./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:11:52,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:11:52,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:11:52,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:11:52,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:11:52,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:11:52,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:11:52,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:11:52,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:11:52,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:11:52,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:11:52,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:11:52,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:11:52,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:11:52,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:11:52,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:11:52,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:11:52,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:11:52,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:11:52,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:11:52,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:11:52,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:11:52,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:11:52,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:11:52,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:11:52,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:11:52,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:11:52,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:11:52,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:11:52,301 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-11-13 16:11:52,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:11:52,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:11:52,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:11:52,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:11:52,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:11:52,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i Unable to find full path for "g++" [2024-11-13 16:11:54,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:11:54,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:11:54,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-13 16:11:54,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/8c48490ab/1879499b63d444d6bfe032b3b550ba43/FLAG4ee89215f [2024-11-13 16:11:54,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/8c48490ab/1879499b63d444d6bfe032b3b550ba43 [2024-11-13 16:11:54,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:11:54,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:11:54,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:11:54,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:11:54,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:11:54,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:11:54" (1/1) ... [2024-11-13 16:11:54,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337c6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:54, skipping insertion in model container [2024-11-13 16:11:54,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:11:54" (1/1) ... [2024-11-13 16:11:54,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:11:55,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-13 16:11:55,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:11:55,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:11:55,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-13 16:11:55,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:11:55,335 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:11:55,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55 WrapperNode [2024-11-13 16:11:55,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:11:55,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:11:55,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:11:55,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:11:55,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,416 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 673 [2024-11-13 16:11:55,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:11:55,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:11:55,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:11:55,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:11:55,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,463 INFO L175 MemorySlicer]: Split 166 memory accesses to 5 slices as follows [2, 34, 18, 19, 93]. 56 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 2, 2, 4]. The 17 writes are split as follows [0, 6, 2, 2, 7]. [2024-11-13 16:11:55,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:11:55,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:11:55,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:11:55,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:11:55,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (1/1) ... [2024-11-13 16:11:55,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:11:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:11:55,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:11:55,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:11:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:11:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 16:11:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 16:11:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:11:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:11:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:11:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:11:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:11:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:11:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 16:11:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 16:11:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:11:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:11:55,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:11:55,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:11:56,689 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-11-13 16:11:56,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:11:56,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:11:56,704 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:11:56,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:56 BoogieIcfgContainer [2024-11-13 16:11:56,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:11:56,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:11:56,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:11:56,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:11:56,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:11:54" (1/3) ... [2024-11-13 16:11:56,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4825b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:11:56, skipping insertion in model container [2024-11-13 16:11:56,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:55" (2/3) ... [2024-11-13 16:11:56,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4825b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:11:56, skipping insertion in model container [2024-11-13 16:11:56,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:56" (3/3) ... [2024-11-13 16:11:56,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-13 16:11:56,756 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:11:56,758 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-49.i that has 2 procedures, 136 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:11:56,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:11:56,850 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f8c8085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:11:56,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:11:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 16:11:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 16:11:56,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:56,873 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:11:56,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:56,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:56,880 INFO L85 PathProgramCache]: Analyzing trace with hash -2133750959, now seen corresponding path program 1 times [2024-11-13 16:11:56,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:56,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573599445] [2024-11-13 16:11:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:11:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:11:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:11:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:11:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:11:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:11:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:11:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:11:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:11:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:11:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:11:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:11:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:11:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:11:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:11:57,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:57,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573599445] [2024-11-13 16:11:57,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573599445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:57,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:57,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:57,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772007886] [2024-11-13 16:11:57,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:57,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:11:57,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:11:57,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:11:57,435 INFO L87 Difference]: Start difference. First operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:11:57,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:57,468 INFO L93 Difference]: Finished difference Result 265 states and 414 transitions. [2024-11-13 16:11:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:11:57,472 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-13 16:11:57,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:57,484 INFO L225 Difference]: With dead ends: 265 [2024-11-13 16:11:57,484 INFO L226 Difference]: Without dead ends: 132 [2024-11-13 16:11:57,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:11:57,494 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:57,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:11:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-13 16:11:57,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-13 16:11:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4482758620689655) internal successors, (168), 116 states have internal predecessors, (168), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 16:11:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 196 transitions. [2024-11-13 16:11:57,567 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 196 transitions. Word has length 117 [2024-11-13 16:11:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:57,567 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 196 transitions. [2024-11-13 16:11:57,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:11:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 196 transitions. [2024-11-13 16:11:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 16:11:57,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:57,574 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:11:57,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:11:57,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:57,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash 147194105, now seen corresponding path program 1 times [2024-11-13 16:11:57,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:57,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316376701] [2024-11-13 16:11:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:11:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:11:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:11:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:11:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:11:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:11:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:11:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:11:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:11:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:11:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:11:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:11:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:11:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:11:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:11:58,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:58,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316376701] [2024-11-13 16:11:58,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316376701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:58,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:58,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:11:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043736786] [2024-11-13 16:11:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:58,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:11:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:58,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:11:58,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:11:58,733 INFO L87 Difference]: Start difference. First operand 132 states and 196 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:11:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:59,156 INFO L93 Difference]: Finished difference Result 345 states and 511 transitions. [2024-11-13 16:11:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:11:59,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-11-13 16:11:59,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:59,159 INFO L225 Difference]: With dead ends: 345 [2024-11-13 16:11:59,160 INFO L226 Difference]: Without dead ends: 216 [2024-11-13 16:11:59,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:11:59,164 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 119 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:59,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 759 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:11:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-13 16:11:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2024-11-13 16:11:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 188 states have (on average 1.4414893617021276) internal successors, (271), 189 states have internal predecessors, (271), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:11:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 315 transitions. [2024-11-13 16:11:59,203 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 315 transitions. Word has length 117 [2024-11-13 16:11:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:59,206 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 315 transitions. [2024-11-13 16:11:59,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:11:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 315 transitions. [2024-11-13 16:11:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:11:59,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:59,208 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:11:59,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:11:59,209 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:59,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 391456308, now seen corresponding path program 1 times [2024-11-13 16:11:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346022639] [2024-11-13 16:11:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:12:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:12:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:12:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:12:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:12:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:12:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:12:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:12:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:12:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:12:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:12:00,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:00,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346022639] [2024-11-13 16:12:00,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346022639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:00,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:00,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:12:00,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318727512] [2024-11-13 16:12:00,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:00,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:12:00,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:00,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:12:00,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:12:00,442 INFO L87 Difference]: Start difference. First operand 213 states and 315 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:12:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:00,889 INFO L93 Difference]: Finished difference Result 612 states and 907 transitions. [2024-11-13 16:12:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:12:00,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-11-13 16:12:00,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:00,896 INFO L225 Difference]: With dead ends: 612 [2024-11-13 16:12:00,896 INFO L226 Difference]: Without dead ends: 402 [2024-11-13 16:12:00,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:12:00,902 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 451 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:00,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 916 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:12:00,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-13 16:12:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2024-11-13 16:12:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 359 states have (on average 1.4540389972144847) internal successors, (522), 362 states have internal predecessors, (522), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 590 transitions. [2024-11-13 16:12:00,973 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 590 transitions. Word has length 119 [2024-11-13 16:12:00,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:00,973 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 590 transitions. [2024-11-13 16:12:00,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:12:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 590 transitions. [2024-11-13 16:12:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:12:00,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:00,980 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:00,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:12:00,981 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:00,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1570702, now seen corresponding path program 1 times [2024-11-13 16:12:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:00,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006388625] [2024-11-13 16:12:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:12:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:12:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:12:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:12:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:12:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:12:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:12:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:12:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:12:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:12:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:12:03,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:03,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006388625] [2024-11-13 16:12:03,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006388625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:03,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:03,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 16:12:03,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391412041] [2024-11-13 16:12:03,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:03,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:12:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:03,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:12:03,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:12:03,928 INFO L87 Difference]: Start difference. First operand 398 states and 590 transitions. Second operand has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 16:12:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:05,534 INFO L93 Difference]: Finished difference Result 983 states and 1454 transitions. [2024-11-13 16:12:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:12:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 119 [2024-11-13 16:12:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:05,541 INFO L225 Difference]: With dead ends: 983 [2024-11-13 16:12:05,541 INFO L226 Difference]: Without dead ends: 588 [2024-11-13 16:12:05,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2024-11-13 16:12:05,543 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1280 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:05,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 2155 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:12:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-13 16:12:05,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 482. [2024-11-13 16:12:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 443 states have (on average 1.4695259593679457) internal successors, (651), 446 states have internal predecessors, (651), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 719 transitions. [2024-11-13 16:12:05,605 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 719 transitions. Word has length 119 [2024-11-13 16:12:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:05,606 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 719 transitions. [2024-11-13 16:12:05,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 16:12:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 719 transitions. [2024-11-13 16:12:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:12:05,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:05,609 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:05,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:12:05,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:05,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1143428147, now seen corresponding path program 1 times [2024-11-13 16:12:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255753723] [2024-11-13 16:12:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:12:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:12:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:12:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:12:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:12:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:12:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:12:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:12:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:12:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:12:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:12:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:06,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255753723] [2024-11-13 16:12:06,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255753723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:06,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794106599] [2024-11-13 16:12:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:06,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:06,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:12:06,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:12:06,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:12:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:07,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:12:07,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:07,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:12:07,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:12:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:12:09,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:09,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 16:12:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:12:09,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:09,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794106599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:09,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:12:09,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2024-11-13 16:12:09,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003319477] [2024-11-13 16:12:09,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:12:09,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:12:09,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:12:09,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:12:09,540 INFO L87 Difference]: Start difference. First operand 482 states and 719 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:12:10,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:10,505 INFO L93 Difference]: Finished difference Result 995 states and 1465 transitions. [2024-11-13 16:12:10,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:12:10,505 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 119 [2024-11-13 16:12:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:10,509 INFO L225 Difference]: With dead ends: 995 [2024-11-13 16:12:10,511 INFO L226 Difference]: Without dead ends: 516 [2024-11-13 16:12:10,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 164 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:12:10,513 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 382 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:10,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 1440 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:12:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-13 16:12:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 498. [2024-11-13 16:12:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 455 states have (on average 1.4505494505494505) internal successors, (660), 458 states have internal predecessors, (660), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 728 transitions. [2024-11-13 16:12:10,568 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 728 transitions. Word has length 119 [2024-11-13 16:12:10,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:10,569 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 728 transitions. [2024-11-13 16:12:10,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:12:10,569 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 728 transitions. [2024-11-13 16:12:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:12:10,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:10,571 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:10,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:12:10,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:10,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:10,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:10,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1266681701, now seen corresponding path program 1 times [2024-11-13 16:12:10,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:10,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405613147] [2024-11-13 16:12:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:12:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:12:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:12:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:12:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:12:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:12:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:12:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:12:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:12:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:12:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:12:11,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:11,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405613147] [2024-11-13 16:12:12,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405613147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071406776] [2024-11-13 16:12:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:12,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:12,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:12:12,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:12:12,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:12:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:12,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:12:12,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:12,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:12:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:12:14,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:14,200 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 16:12:14,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2024-11-13 16:12:14,321 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 16:12:14,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 16:12:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:12:14,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071406776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:14,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:12:14,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2024-11-13 16:12:14,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835313264] [2024-11-13 16:12:14,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:12:14,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:12:14,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:14,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:12:14,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:12:14,580 INFO L87 Difference]: Start difference. First operand 498 states and 728 transitions. Second operand has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:12:15,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:15,703 INFO L93 Difference]: Finished difference Result 1393 states and 2017 transitions. [2024-11-13 16:12:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:12:15,704 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 121 [2024-11-13 16:12:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:15,711 INFO L225 Difference]: With dead ends: 1393 [2024-11-13 16:12:15,711 INFO L226 Difference]: Without dead ends: 898 [2024-11-13 16:12:15,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 165 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2024-11-13 16:12:15,719 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1112 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:15,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1360 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:12:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-13 16:12:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 526. [2024-11-13 16:12:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 479 states have (on average 1.4405010438413361) internal successors, (690), 482 states have internal predecessors, (690), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 758 transitions. [2024-11-13 16:12:15,803 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 758 transitions. Word has length 121 [2024-11-13 16:12:15,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:15,804 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 758 transitions. [2024-11-13 16:12:15,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:12:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 758 transitions. [2024-11-13 16:12:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:12:15,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:15,818 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:15,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:12:16,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:16,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:16,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash 679875687, now seen corresponding path program 1 times [2024-11-13 16:12:16,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:16,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960153488] [2024-11-13 16:12:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:12:16,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:12:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:12:16,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:12:16,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:12:16,231 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:12:16,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:12:16,237 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:16,425 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:12:16,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:12:16 BoogieIcfgContainer [2024-11-13 16:12:16,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:12:16,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:12:16,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:12:16,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:12:16,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:56" (3/4) ... [2024-11-13 16:12:16,434 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:12:16,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:12:16,436 INFO L158 Benchmark]: Toolchain (without parser) took 21513.53ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 117.3MB in the beginning and 239.0MB in the end (delta: -121.7MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-11-13 16:12:16,436 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:12:16,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.79ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 100.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:12:16,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.83ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:12:16,438 INFO L158 Benchmark]: Boogie Preprocessor took 101.00ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 90.6MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:12:16,438 INFO L158 Benchmark]: RCFGBuilder took 1185.71ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 46.0MB in the end (delta: 44.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:12:16,438 INFO L158 Benchmark]: TraceAbstraction took 19701.72ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 112.9MB in the beginning and 239.0MB in the end (delta: -126.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-13 16:12:16,439 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 335.5MB. Free memory was 239.0MB in the beginning and 239.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:12:16,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.79ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 100.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.83ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.00ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 90.6MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1185.71ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 46.0MB in the end (delta: 44.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19701.72ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 112.9MB in the beginning and 239.0MB in the end (delta: -126.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 335.5MB. Free memory was 239.0MB in the beginning and 239.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0][0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1][0]); [L27] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer = &(BOOL_unsigned_char_Array_0[0][1]); [L28] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer = &(BOOL_unsigned_char_Array_0[1][1]); [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L32] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L33] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L37] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L38] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L42] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer = &(unsigned_short_int_Array_0[0][0]); [L43] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer = &(unsigned_short_int_Array_0[1][0]); [L44] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer = &(unsigned_short_int_Array_0[0][1]); [L45] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer = &(unsigned_short_int_Array_0[1][1]); VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=0, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L77] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L80] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L83] float_Array_0[0] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L85] float_Array_0[1] = __VERIFIER_nondet_float() [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L87] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L90] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L93] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L94] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L94] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L94] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L96] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L97] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L111] RET updateVariables() [L112] CALL step() [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L49] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) = (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))) [L50] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] EXPR 50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] COND FALSE !((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L53] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L53] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) = (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))) [L55] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L55] COND TRUE ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L56] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L56] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L56] COND FALSE !((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) [L59] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L59] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) = (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) [L62] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L62] COND TRUE (*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f [L63] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L63] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L63] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) [L66] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L66] COND FALSE !((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) [L69] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L69] (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) = (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) [L103] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103-L104] return (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3344 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3344 mSDsluCounter, 6826 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5668 mSDsCounter, 288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1740 IncrementalHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 288 mSolverCounterUnsat, 1158 mSDtfsCounter, 1740 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 466 SyntacticMatches, 6 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=526occurred in iteration=6, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 503 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 944 ConstructedInterpolants, 3 QuantifiedInterpolants, 7863 SizeOfPredicates, 19 NumberOfNonLiveVariables, 905 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 2588/2912 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:12:16,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:12:19,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:12:19,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:12:19,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:12:19,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:12:19,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:12:19,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:12:19,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:12:19,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:12:19,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:12:19,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:12:19,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:12:19,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:12:19,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:12:19,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:12:19,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:12:19,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:12:19,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:12:19,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:12:19,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:12:19,512 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-11-13 16:12:19,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:12:19,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:12:19,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:12:19,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:12:19,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:12:19,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i Unable to find full path for "g++" [2024-11-13 16:12:22,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:12:22,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:12:22,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-13 16:12:22,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/5b0bce3cd/40a30fa0a2e845f4ad09f0aaf4a61ee0/FLAGf2abdc451 [2024-11-13 16:12:22,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/data/5b0bce3cd/40a30fa0a2e845f4ad09f0aaf4a61ee0 [2024-11-13 16:12:22,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:12:22,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:12:22,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:12:22,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:12:22,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:12:22,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:12:22" (1/1) ... [2024-11-13 16:12:22,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395acdad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:22, skipping insertion in model container [2024-11-13 16:12:22,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:12:22" (1/1) ... [2024-11-13 16:12:22,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:12:22,786 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-13 16:12:22,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:12:22,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:12:22,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-13 16:12:23,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:12:23,060 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:12:23,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23 WrapperNode [2024-11-13 16:12:23,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:12:23,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:12:23,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:12:23,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:12:23,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,170 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 658 [2024-11-13 16:12:23,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:12:23,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:12:23,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:12:23,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:12:23,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,248 INFO L175 MemorySlicer]: Split 166 memory accesses to 5 slices as follows [2, 34, 18, 19, 93]. 56 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 2, 2, 4]. The 17 writes are split as follows [0, 6, 2, 2, 7]. [2024-11-13 16:12:23,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:12:23,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:12:23,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:12:23,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:12:23,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (1/1) ... [2024-11-13 16:12:23,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:12:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:12:23,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:12:23,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-13 16:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 16:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-13 16:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 16:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:12:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:12:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-13 16:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-13 16:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-13 16:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-13 16:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-13 16:12:23,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:12:23,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:12:24,637 INFO L? ?]: Removed 212 outVars from TransFormulas that were not future-live. [2024-11-13 16:12:24,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:12:24,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:12:24,655 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:12:24,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:12:24 BoogieIcfgContainer [2024-11-13 16:12:24,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:12:24,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:12:24,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:12:24,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:12:24,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:12:22" (1/3) ... [2024-11-13 16:12:24,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c66f73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:12:24, skipping insertion in model container [2024-11-13 16:12:24,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:12:23" (2/3) ... [2024-11-13 16:12:24,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c66f73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:12:24, skipping insertion in model container [2024-11-13 16:12:24,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:12:24" (3/3) ... [2024-11-13 16:12:24,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-13 16:12:24,690 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:12:24,691 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-49.i that has 2 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:12:24,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:12:24,783 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fcc46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:12:24,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:12:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 16:12:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 16:12:24,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:24,812 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:24,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:24,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash -553224410, now seen corresponding path program 1 times [2024-11-13 16:12:24,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:24,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390677024] [2024-11-13 16:12:24,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:24,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:24,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:24,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:24,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 16:12:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:25,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:12:25,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-13 16:12:25,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:12:25,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:25,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390677024] [2024-11-13 16:12:25,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390677024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:25,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:25,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:12:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489585667] [2024-11-13 16:12:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:25,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:12:25,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:25,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:12:25,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:12:25,454 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:12:25,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:25,491 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2024-11-13 16:12:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:12:25,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-13 16:12:25,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:25,500 INFO L225 Difference]: With dead ends: 253 [2024-11-13 16:12:25,501 INFO L226 Difference]: Without dead ends: 126 [2024-11-13 16:12:25,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:12:25,508 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:25,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:12:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-13 16:12:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-13 16:12:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 16:12:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2024-11-13 16:12:25,559 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2024-11-13 16:12:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:25,560 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2024-11-13 16:12:25,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:12:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2024-11-13 16:12:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 16:12:25,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:25,564 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:25,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:12:25,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:25,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:25,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1768699598, now seen corresponding path program 1 times [2024-11-13 16:12:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:25,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609307333] [2024-11-13 16:12:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:25,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:25,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:25,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:25,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 16:12:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:26,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:12:26,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:26,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:12:26,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-13 16:12:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:12:26,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:12:26,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:26,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609307333] [2024-11-13 16:12:26,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609307333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:26,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:26,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:12:26,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298443010] [2024-11-13 16:12:26,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:26,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:12:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:12:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:12:26,501 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:27,070 INFO L93 Difference]: Finished difference Result 330 states and 491 transitions. [2024-11-13 16:12:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:12:27,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-11-13 16:12:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:27,074 INFO L225 Difference]: With dead ends: 330 [2024-11-13 16:12:27,075 INFO L226 Difference]: Without dead ends: 207 [2024-11-13 16:12:27,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:12:27,077 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 115 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:27,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 727 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:12:27,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-13 16:12:27,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2024-11-13 16:12:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 179 states have (on average 1.446927374301676) internal successors, (259), 180 states have internal predecessors, (259), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:12:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 303 transitions. [2024-11-13 16:12:27,106 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 303 transitions. Word has length 115 [2024-11-13 16:12:27,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:27,107 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 303 transitions. [2024-11-13 16:12:27,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2024-11-13 16:12:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 16:12:27,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:27,110 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:27,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 16:12:27,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:27,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:27,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash -932046903, now seen corresponding path program 1 times [2024-11-13 16:12:27,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:27,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659865840] [2024-11-13 16:12:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:27,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:27,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:27,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:27,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 16:12:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:27,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:12:27,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:28,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 16:12:28,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:30,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:30,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 16:12:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:12:30,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:30,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:30,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659865840] [2024-11-13 16:12:30,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659865840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:30,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295927552] [2024-11-13 16:12:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:30,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:30,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:12:30,889 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:12:30,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:12:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:31,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:12:31,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:32,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-13 16:12:32,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 16:12:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:12:35,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:12:35,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295927552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:35,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:12:35,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-13 16:12:35,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864997433] [2024-11-13 16:12:35,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:35,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:12:35,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:35,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:12:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:12:35,018 INFO L87 Difference]: Start difference. First operand 204 states and 303 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:38,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:12:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:38,923 INFO L93 Difference]: Finished difference Result 585 states and 871 transitions. [2024-11-13 16:12:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:12:38,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-11-13 16:12:38,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:38,932 INFO L225 Difference]: With dead ends: 585 [2024-11-13 16:12:38,933 INFO L226 Difference]: Without dead ends: 384 [2024-11-13 16:12:38,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:12:38,939 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 403 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:38,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 885 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-13 16:12:38,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-13 16:12:39,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 380. [2024-11-13 16:12:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 341 states have (on average 1.4604105571847508) internal successors, (498), 344 states have internal predecessors, (498), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 566 transitions. [2024-11-13 16:12:39,014 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 566 transitions. Word has length 117 [2024-11-13 16:12:39,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:39,015 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 566 transitions. [2024-11-13 16:12:39,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 566 transitions. [2024-11-13 16:12:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 16:12:39,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:39,018 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:39,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 16:12:39,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 16:12:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:39,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1325073913, now seen corresponding path program 1 times [2024-11-13 16:12:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:39,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974734570] [2024-11-13 16:12:39,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:39,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:39,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 16:12:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:39,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:12:39,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 16:12:40,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:42,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:12:42,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 16:12:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:12:42,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:42,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:42,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974734570] [2024-11-13 16:12:42,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974734570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:42,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181445411] [2024-11-13 16:12:42,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:42,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:42,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:12:42,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:12:42,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:12:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:42,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:12:42,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:42,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:12:43,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:12:44,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:12:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:12:44,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:44,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181445411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:44,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:12:44,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-13 16:12:44,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297433764] [2024-11-13 16:12:44,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:12:44,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:12:44,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:44,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:12:44,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:12:44,364 INFO L87 Difference]: Start difference. First operand 380 states and 566 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:12:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:45,330 INFO L93 Difference]: Finished difference Result 791 states and 1159 transitions. [2024-11-13 16:12:45,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:12:45,332 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 117 [2024-11-13 16:12:45,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:45,336 INFO L225 Difference]: With dead ends: 791 [2024-11-13 16:12:45,336 INFO L226 Difference]: Without dead ends: 414 [2024-11-13 16:12:45,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-13 16:12:45,338 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 168 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:45,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1172 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:12:45,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-13 16:12:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 396. [2024-11-13 16:12:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 353 states have (on average 1.4390934844192635) internal successors, (508), 356 states have internal predecessors, (508), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 576 transitions. [2024-11-13 16:12:45,386 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 576 transitions. Word has length 117 [2024-11-13 16:12:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 576 transitions. [2024-11-13 16:12:45,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:12:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 576 transitions. [2024-11-13 16:12:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:12:45,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:45,389 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:45,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:12:45,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 16:12:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:12:45,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:45,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash -985703135, now seen corresponding path program 1 times [2024-11-13 16:12:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:45,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585618135] [2024-11-13 16:12:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:45,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-13 16:12:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:46,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 16:12:46,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:47,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-13 16:12:47,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:12:47,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 32 [2024-11-13 16:12:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:12:48,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:12:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:12:48,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:48,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585618135] [2024-11-13 16:12:48,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585618135] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:12:48,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:12:48,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 17 [2024-11-13 16:12:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826138525] [2024-11-13 16:12:48,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:48,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:12:48,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:48,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:12:48,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-13 16:12:48,648 INFO L87 Difference]: Start difference. First operand 396 states and 576 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:49,385 INFO L93 Difference]: Finished difference Result 977 states and 1420 transitions. [2024-11-13 16:12:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:12:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-13 16:12:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:49,395 INFO L225 Difference]: With dead ends: 977 [2024-11-13 16:12:49,396 INFO L226 Difference]: Without dead ends: 584 [2024-11-13 16:12:49,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:12:49,399 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 143 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:49,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1561 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:12:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-13 16:12:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 480. [2024-11-13 16:12:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 437 states have (on average 1.4553775743707094) internal successors, (636), 440 states have internal predecessors, (636), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 16:12:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 704 transitions. [2024-11-13 16:12:49,465 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 704 transitions. Word has length 119 [2024-11-13 16:12:49,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:49,466 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 704 transitions. [2024-11-13 16:12:49,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:12:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 704 transitions. [2024-11-13 16:12:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:12:49,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:49,468 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:49,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-13 16:12:49,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:49,669 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:49,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2127560580, now seen corresponding path program 1 times [2024-11-13 16:12:49,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:49,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154230225] [2024-11-13 16:12:49,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:12:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:49,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:12:49,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-13 16:12:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:50,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:12:50,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:51,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-13 16:12:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 16:12:51,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:13:00,336 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-13 16:13:00,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-11-13 16:13:04,528 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:13:04,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154230225] [2024-11-13 16:13:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154230225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:13:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854096190] [2024-11-13 16:13:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:13:04,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:13:04,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:13:04,531 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:13:04,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 16:13:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:04,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:13:04,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:13:06,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:13:06,482 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-13 16:13:06,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-13 16:13:06,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 16:13:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:13:06,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:13:07,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854096190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:13:07,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:13:07,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2024-11-13 16:13:07,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009022045] [2024-11-13 16:13:07,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:13:07,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 16:13:07,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:13:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 16:13:07,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=572, Unknown=3, NotChecked=0, Total=650 [2024-11-13 16:13:07,044 INFO L87 Difference]: Start difference. First operand 480 states and 704 transitions. Second operand has 17 states, 16 states have (on average 6.3125) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:14:13,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:13,932 INFO L93 Difference]: Finished difference Result 1774 states and 2550 transitions. [2024-11-13 16:14:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 16:14:13,934 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.3125) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 119 [2024-11-13 16:14:13,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:13,941 INFO L225 Difference]: With dead ends: 1774 [2024-11-13 16:14:13,941 INFO L226 Difference]: Without dead ends: 1297 [2024-11-13 16:14:13,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 74.9s TimeCoverageRelationStatistics Valid=523, Invalid=2430, Unknown=17, NotChecked=0, Total=2970 [2024-11-13 16:14:13,944 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 1580 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:13,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 1560 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-13 16:14:13,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2024-11-13 16:14:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 763. [2024-11-13 16:14:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 684 states have (on average 1.4239766081871346) internal successors, (974), 692 states have internal predecessors, (974), 58 states have call successors, (58), 20 states have call predecessors, (58), 20 states have return successors, (58), 50 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-13 16:14:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1090 transitions. [2024-11-13 16:14:14,056 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1090 transitions. Word has length 119 [2024-11-13 16:14:14,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:14,057 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1090 transitions. [2024-11-13 16:14:14,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.3125) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:14:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1090 transitions. [2024-11-13 16:14:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:14:14,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:14,060 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:14,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 16:14:14,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-13 16:14:14,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:14,461 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:14,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:14,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1212762209, now seen corresponding path program 1 times [2024-11-13 16:14:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336079006] [2024-11-13 16:14:14,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:14,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-13 16:14:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:14:14,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:15,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:14:16,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-13 16:14:17,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:17,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 38 [2024-11-13 16:14:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:14:17,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:18,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:18,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336079006] [2024-11-13 16:14:18,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336079006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:18,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013322855] [2024-11-13 16:14:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:18,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:18,985 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:18,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 16:14:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:14:19,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:20,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:14:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:14:21,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-13 16:14:22,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:22,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 44 [2024-11-13 16:14:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:14:22,522 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:14:23,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013322855] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:23,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:14:23,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 13] total 30 [2024-11-13 16:14:23,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436912188] [2024-11-13 16:14:23,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:23,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:14:23,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:23,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:14:23,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1173, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 16:14:23,485 INFO L87 Difference]: Start difference. First operand 763 states and 1090 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:25,164 INFO L93 Difference]: Finished difference Result 2558 states and 3616 transitions. [2024-11-13 16:14:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:14:25,167 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-13 16:14:25,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:25,177 INFO L225 Difference]: With dead ends: 2558 [2024-11-13 16:14:25,178 INFO L226 Difference]: Without dead ends: 1798 [2024-11-13 16:14:25,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=290, Invalid=1516, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 16:14:25,181 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 680 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:25,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1709 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:14:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-13 16:14:25,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 991. [2024-11-13 16:14:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 912 states have (on average 1.4605263157894737) internal successors, (1332), 920 states have internal predecessors, (1332), 58 states have call successors, (58), 20 states have call predecessors, (58), 20 states have return successors, (58), 50 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-13 16:14:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1448 transitions. [2024-11-13 16:14:25,329 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1448 transitions. Word has length 119 [2024-11-13 16:14:25,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:25,330 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1448 transitions. [2024-11-13 16:14:25,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1448 transitions. [2024-11-13 16:14:25,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:14:25,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:25,334 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:25,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 16:14:25,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:25,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:25,735 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:25,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash 819735199, now seen corresponding path program 1 times [2024-11-13 16:14:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:25,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247847960] [2024-11-13 16:14:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:25,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:25,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:25,738 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:25,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-13 16:14:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:26,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:14:26,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:27,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:14:27,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 16:14:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:14:27,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:27,128 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:27,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247847960] [2024-11-13 16:14:27,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247847960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:27,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:27,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:14:27,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370979023] [2024-11-13 16:14:27,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:27,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:14:27,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:27,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:14:27,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:14:27,130 INFO L87 Difference]: Start difference. First operand 991 states and 1448 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:27,653 INFO L93 Difference]: Finished difference Result 2178 states and 3140 transitions. [2024-11-13 16:14:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:14:27,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-13 16:14:27,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:27,662 INFO L225 Difference]: With dead ends: 2178 [2024-11-13 16:14:27,662 INFO L226 Difference]: Without dead ends: 1190 [2024-11-13 16:14:27,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:14:27,665 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 418 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:27,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 898 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:14:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-13 16:14:27,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 728. [2024-11-13 16:14:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 674 states have (on average 1.454005934718101) internal successors, (980), 677 states have internal predecessors, (980), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1058 transitions. [2024-11-13 16:14:27,781 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1058 transitions. Word has length 119 [2024-11-13 16:14:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:27,782 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 1058 transitions. [2024-11-13 16:14:27,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1058 transitions. [2024-11-13 16:14:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:14:27,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:27,785 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:27,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:27,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:27,986 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:27,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:27,987 INFO L85 PathProgramCache]: Analyzing trace with hash -781382497, now seen corresponding path program 1 times [2024-11-13 16:14:27,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:27,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446844209] [2024-11-13 16:14:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:27,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:27,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-13 16:14:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:28,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:14:28,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:29,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-13 16:14:30,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:30,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 35 [2024-11-13 16:14:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:14:30,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:31,823 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446844209] [2024-11-13 16:14:31,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446844209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900585670] [2024-11-13 16:14:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:31,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:31,826 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:31,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 16:14:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:32,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:14:32,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:14:33,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-13 16:14:33,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:33,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 40 [2024-11-13 16:14:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:14:34,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900585670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:34,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:14:34,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 21 [2024-11-13 16:14:34,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074919593] [2024-11-13 16:14:34,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:34,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:14:34,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:34,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:14:34,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2024-11-13 16:14:34,148 INFO L87 Difference]: Start difference. First operand 728 states and 1058 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:37,513 INFO L93 Difference]: Finished difference Result 2024 states and 2904 transitions. [2024-11-13 16:14:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:14:37,514 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-13 16:14:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:37,519 INFO L225 Difference]: With dead ends: 2024 [2024-11-13 16:14:37,519 INFO L226 Difference]: Without dead ends: 1299 [2024-11-13 16:14:37,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 16:14:37,522 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 412 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 3819 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:37,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 3819 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 16:14:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-11-13 16:14:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 730. [2024-11-13 16:14:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 676 states have (on average 1.455621301775148) internal successors, (984), 679 states have internal predecessors, (984), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1062 transitions. [2024-11-13 16:14:37,638 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1062 transitions. Word has length 119 [2024-11-13 16:14:37,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:37,638 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1062 transitions. [2024-11-13 16:14:37,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1062 transitions. [2024-11-13 16:14:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 16:14:37,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:37,642 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:37,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 16:14:37,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-13 16:14:38,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:38,043 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:38,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash 522762624, now seen corresponding path program 1 times [2024-11-13 16:14:38,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:38,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602991082] [2024-11-13 16:14:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:38,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:38,046 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:38,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-13 16:14:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:38,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:14:38,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 16:14:38,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:38,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:38,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602991082] [2024-11-13 16:14:38,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602991082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:38,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:38,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:14:38,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046563201] [2024-11-13 16:14:38,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:38,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:14:38,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:38,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:14:38,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:14:38,381 INFO L87 Difference]: Start difference. First operand 730 states and 1062 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:14:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:38,493 INFO L93 Difference]: Finished difference Result 1457 states and 2121 transitions. [2024-11-13 16:14:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:14:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-11-13 16:14:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:38,496 INFO L225 Difference]: With dead ends: 1457 [2024-11-13 16:14:38,496 INFO L226 Difference]: Without dead ends: 730 [2024-11-13 16:14:38,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:14:38,498 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:38,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 547 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:14:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-13 16:14:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 730. [2024-11-13 16:14:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 676 states have (on average 1.452662721893491) internal successors, (982), 679 states have internal predecessors, (982), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1060 transitions. [2024-11-13 16:14:38,604 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1060 transitions. Word has length 119 [2024-11-13 16:14:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:38,605 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1060 transitions. [2024-11-13 16:14:38,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:14:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1060 transitions. [2024-11-13 16:14:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:14:38,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:38,608 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:38,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-13 16:14:38,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:38,809 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:38,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:38,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1494145564, now seen corresponding path program 1 times [2024-11-13 16:14:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:38,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830773918] [2024-11-13 16:14:38,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:38,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:38,812 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:38,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-13 16:14:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:39,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:14:39,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:39,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-13 16:14:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 16:14:40,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:14:40,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830773918] [2024-11-13 16:14:40,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830773918] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:40,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:14:40,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-13 16:14:40,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41185528] [2024-11-13 16:14:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:40,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:40,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:40,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:14:40,201 INFO L87 Difference]: Start difference. First operand 730 states and 1060 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:40,498 INFO L93 Difference]: Finished difference Result 1459 states and 2118 transitions. [2024-11-13 16:14:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:40,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-13 16:14:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:40,502 INFO L225 Difference]: With dead ends: 1459 [2024-11-13 16:14:40,503 INFO L226 Difference]: Without dead ends: 732 [2024-11-13 16:14:40,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:14:40,505 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 222 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:40,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 618 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:14:40,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-13 16:14:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 730. [2024-11-13 16:14:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 676 states have (on average 1.4467455621301775) internal successors, (978), 679 states have internal predecessors, (978), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1056 transitions. [2024-11-13 16:14:40,608 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1056 transitions. Word has length 121 [2024-11-13 16:14:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:40,609 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1056 transitions. [2024-11-13 16:14:40,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1056 transitions. [2024-11-13 16:14:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:14:40,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:40,612 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:40,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-13 16:14:40,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:40,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:40,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2021223940, now seen corresponding path program 1 times [2024-11-13 16:14:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:40,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401229311] [2024-11-13 16:14:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:40,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:40,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:40,818 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-13 16:14:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:41,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:14:41,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:41,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-13 16:14:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:14:41,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:41,881 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-13 16:14:41,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 21 [2024-11-13 16:14:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:14:41,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:41,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401229311] [2024-11-13 16:14:41,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401229311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:14:41,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:14:41,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-13 16:14:41,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149504920] [2024-11-13 16:14:41,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:42,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:14:42,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:14:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:14:42,001 INFO L87 Difference]: Start difference. First operand 730 states and 1056 transitions. Second operand has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-13 16:14:42,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:42,953 INFO L93 Difference]: Finished difference Result 1485 states and 2138 transitions. [2024-11-13 16:14:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:14:42,954 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 121 [2024-11-13 16:14:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:42,957 INFO L225 Difference]: With dead ends: 1485 [2024-11-13 16:14:42,957 INFO L226 Difference]: Without dead ends: 758 [2024-11-13 16:14:42,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:14:42,959 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 202 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:42,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 818 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:14:42,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-13 16:14:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 730. [2024-11-13 16:14:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 676 states have (on average 1.4408284023668638) internal successors, (974), 679 states have internal predecessors, (974), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1052 transitions. [2024-11-13 16:14:43,058 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1052 transitions. Word has length 121 [2024-11-13 16:14:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:43,058 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1052 transitions. [2024-11-13 16:14:43,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-13 16:14:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1052 transitions. [2024-11-13 16:14:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:14:43,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:43,061 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:43,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-13 16:14:43,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:43,262 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:43,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1802369222, now seen corresponding path program 1 times [2024-11-13 16:14:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:43,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927456726] [2024-11-13 16:14:43,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:43,266 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:43,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-13 16:14:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:43,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:14:43,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:45,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-13 16:14:45,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:45,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23 [2024-11-13 16:14:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:14:45,522 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:14:45,827 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927456726] [2024-11-13 16:14:45,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927456726] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:45,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:14:45,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2024-11-13 16:14:45,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407714253] [2024-11-13 16:14:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:45,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:14:45,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:45,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:14:45,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:14:45,829 INFO L87 Difference]: Start difference. First operand 730 states and 1052 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:46,412 INFO L93 Difference]: Finished difference Result 1646 states and 2343 transitions. [2024-11-13 16:14:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:14:46,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-13 16:14:46,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:46,418 INFO L225 Difference]: With dead ends: 1646 [2024-11-13 16:14:46,418 INFO L226 Difference]: Without dead ends: 919 [2024-11-13 16:14:46,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:14:46,420 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 144 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:46,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1398 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:14:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-11-13 16:14:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 613. [2024-11-13 16:14:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 559 states have (on average 1.4221824686940967) internal successors, (795), 562 states have internal predecessors, (795), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:14:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 873 transitions. [2024-11-13 16:14:46,529 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 873 transitions. Word has length 121 [2024-11-13 16:14:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:46,530 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 873 transitions. [2024-11-13 16:14:46,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:14:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 873 transitions. [2024-11-13 16:14:46,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:14:46,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:46,533 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:46,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:46,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:46,734 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:46,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash 964954427, now seen corresponding path program 1 times [2024-11-13 16:14:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775933178] [2024-11-13 16:14:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:46,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:14:46,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:46,739 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:14:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-13 16:14:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:47,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:14:47,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:48,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-13 16:14:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 16:14:48,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:57,337 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-13 16:14:57,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-11-13 16:15:01,519 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:15:01,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775933178] [2024-11-13 16:15:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775933178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:15:01,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916341523] [2024-11-13 16:15:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:15:01,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:15:01,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:15:01,521 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:15:01,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 16:15:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:01,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:15:01,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:15:03,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:15:03,770 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-13 16:15:03,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-13 16:15:03,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 16:15:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:15:04,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:15:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916341523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:15:04,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:15:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2024-11-13 16:15:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767308958] [2024-11-13 16:15:04,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:15:04,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 16:15:04,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:15:04,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 16:15:04,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=572, Unknown=3, NotChecked=0, Total=650 [2024-11-13 16:15:04,516 INFO L87 Difference]: Start difference. First operand 613 states and 873 transitions. Second operand has 17 states, 16 states have (on average 6.5625) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:16:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:11,879 INFO L93 Difference]: Finished difference Result 1514 states and 2136 transitions. [2024-11-13 16:16:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 16:16:11,880 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.5625) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 121 [2024-11-13 16:16:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:11,884 INFO L225 Difference]: With dead ends: 1514 [2024-11-13 16:16:11,884 INFO L226 Difference]: Without dead ends: 904 [2024-11-13 16:16:11,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 75.4s TimeCoverageRelationStatistics Valid=523, Invalid=2430, Unknown=17, NotChecked=0, Total=2970 [2024-11-13 16:16:11,887 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 1596 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:11,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 1455 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-13 16:16:11,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-13 16:16:11,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 619. [2024-11-13 16:16:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 565 states have (on average 1.4123893805309735) internal successors, (798), 568 states have internal predecessors, (798), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:16:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 876 transitions. [2024-11-13 16:16:12,003 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 876 transitions. Word has length 121 [2024-11-13 16:16:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:12,003 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 876 transitions. [2024-11-13 16:16:12,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5625) internal successors, (105), 15 states have internal predecessors, (105), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:16:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 876 transitions. [2024-11-13 16:16:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:16:12,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:12,007 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:12,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-13 16:16:12,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-13 16:16:12,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:16:12,408 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:16:12,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash 347011763, now seen corresponding path program 1 times [2024-11-13 16:16:12,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:12,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548033855] [2024-11-13 16:16:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:16:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:16:12,414 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:16:12,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-13 16:16:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:12,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:16:12,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:13,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 16:16:15,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-13 16:16:15,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2024-11-13 16:16:16,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:16,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 97 [2024-11-13 16:16:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:16:16,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:16:25,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:25,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 206413 treesize of output 193410 [2024-11-13 16:16:26,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:26,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 6736 treesize of output 6454 [2024-11-13 16:16:32,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2024-11-13 16:16:32,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2024-11-13 16:16:32,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 144 [2024-11-13 16:16:32,724 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:16:32,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2024-11-13 16:16:32,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 206 [2024-11-13 16:16:33,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:33,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:33,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:33,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:33,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:33,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:33,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 217 [2024-11-13 16:16:33,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 189 [2024-11-13 16:16:33,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:33,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:34,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:34,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:34,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-11-13 16:16:34,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-11-13 16:16:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:16:34,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:34,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548033855] [2024-11-13 16:16:34,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548033855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:16:34,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:16:34,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-13 16:16:34,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201824033] [2024-11-13 16:16:34,512 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:16:34,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:16:34,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:34,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:16:34,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:16:34,514 INFO L87 Difference]: Start difference. First operand 619 states and 876 transitions. Second operand has 21 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:16:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:37,952 INFO L93 Difference]: Finished difference Result 1782 states and 2506 transitions. [2024-11-13 16:16:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 16:16:37,954 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 121 [2024-11-13 16:16:37,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:37,958 INFO L225 Difference]: With dead ends: 1782 [2024-11-13 16:16:37,958 INFO L226 Difference]: Without dead ends: 1166 [2024-11-13 16:16:37,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 216 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=476, Invalid=1416, Unknown=0, NotChecked=0, Total=1892 [2024-11-13 16:16:37,961 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1221 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:37,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1752 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 16:16:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2024-11-13 16:16:38,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 851. [2024-11-13 16:16:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 797 states have (on average 1.4291091593475533) internal successors, (1139), 800 states have internal predecessors, (1139), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:16:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1217 transitions. [2024-11-13 16:16:38,064 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1217 transitions. Word has length 121 [2024-11-13 16:16:38,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:38,065 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1217 transitions. [2024-11-13 16:16:38,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:16:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1217 transitions. [2024-11-13 16:16:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:16:38,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:38,068 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:38,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-13 16:16:38,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:16:38,269 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:16:38,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1549890822, now seen corresponding path program 1 times [2024-11-13 16:16:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:38,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950274091] [2024-11-13 16:16:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:38,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:16:38,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:16:38,272 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:16:38,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-13 16:16:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:38,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:16:38,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:40,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2024-11-13 16:16:40,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:40,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 27 [2024-11-13 16:16:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-13 16:16:40,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:16:41,280 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:41,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950274091] [2024-11-13 16:16:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950274091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:16:41,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316504461] [2024-11-13 16:16:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:41,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:41,282 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:41,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 16:16:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:41,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:16:41,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:42,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:16:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:16:44,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-13 16:16:45,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:45,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 41 [2024-11-13 16:16:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:16:49,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:16:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:16:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316504461] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:16:50,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:16:50,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 15] total 28 [2024-11-13 16:16:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721479166] [2024-11-13 16:16:50,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:50,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:16:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:16:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=924, Unknown=1, NotChecked=0, Total=1056 [2024-11-13 16:16:50,282 INFO L87 Difference]: Start difference. First operand 851 states and 1217 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:16:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:51,293 INFO L93 Difference]: Finished difference Result 1865 states and 2643 transitions. [2024-11-13 16:16:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:16:51,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-13 16:16:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:51,297 INFO L225 Difference]: With dead ends: 1865 [2024-11-13 16:16:51,297 INFO L226 Difference]: Without dead ends: 1017 [2024-11-13 16:16:51,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=157, Invalid=1174, Unknown=1, NotChecked=0, Total=1332 [2024-11-13 16:16:51,299 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 270 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:51,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 2013 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:16:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2024-11-13 16:16:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 846. [2024-11-13 16:16:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 792 states have (on average 1.4305555555555556) internal successors, (1133), 795 states have internal predecessors, (1133), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:16:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1211 transitions. [2024-11-13 16:16:51,420 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1211 transitions. Word has length 121 [2024-11-13 16:16:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:51,421 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1211 transitions. [2024-11-13 16:16:51,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:16:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1211 transitions. [2024-11-13 16:16:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:16:51,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:51,424 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:51,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-13 16:16:51,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 16:16:51,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:51,825 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:16:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2122800730, now seen corresponding path program 1 times [2024-11-13 16:16:51,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:51,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079312817] [2024-11-13 16:16:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:16:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:16:51,828 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:16:51,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-13 16:16:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:52,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 16:16:52,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:53,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-11-13 16:16:54,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-13 16:16:54,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:54,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 46 [2024-11-13 16:16:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:16:55,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:16:55,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-13 16:16:56,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:56,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079312817] [2024-11-13 16:16:56,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079312817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:16:56,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457087889] [2024-11-13 16:16:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:56,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:56,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:56,643 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:56,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 16:16:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:56,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 16:16:56,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:57,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:16:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:16:59,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-13 16:17:00,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-13 16:17:01,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:17:01,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 50 [2024-11-13 16:17:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:17:01,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:02,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-13 16:17:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:03,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457087889] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:03,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:03,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [18, 18] total 42 [2024-11-13 16:17:03,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743009958] [2024-11-13 16:17:03,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:03,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:17:03,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:03,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:17:03,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=2191, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 16:17:03,563 INFO L87 Difference]: Start difference. First operand 846 states and 1211 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:08,020 INFO L93 Difference]: Finished difference Result 1899 states and 2693 transitions. [2024-11-13 16:17:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:17:08,021 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-13 16:17:08,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:08,024 INFO L225 Difference]: With dead ends: 1899 [2024-11-13 16:17:08,024 INFO L226 Difference]: Without dead ends: 1056 [2024-11-13 16:17:08,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=449, Invalid=2857, Unknown=0, NotChecked=0, Total=3306 [2024-11-13 16:17:08,025 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 551 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:08,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 2701 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 16:17:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-13 16:17:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 756. [2024-11-13 16:17:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 702 states have (on average 1.4216524216524216) internal successors, (998), 705 states have internal predecessors, (998), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1076 transitions. [2024-11-13 16:17:08,113 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1076 transitions. Word has length 121 [2024-11-13 16:17:08,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:08,114 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1076 transitions. [2024-11-13 16:17:08,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:08,114 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1076 transitions. [2024-11-13 16:17:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:08,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:08,116 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:08,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-13 16:17:08,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 16:17:08,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:08,517 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:08,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:08,517 INFO L85 PathProgramCache]: Analyzing trace with hash 484486435, now seen corresponding path program 1 times [2024-11-13 16:17:08,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:08,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349622084] [2024-11-13 16:17:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:08,519 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:08,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-13 16:17:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:08,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 16:17:08,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:10,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 33 [2024-11-13 16:17:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-13 16:17:10,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:10,349 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:10,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349622084] [2024-11-13 16:17:10,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349622084] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:10,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-13 16:17:10,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320281774] [2024-11-13 16:17:10,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:10,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:17:10,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:10,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:17:10,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:17:10,351 INFO L87 Difference]: Start difference. First operand 756 states and 1076 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:10,636 INFO L93 Difference]: Finished difference Result 1411 states and 1992 transitions. [2024-11-13 16:17:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:17:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:17:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:10,640 INFO L225 Difference]: With dead ends: 1411 [2024-11-13 16:17:10,640 INFO L226 Difference]: Without dead ends: 658 [2024-11-13 16:17:10,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:17:10,642 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 94 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:10,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 546 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:17:10,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-13 16:17:10,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 648. [2024-11-13 16:17:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 594 states have (on average 1.387205387205387) internal successors, (824), 597 states have internal predecessors, (824), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 902 transitions. [2024-11-13 16:17:10,744 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 902 transitions. Word has length 123 [2024-11-13 16:17:10,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:10,744 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 902 transitions. [2024-11-13 16:17:10,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 902 transitions. [2024-11-13 16:17:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:10,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:10,746 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:10,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-13 16:17:10,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:10,947 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:10,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1509917324, now seen corresponding path program 1 times [2024-11-13 16:17:10,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:10,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97523096] [2024-11-13 16:17:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:10,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:10,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:10,952 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:10,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-13 16:17:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:11,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:17:11,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:13,018 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:17:13,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:17:13,654 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-11-13 16:17:13,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 55 [2024-11-13 16:17:13,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-11-13 16:17:13,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-13 16:17:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:17:14,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:14,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2024-11-13 16:17:15,336 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:15,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97523096] [2024-11-13 16:17:15,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97523096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:15,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108260788] [2024-11-13 16:17:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:15,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:15,338 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 16:17:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:17:15,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:17,088 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-11-13 16:17:17,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 55 [2024-11-13 16:17:17,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-13 16:17:17,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-13 16:17:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:17,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108260788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:17,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:17,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2024-11-13 16:17:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218502903] [2024-11-13 16:17:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:17,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:17:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:17,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:17:17,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:17:17,411 INFO L87 Difference]: Start difference. First operand 648 states and 902 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:21,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:21,467 INFO L93 Difference]: Finished difference Result 1749 states and 2401 transitions. [2024-11-13 16:17:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:17:21,468 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:17:21,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:21,471 INFO L225 Difference]: With dead ends: 1749 [2024-11-13 16:17:21,471 INFO L226 Difference]: Without dead ends: 1104 [2024-11-13 16:17:21,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2024-11-13 16:17:21,472 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 449 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:21,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1393 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 16:17:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2024-11-13 16:17:21,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 780. [2024-11-13 16:17:21,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 726 states have (on average 1.3898071625344353) internal successors, (1009), 729 states have internal predecessors, (1009), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1087 transitions. [2024-11-13 16:17:21,549 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1087 transitions. Word has length 123 [2024-11-13 16:17:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:21,550 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1087 transitions. [2024-11-13 16:17:21,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1087 transitions. [2024-11-13 16:17:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:21,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:21,552 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 16:17:21,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-13 16:17:21,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:21,953 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:21,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:21,953 INFO L85 PathProgramCache]: Analyzing trace with hash 692268874, now seen corresponding path program 1 times [2024-11-13 16:17:21,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:21,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617272946] [2024-11-13 16:17:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:21,956 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:21,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-13 16:17:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:22,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:17:22,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:24,000 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:17:24,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:17:24,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-13 16:17:24,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2024-11-13 16:17:24,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-13 16:17:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:17:24,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:25,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 64 [2024-11-13 16:17:25,917 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:25,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617272946] [2024-11-13 16:17:25,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617272946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:25,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624642849] [2024-11-13 16:17:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:25,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:25,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:25,919 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:25,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 16:17:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:26,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:17:26,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:27,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-13 16:17:27,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-13 16:17:27,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-13 16:17:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:27,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:27,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624642849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:27,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:27,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2024-11-13 16:17:27,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505098282] [2024-11-13 16:17:27,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:27,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:17:27,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:27,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:17:27,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:17:27,826 INFO L87 Difference]: Start difference. First operand 780 states and 1087 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:31,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:31,490 INFO L93 Difference]: Finished difference Result 1961 states and 2689 transitions. [2024-11-13 16:17:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:17:31,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:17:31,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:31,495 INFO L225 Difference]: With dead ends: 1961 [2024-11-13 16:17:31,495 INFO L226 Difference]: Without dead ends: 1184 [2024-11-13 16:17:31,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:17:31,496 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 403 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:31,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1329 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 16:17:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-13 16:17:31,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 728. [2024-11-13 16:17:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 674 states have (on average 1.3753709198813056) internal successors, (927), 677 states have internal predecessors, (927), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1005 transitions. [2024-11-13 16:17:31,581 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1005 transitions. Word has length 123 [2024-11-13 16:17:31,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:31,581 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 1005 transitions. [2024-11-13 16:17:31,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1005 transitions. [2024-11-13 16:17:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:31,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:31,583 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:31,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 16:17:31,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:31,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:31,984 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:31,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:31,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1674405320, now seen corresponding path program 1 times [2024-11-13 16:17:31,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:31,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091025355] [2024-11-13 16:17:31,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:31,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:31,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:31,987 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:31,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-13 16:17:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:17:32,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:32,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:32,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091025355] [2024-11-13 16:17:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091025355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:17:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253467870] [2024-11-13 16:17:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:32,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:17:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:17:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:17:32,361 INFO L87 Difference]: Start difference. First operand 728 states and 1005 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:32,464 INFO L93 Difference]: Finished difference Result 742 states and 1021 transitions. [2024-11-13 16:17:32,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:17:32,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:17:32,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:32,467 INFO L225 Difference]: With dead ends: 742 [2024-11-13 16:17:32,467 INFO L226 Difference]: Without dead ends: 740 [2024-11-13 16:17:32,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:17:32,468 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:32,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 900 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:17:32,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-13 16:17:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2024-11-13 16:17:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 686 states have (on average 1.368804664723032) internal successors, (939), 689 states have internal predecessors, (939), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1017 transitions. [2024-11-13 16:17:32,545 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1017 transitions. Word has length 123 [2024-11-13 16:17:32,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:32,546 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1017 transitions. [2024-11-13 16:17:32,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1017 transitions. [2024-11-13 16:17:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:32,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:32,547 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:32,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-13 16:17:32,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:32,748 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:32,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:32,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2105958408, now seen corresponding path program 1 times [2024-11-13 16:17:32,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011986570] [2024-11-13 16:17:32,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:32,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:32,750 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:32,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-13 16:17:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:17:33,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:35,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:17:35,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-13 16:17:35,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:17:35,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-13 16:17:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:17:35,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:36,035 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011986570] [2024-11-13 16:17:36,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011986570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323589468] [2024-11-13 16:17:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:36,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:36,037 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:36,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 16:17:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:36,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:17:36,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:38,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:17:38,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-13 16:17:38,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:17:38,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-13 16:17:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:17:38,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:38,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323589468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:38,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:38,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2024-11-13 16:17:38,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093260870] [2024-11-13 16:17:38,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:38,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:17:38,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:38,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:17:38,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:17:38,840 INFO L87 Difference]: Start difference. First operand 740 states and 1017 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 16:17:40,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:40,388 INFO L93 Difference]: Finished difference Result 1680 states and 2283 transitions. [2024-11-13 16:17:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 16:17:40,390 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-13 16:17:40,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:40,392 INFO L225 Difference]: With dead ends: 1680 [2024-11-13 16:17:40,392 INFO L226 Difference]: Without dead ends: 943 [2024-11-13 16:17:40,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2024-11-13 16:17:40,394 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 572 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:40,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 830 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:17:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-13 16:17:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 740. [2024-11-13 16:17:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 686 states have (on average 1.3644314868804666) internal successors, (936), 689 states have internal predecessors, (936), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1014 transitions. [2024-11-13 16:17:40,476 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1014 transitions. Word has length 123 [2024-11-13 16:17:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:40,477 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1014 transitions. [2024-11-13 16:17:40,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 16:17:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1014 transitions. [2024-11-13 16:17:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:40,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:40,479 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:40,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 16:17:40,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-13 16:17:40,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:40,880 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:40,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:40,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1425900038, now seen corresponding path program 1 times [2024-11-13 16:17:40,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:40,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858006514] [2024-11-13 16:17:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:40,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:40,882 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:40,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-13 16:17:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:17:41,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:42,834 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:17:42,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:17:43,520 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-11-13 16:17:43,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 56 [2024-11-13 16:17:43,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-13 16:17:43,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2024-11-13 16:17:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:17:43,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:48,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2024-11-13 16:17:51,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:51,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858006514] [2024-11-13 16:17:51,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858006514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:51,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178940968] [2024-11-13 16:17:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:51,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:51,242 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:51,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 16:17:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:17:51,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:53,863 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-11-13 16:17:53,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 56 [2024-11-13 16:17:54,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-13 16:17:54,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-13 16:17:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:17:54,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178940968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:54,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:54,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2024-11-13 16:17:54,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122663620] [2024-11-13 16:17:54,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:54,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:17:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:17:54,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=622, Unknown=1, NotChecked=0, Total=812 [2024-11-13 16:17:54,310 INFO L87 Difference]: Start difference. First operand 740 states and 1014 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:57,993 INFO L93 Difference]: Finished difference Result 1953 states and 2637 transitions. [2024-11-13 16:17:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:17:57,994 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:17:57,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:57,996 INFO L225 Difference]: With dead ends: 1953 [2024-11-13 16:17:57,996 INFO L226 Difference]: Without dead ends: 1216 [2024-11-13 16:17:57,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=222, Invalid=707, Unknown=1, NotChecked=0, Total=930 [2024-11-13 16:17:57,998 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 726 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:57,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 893 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 16:17:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-11-13 16:17:58,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 872. [2024-11-13 16:17:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 818 states have (on average 1.3704156479217604) internal successors, (1121), 821 states have internal predecessors, (1121), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:17:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1199 transitions. [2024-11-13 16:17:58,096 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1199 transitions. Word has length 123 [2024-11-13 16:17:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:58,096 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1199 transitions. [2024-11-13 16:17:58,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:17:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1199 transitions. [2024-11-13 16:17:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 16:17:58,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:58,098 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:58,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-13 16:17:58,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-13 16:17:58,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:58,498 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:58,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:58,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1207045320, now seen corresponding path program 1 times [2024-11-13 16:17:58,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:58,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376562459] [2024-11-13 16:17:58,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:17:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:58,501 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:17:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-13 16:17:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:17:58,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:01,525 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:18:01,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:18:02,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-13 16:18:02,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2024-11-13 16:18:02,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-11-13 16:18:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:18:02,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:03,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 64 [2024-11-13 16:18:03,987 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:03,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376562459] [2024-11-13 16:18:03,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376562459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:03,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729090332] [2024-11-13 16:18:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:03,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:03,989 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:03,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 16:18:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:04,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:18:04,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:06,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-13 16:18:06,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-11-13 16:18:06,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-13 16:18:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:18:06,655 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:18:06,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729090332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:18:06,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:18:06,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2024-11-13 16:18:06,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669625034] [2024-11-13 16:18:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:18:06,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:18:06,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:18:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:18:06,656 INFO L87 Difference]: Start difference. First operand 872 states and 1199 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:18:10,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:10,656 INFO L93 Difference]: Finished difference Result 2165 states and 2925 transitions. [2024-11-13 16:18:10,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:18:10,657 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-13 16:18:10,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:10,662 INFO L225 Difference]: With dead ends: 2165 [2024-11-13 16:18:10,662 INFO L226 Difference]: Without dead ends: 1296 [2024-11-13 16:18:10,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:18:10,664 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 611 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:10,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1035 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-13 16:18:10,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-13 16:18:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 820. [2024-11-13 16:18:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 766 states have (on average 1.3563968668407311) internal successors, (1039), 769 states have internal predecessors, (1039), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 16:18:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1117 transitions. [2024-11-13 16:18:10,749 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1117 transitions. Word has length 123 [2024-11-13 16:18:10,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:10,750 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1117 transitions. [2024-11-13 16:18:10,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:18:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1117 transitions. [2024-11-13 16:18:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:18:10,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:10,751 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:10,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-13 16:18:10,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-13 16:18:11,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:11,152 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 738690489, now seen corresponding path program 1 times [2024-11-13 16:18:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:11,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524971627] [2024-11-13 16:18:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:11,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:18:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:18:11,154 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:18:11,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-13 16:18:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:11,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:18:11,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:12,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:18:12,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-13 16:18:14,742 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-13 16:18:14,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 63 [2024-11-13 16:18:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 16 proven. 180 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 16:18:14,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:15,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:15,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524971627] [2024-11-13 16:18:15,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524971627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:15,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452756339] [2024-11-13 16:18:15,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:15,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:15,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:15,293 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:15,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 16:18:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:15,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:18:15,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:16,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-13 16:18:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:18:17,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2024-11-13 16:18:17,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:18:17,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 44 [2024-11-13 16:18:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:18:18,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:18:18,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452756339] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:18,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:18:18,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 14] total 27 [2024-11-13 16:18:18,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016305657] [2024-11-13 16:18:18,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:18:18,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:18:18,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:18,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:18:18,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:18:18,870 INFO L87 Difference]: Start difference. First operand 820 states and 1117 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:18:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:19,954 INFO L93 Difference]: Finished difference Result 1974 states and 2698 transitions. [2024-11-13 16:18:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:18:19,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-13 16:18:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:19,964 INFO L225 Difference]: With dead ends: 1974 [2024-11-13 16:18:19,966 INFO L226 Difference]: Without dead ends: 1157 [2024-11-13 16:18:19,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 16:18:19,968 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 113 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:19,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1262 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:18:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-13 16:18:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1137. [2024-11-13 16:18:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1072 states have (on average 1.3647388059701493) internal successors, (1463), 1077 states have internal predecessors, (1463), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:18:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1555 transitions. [2024-11-13 16:18:20,083 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1555 transitions. Word has length 125 [2024-11-13 16:18:20,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:20,084 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1555 transitions. [2024-11-13 16:18:20,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:18:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1555 transitions. [2024-11-13 16:18:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:18:20,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:20,086 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:20,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-13 16:18:20,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-13 16:18:20,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:18:20,487 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:20,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash -565152877, now seen corresponding path program 1 times [2024-11-13 16:18:20,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:20,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785647295] [2024-11-13 16:18:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:20,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:18:20,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:18:20,489 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:18:20,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-13 16:18:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:20,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:18:20,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:21,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:18:22,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 16:18:25,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:18:25,999 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-13 16:18:26,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 47 [2024-11-13 16:18:26,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:18:26,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 33 [2024-11-13 16:18:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:18:26,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:30,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:30,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785647295] [2024-11-13 16:18:30,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785647295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:30,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391449478] [2024-11-13 16:18:30,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:30,681 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:30,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-13 16:18:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:30,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:18:30,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:31,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:18:31,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 16:18:34,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:18:35,219 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-13 16:18:35,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 47 [2024-11-13 16:18:35,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:18:35,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 33 [2024-11-13 16:18:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:18:35,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:36,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391449478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:36,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:18:36,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 17 [2024-11-13 16:18:36,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062547839] [2024-11-13 16:18:36,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:18:36,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:18:36,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:36,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:18:36,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:18:36,666 INFO L87 Difference]: Start difference. First operand 1137 states and 1555 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 16:18:41,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:41,137 INFO L93 Difference]: Finished difference Result 2393 states and 3256 transitions. [2024-11-13 16:18:41,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 16:18:41,138 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2024-11-13 16:18:41,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:41,143 INFO L225 Difference]: With dead ends: 2393 [2024-11-13 16:18:41,143 INFO L226 Difference]: Without dead ends: 1259 [2024-11-13 16:18:41,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 282 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=271, Invalid=1369, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 16:18:41,145 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 535 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2608 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:41,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 2608 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 16:18:41,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-13 16:18:41,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1145. [2024-11-13 16:18:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1080 states have (on average 1.362037037037037) internal successors, (1471), 1085 states have internal predecessors, (1471), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:18:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1563 transitions. [2024-11-13 16:18:41,258 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1563 transitions. Word has length 125 [2024-11-13 16:18:41,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:41,259 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1563 transitions. [2024-11-13 16:18:41,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 16:18:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1563 transitions. [2024-11-13 16:18:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:18:41,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:41,260 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:41,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-13 16:18:41,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-13 16:18:41,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:41,661 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:41,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:41,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1145273927, now seen corresponding path program 1 times [2024-11-13 16:18:41,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:41,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774713578] [2024-11-13 16:18:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:18:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:18:41,663 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:18:41,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-13 16:18:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:42,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:18:42,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:42,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 16:18:42,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:18:43,278 INFO L349 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2024-11-13 16:18:43,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-11-13 16:18:43,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-13 16:18:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:18:43,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:43,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774713578] [2024-11-13 16:18:43,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774713578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525594902] [2024-11-13 16:18:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:43,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:43,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:43,926 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 16:18:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:44,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:18:44,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:44,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:18:44,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-13 16:18:45,885 INFO L349 Elim1Store]: treesize reduction 30, result has 47.4 percent of original size [2024-11-13 16:18:45,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 43 [2024-11-13 16:18:46,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:18:46,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 94 [2024-11-13 16:18:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:18:46,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525594902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:46,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:18:46,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2024-11-13 16:18:46,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022647809] [2024-11-13 16:18:46,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:18:46,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:18:46,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:46,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:18:46,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:18:46,666 INFO L87 Difference]: Start difference. First operand 1145 states and 1563 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-13 16:18:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:50,156 INFO L93 Difference]: Finished difference Result 2413 states and 3272 transitions. [2024-11-13 16:18:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 16:18:50,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 125 [2024-11-13 16:18:50,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:50,162 INFO L225 Difference]: With dead ends: 2413 [2024-11-13 16:18:50,163 INFO L226 Difference]: Without dead ends: 1271 [2024-11-13 16:18:50,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:18:50,165 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 533 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:50,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 2184 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 610 Invalid, 2 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 16:18:50,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2024-11-13 16:18:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1145. [2024-11-13 16:18:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1080 states have (on average 1.3583333333333334) internal successors, (1467), 1085 states have internal predecessors, (1467), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:18:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1559 transitions. [2024-11-13 16:18:50,295 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1559 transitions. Word has length 125 [2024-11-13 16:18:50,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:50,295 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1559 transitions. [2024-11-13 16:18:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-13 16:18:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1559 transitions. [2024-11-13 16:18:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:18:50,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:50,297 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:50,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-11-13 16:18:50,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-13 16:18:50,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:50,698 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:50,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:50,701 INFO L85 PathProgramCache]: Analyzing trace with hash 327625477, now seen corresponding path program 1 times [2024-11-13 16:18:50,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:50,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50274027] [2024-11-13 16:18:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:50,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:18:50,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:18:50,707 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:18:50,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-11-13 16:18:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:51,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 16:18:51,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:53,343 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:18:53,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:18:53,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-13 16:18:53,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-13 16:18:53,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-13 16:18:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:18:53,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:54,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2024-11-13 16:18:54,797 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:54,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50274027] [2024-11-13 16:18:54,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50274027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:54,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237392665] [2024-11-13 16:18:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:54,799 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:54,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-13 16:18:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:55,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:18:55,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:56,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-13 16:18:57,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-13 16:18:57,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-13 16:18:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:18:57,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:18:57,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237392665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:18:57,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:18:57,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-13 16:18:57,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935293867] [2024-11-13 16:18:57,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:18:57,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:18:57,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:18:57,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-13 16:18:57,267 INFO L87 Difference]: Start difference. First operand 1145 states and 1559 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:01,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:01,682 INFO L93 Difference]: Finished difference Result 3161 states and 4261 transitions. [2024-11-13 16:19:01,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:19:01,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-13 16:19:01,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:01,689 INFO L225 Difference]: With dead ends: 3161 [2024-11-13 16:19:01,690 INFO L226 Difference]: Without dead ends: 2019 [2024-11-13 16:19:01,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2024-11-13 16:19:01,692 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 420 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:01,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1009 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 16:19:01,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2024-11-13 16:19:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1215. [2024-11-13 16:19:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1150 states have (on average 1.3695652173913044) internal successors, (1575), 1155 states have internal predecessors, (1575), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:19:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1667 transitions. [2024-11-13 16:19:01,850 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1667 transitions. Word has length 125 [2024-11-13 16:19:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:01,850 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1667 transitions. [2024-11-13 16:19:01,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1667 transitions. [2024-11-13 16:19:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:19:01,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:01,852 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:01,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:02,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-13 16:19:02,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:02,252 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:02,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash 546480195, now seen corresponding path program 1 times [2024-11-13 16:19:02,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:02,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100227234] [2024-11-13 16:19:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:02,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:02,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:02,255 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2024-11-13 16:19:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:02,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:19:02,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:04,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:19:04,903 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:19:04,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:19:05,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-11-13 16:19:05,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-13 16:19:05,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-13 16:19:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:19:06,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:07,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2024-11-13 16:19:07,467 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:07,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100227234] [2024-11-13 16:19:07,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100227234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:07,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399611829] [2024-11-13 16:19:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:07,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:07,469 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:07,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-13 16:19:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:07,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:19:07,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:10,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-11-13 16:19:10,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-13 16:19:10,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-13 16:19:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:19:10,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:19:10,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399611829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:10,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:19:10,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2024-11-13 16:19:10,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794897745] [2024-11-13 16:19:10,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:10,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:19:10,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:19:10,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:19:10,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:19:10,411 INFO L87 Difference]: Start difference. First operand 1215 states and 1667 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:16,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:16,584 INFO L93 Difference]: Finished difference Result 2899 states and 3911 transitions. [2024-11-13 16:19:16,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:19:16,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-13 16:19:16,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:16,590 INFO L225 Difference]: With dead ends: 2899 [2024-11-13 16:19:16,590 INFO L226 Difference]: Without dead ends: 1687 [2024-11-13 16:19:16,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:19:16,592 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 402 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:16,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1381 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-13 16:19:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2024-11-13 16:19:16,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1011. [2024-11-13 16:19:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 946 states have (on average 1.3562367864693445) internal successors, (1283), 951 states have internal predecessors, (1283), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:19:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1375 transitions. [2024-11-13 16:19:16,750 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1375 transitions. Word has length 125 [2024-11-13 16:19:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:16,750 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1375 transitions. [2024-11-13 16:19:16,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1375 transitions. [2024-11-13 16:19:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:19:16,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:16,752 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:16,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:16,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-13 16:19:17,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:17,152 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:17,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1344440011, now seen corresponding path program 1 times [2024-11-13 16:19:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:17,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007369024] [2024-11-13 16:19:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:17,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:17,155 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:17,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-13 16:19:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:17,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:19:17,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:20,448 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:19:20,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:19:21,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-13 16:19:21,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-11-13 16:19:21,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-13 16:19:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:19:21,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:22,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 60 [2024-11-13 16:19:23,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007369024] [2024-11-13 16:19:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007369024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371747724] [2024-11-13 16:19:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:23,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:23,238 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:23,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-13 16:19:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:23,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:19:23,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:25,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-13 16:19:26,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-13 16:19:26,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-13 16:19:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:19:26,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:19:26,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371747724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:26,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:19:26,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 16 [2024-11-13 16:19:26,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791007496] [2024-11-13 16:19:26,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:26,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:19:26,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:19:26,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:19:26,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2024-11-13 16:19:26,298 INFO L87 Difference]: Start difference. First operand 1011 states and 1375 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:29,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:29,587 INFO L93 Difference]: Finished difference Result 2877 states and 3879 transitions. [2024-11-13 16:19:29,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:19:29,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-13 16:19:29,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:29,593 INFO L225 Difference]: With dead ends: 2877 [2024-11-13 16:19:29,593 INFO L226 Difference]: Without dead ends: 1869 [2024-11-13 16:19:29,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:19:29,596 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 716 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:29,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 710 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 16:19:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-11-13 16:19:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1081. [2024-11-13 16:19:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1016 states have (on average 1.3730314960629921) internal successors, (1395), 1021 states have internal predecessors, (1395), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:19:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1487 transitions. [2024-11-13 16:19:29,772 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1487 transitions. Word has length 125 [2024-11-13 16:19:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:29,773 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1487 transitions. [2024-11-13 16:19:29,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1487 transitions. [2024-11-13 16:19:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:19:29,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:29,775 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:29,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:29,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-13 16:19:30,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:30,175 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:30,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:30,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1478453517, now seen corresponding path program 1 times [2024-11-13 16:19:30,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:30,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214431421] [2024-11-13 16:19:30,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:30,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:30,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:30,178 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:30,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-11-13 16:19:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:30,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:19:30,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:32,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:19:33,403 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:19:33,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:19:34,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-13 16:19:34,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2024-11-13 16:19:34,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-13 16:19:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-13 16:19:34,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:36,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2024-11-13 16:19:36,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:36,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214431421] [2024-11-13 16:19:36,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214431421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:36,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556877793] [2024-11-13 16:19:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:36,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:36,631 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:36,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-13 16:19:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:36,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:19:36,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:39,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-13 16:19:39,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-13 16:19:39,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-13 16:19:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:19:40,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:19:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556877793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:40,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:19:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-11-13 16:19:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526285314] [2024-11-13 16:19:40,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:40,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:19:40,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:19:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:19:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:19:40,012 INFO L87 Difference]: Start difference. First operand 1081 states and 1487 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:45,345 INFO L93 Difference]: Finished difference Result 2607 states and 3525 transitions. [2024-11-13 16:19:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:19:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-13 16:19:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:45,349 INFO L225 Difference]: With dead ends: 2607 [2024-11-13 16:19:45,350 INFO L226 Difference]: Without dead ends: 1529 [2024-11-13 16:19:45,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2024-11-13 16:19:45,351 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 501 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:45,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1231 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-13 16:19:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-13 16:19:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 861. [2024-11-13 16:19:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 796 states have (on average 1.3580402010050252) internal successors, (1081), 801 states have internal predecessors, (1081), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:19:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1173 transitions. [2024-11-13 16:19:45,495 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1173 transitions. Word has length 125 [2024-11-13 16:19:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:45,496 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1173 transitions. [2024-11-13 16:19:45,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1173 transitions. [2024-11-13 16:19:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 16:19:45,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:45,497 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:45,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-13 16:19:45,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:45,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:45,898 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:45,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2126733252, now seen corresponding path program 1 times [2024-11-13 16:19:45,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:45,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443441278] [2024-11-13 16:19:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:45,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:45,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:45,901 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:45,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2024-11-13 16:19:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:46,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:19:46,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:50,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:19:50,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-13 16:19:51,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:19:51,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 35 [2024-11-13 16:19:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:19:51,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:19:52,084 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:52,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443441278] [2024-11-13 16:19:52,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443441278] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:52,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:19:52,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-11-13 16:19:52,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201867217] [2024-11-13 16:19:52,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:52,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:19:52,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:19:52,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:19:52,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:19:52,086 INFO L87 Difference]: Start difference. First operand 861 states and 1173 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:52,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:52,914 INFO L93 Difference]: Finished difference Result 1245 states and 1673 transitions. [2024-11-13 16:19:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:19:52,914 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2024-11-13 16:19:52,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:52,917 INFO L225 Difference]: With dead ends: 1245 [2024-11-13 16:19:52,917 INFO L226 Difference]: Without dead ends: 1243 [2024-11-13 16:19:52,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2024-11-13 16:19:52,918 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 90 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:52,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1197 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:19:52,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-13 16:19:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1169. [2024-11-13 16:19:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1104 states have (on average 1.3541666666666667) internal successors, (1495), 1109 states have internal predecessors, (1495), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:19:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1587 transitions. [2024-11-13 16:19:53,055 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1587 transitions. Word has length 126 [2024-11-13 16:19:53,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:53,055 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1587 transitions. [2024-11-13 16:19:53,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:19:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1587 transitions. [2024-11-13 16:19:53,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 16:19:53,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:53,057 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:53,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:53,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:53,257 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:53,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:53,257 INFO L85 PathProgramCache]: Analyzing trace with hash 557905520, now seen corresponding path program 1 times [2024-11-13 16:19:53,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:53,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385515900] [2024-11-13 16:19:53,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:53,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:53,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:53,260 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:53,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-11-13 16:19:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:53,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:19:53,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:54,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 16:19:56,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:19:56,684 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2024-11-13 16:19:56,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2024-11-13 16:19:56,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:19:56,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-11-13 16:19:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:19:56,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:57,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:57,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385515900] [2024-11-13 16:19:57,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385515900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:57,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836466392] [2024-11-13 16:19:57,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:57,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:57,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:57,350 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:57,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-13 16:19:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:57,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:19:57,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:00,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 16:20:00,740 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2024-11-13 16:20:00,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2024-11-13 16:20:00,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 16:20:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:20:00,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:01,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836466392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:01,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:20:01,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-11-13 16:20:01,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069823315] [2024-11-13 16:20:01,099 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:01,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:20:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:20:01,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:20:01,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2024-11-13 16:20:01,101 INFO L87 Difference]: Start difference. First operand 1169 states and 1587 transitions. Second operand has 21 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:20:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:03,881 INFO L93 Difference]: Finished difference Result 2357 states and 3193 transitions. [2024-11-13 16:20:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:20:03,882 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-11-13 16:20:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:03,885 INFO L225 Difference]: With dead ends: 2357 [2024-11-13 16:20:03,885 INFO L226 Difference]: Without dead ends: 1191 [2024-11-13 16:20:03,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 290 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:20:03,887 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 740 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:03,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 1241 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 16:20:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-13 16:20:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1169. [2024-11-13 16:20:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1104 states have (on average 1.3505434782608696) internal successors, (1491), 1109 states have internal predecessors, (1491), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:20:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1583 transitions. [2024-11-13 16:20:04,027 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1583 transitions. Word has length 127 [2024-11-13 16:20:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:04,028 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1583 transitions. [2024-11-13 16:20:04,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:20:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1583 transitions. [2024-11-13 16:20:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 16:20:04,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:04,030 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:04,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-13 16:20:04,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-11-13 16:20:04,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:04,431 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:04,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:04,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1030442382, now seen corresponding path program 1 times [2024-11-13 16:20:04,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:20:04,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936297487] [2024-11-13 16:20:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:04,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:20:04,434 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:20:04,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2024-11-13 16:20:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:04,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:20:04,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:20:04,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:20:04,933 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:20:04,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936297487] [2024-11-13 16:20:04,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936297487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:04,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:04,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:20:04,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937778342] [2024-11-13 16:20:04,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:04,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:20:04,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:20:04,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:20:04,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:20:04,934 INFO L87 Difference]: Start difference. First operand 1169 states and 1583 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:20:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:05,361 INFO L93 Difference]: Finished difference Result 2333 states and 3160 transitions. [2024-11-13 16:20:05,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:20:05,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 127 [2024-11-13 16:20:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:05,364 INFO L225 Difference]: With dead ends: 2333 [2024-11-13 16:20:05,364 INFO L226 Difference]: Without dead ends: 1167 [2024-11-13 16:20:05,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:20:05,366 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 66 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:05,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 749 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:20:05,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-11-13 16:20:05,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1165. [2024-11-13 16:20:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 1100 states have (on average 1.3481818181818181) internal successors, (1483), 1105 states have internal predecessors, (1483), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:20:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1575 transitions. [2024-11-13 16:20:05,490 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1575 transitions. Word has length 127 [2024-11-13 16:20:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:05,490 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1575 transitions. [2024-11-13 16:20:05,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:20:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1575 transitions. [2024-11-13 16:20:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 16:20:05,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:05,492 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:05,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2024-11-13 16:20:05,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:05,692 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:05,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1328948193, now seen corresponding path program 1 times [2024-11-13 16:20:05,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:20:05,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956307044] [2024-11-13 16:20:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:05,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:05,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:20:05,695 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:20:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2024-11-13 16:20:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:06,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:20:06,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:10,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:20:10,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-13 16:20:11,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:20:11,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 30 [2024-11-13 16:20:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:20:11,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:13,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:20:13,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956307044] [2024-11-13 16:20:13,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956307044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:13,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117234725] [2024-11-13 16:20:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:13,474 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:13,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-13 16:20:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:13,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 16:20:13,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:20:17,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-13 16:20:18,142 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-13 16:20:18,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 30 [2024-11-13 16:20:46,979 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:20:52,533 INFO L349 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2024-11-13 16:20:52,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 49 [2024-11-13 16:20:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 168 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-13 16:20:52,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:20:54,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117234725] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:54,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:20:54,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16, 21] total 42 [2024-11-13 16:20:54,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333073633] [2024-11-13 16:20:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:54,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:20:54,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:20:54,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:20:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1863, Unknown=2, NotChecked=0, Total=2070 [2024-11-13 16:20:54,285 INFO L87 Difference]: Start difference. First operand 1165 states and 1575 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:20:57,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:57,457 INFO L93 Difference]: Finished difference Result 1385 states and 1830 transitions. [2024-11-13 16:20:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 16:20:57,458 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2024-11-13 16:20:57,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:57,462 INFO L225 Difference]: With dead ends: 1385 [2024-11-13 16:20:57,462 INFO L226 Difference]: Without dead ends: 1383 [2024-11-13 16:20:57,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=346, Invalid=3312, Unknown=2, NotChecked=0, Total=3660 [2024-11-13 16:20:57,464 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 167 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:57,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1932 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 16:20:57,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-13 16:20:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1203. [2024-11-13 16:20:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1138 states have (on average 1.3558875219683655) internal successors, (1543), 1143 states have internal predecessors, (1543), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:20:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1635 transitions. [2024-11-13 16:20:57,603 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1635 transitions. Word has length 128 [2024-11-13 16:20:57,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:57,603 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 1635 transitions. [2024-11-13 16:20:57,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:20:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1635 transitions. [2024-11-13 16:20:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 16:20:57,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:57,606 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:57,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-13 16:20:57,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Ended with exit code 0 [2024-11-13 16:20:58,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:58,007 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2138294819, now seen corresponding path program 1 times [2024-11-13 16:20:58,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:20:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519715577] [2024-11-13 16:20:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:20:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:20:58,010 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:20:58,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2024-11-13 16:20:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:58,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:20:58,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:02,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-13 16:21:02,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:02,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2024-11-13 16:21:03,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:03,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 30 [2024-11-13 16:21:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:21:03,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:07,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:07,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 139 [2024-11-13 16:21:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:21:08,328 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519715577] [2024-11-13 16:21:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519715577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:21:08,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:21:08,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-13 16:21:08,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700556994] [2024-11-13 16:21:08,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:21:08,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:21:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:21:08,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:21:08,330 INFO L87 Difference]: Start difference. First operand 1203 states and 1635 transitions. Second operand has 18 states, 16 states have (on average 7.6875) internal successors, (123), 17 states have internal predecessors, (123), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:21:13,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:13,966 INFO L93 Difference]: Finished difference Result 2855 states and 3818 transitions. [2024-11-13 16:21:13,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 16:21:13,967 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 7.6875) internal successors, (123), 17 states have internal predecessors, (123), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 128 [2024-11-13 16:21:13,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:13,972 INFO L225 Difference]: With dead ends: 2855 [2024-11-13 16:21:13,972 INFO L226 Difference]: Without dead ends: 1655 [2024-11-13 16:21:13,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=555, Invalid=1607, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 16:21:13,975 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1220 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:13,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1416 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 16:21:13,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2024-11-13 16:21:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1253. [2024-11-13 16:21:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1188 states have (on average 1.362794612794613) internal successors, (1619), 1193 states have internal predecessors, (1619), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1711 transitions. [2024-11-13 16:21:14,109 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1711 transitions. Word has length 128 [2024-11-13 16:21:14,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:14,109 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1711 transitions. [2024-11-13 16:21:14,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 7.6875) internal successors, (123), 17 states have internal predecessors, (123), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:21:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1711 transitions. [2024-11-13 16:21:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 16:21:14,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:14,112 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:14,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Ended with exit code 0 [2024-11-13 16:21:14,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:14,312 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:14,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:14,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2049091927, now seen corresponding path program 1 times [2024-11-13 16:21:14,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:14,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703609082] [2024-11-13 16:21:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:14,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:14,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:14,315 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:14,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2024-11-13 16:21:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:15,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:21:15,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:15,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:21:19,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 16:21:20,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:21:20,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:20,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2024-11-13 16:21:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 16:21:21,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:22,298 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:22,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703609082] [2024-11-13 16:21:22,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703609082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:21:22,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898823818] [2024-11-13 16:21:22,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:22,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:22,301 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:22,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-13 16:21:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:22,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:21:22,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:23,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:21:27,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 16:21:27,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:21:28,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:28,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2024-11-13 16:21:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 15 proven. 168 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 16:21:28,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898823818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:21:28,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:21:28,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 18 [2024-11-13 16:21:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81284921] [2024-11-13 16:21:28,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:21:28,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 16:21:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 16:21:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:21:28,965 INFO L87 Difference]: Start difference. First operand 1253 states and 1711 transitions. Second operand has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-13 16:21:34,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:34,435 INFO L93 Difference]: Finished difference Result 1327 states and 1789 transitions. [2024-11-13 16:21:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 16:21:34,435 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2024-11-13 16:21:34,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:34,440 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 16:21:34,441 INFO L226 Difference]: Without dead ends: 1325 [2024-11-13 16:21:34,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=329, Invalid=1741, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 16:21:34,442 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 663 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:34,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1660 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 16:21:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-13 16:21:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1057. [2024-11-13 16:21:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 992 states have (on average 1.3578629032258065) internal successors, (1347), 997 states have internal predecessors, (1347), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1439 transitions. [2024-11-13 16:21:34,707 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1439 transitions. Word has length 128 [2024-11-13 16:21:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:34,707 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1439 transitions. [2024-11-13 16:21:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-13 16:21:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1439 transitions. [2024-11-13 16:21:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 16:21:34,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:34,710 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:34,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Ended with exit code 0 [2024-11-13 16:21:34,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-13 16:21:35,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:35,111 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:35,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:35,111 INFO L85 PathProgramCache]: Analyzing trace with hash 923405528, now seen corresponding path program 1 times [2024-11-13 16:21:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:35,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450278145] [2024-11-13 16:21:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:35,116 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:35,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2024-11-13 16:21:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:35,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:21:35,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:38,947 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-13 16:21:38,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 66 [2024-11-13 16:21:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-13 16:21:39,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:21:39,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450278145] [2024-11-13 16:21:39,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450278145] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:21:39,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:21:39,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-13 16:21:39,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795262398] [2024-11-13 16:21:39,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:39,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:21:39,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:39,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:21:39,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-13 16:21:39,798 INFO L87 Difference]: Start difference. First operand 1057 states and 1439 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:40,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:40,357 INFO L93 Difference]: Finished difference Result 1985 states and 2673 transitions. [2024-11-13 16:21:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:21:40,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-13 16:21:40,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:40,361 INFO L225 Difference]: With dead ends: 1985 [2024-11-13 16:21:40,361 INFO L226 Difference]: Without dead ends: 931 [2024-11-13 16:21:40,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:21:40,362 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 52 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:40,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 783 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:21:40,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-13 16:21:40,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 929. [2024-11-13 16:21:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 864 states have (on average 1.3171296296296295) internal successors, (1138), 869 states have internal predecessors, (1138), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1230 transitions. [2024-11-13 16:21:40,526 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1230 transitions. Word has length 130 [2024-11-13 16:21:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:40,527 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1230 transitions. [2024-11-13 16:21:40,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1230 transitions. [2024-11-13 16:21:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 16:21:40,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:40,528 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:40,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:40,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:40,728 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:40,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:40,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1497476548, now seen corresponding path program 1 times [2024-11-13 16:21:40,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:40,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663119652] [2024-11-13 16:21:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:40,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:40,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:40,731 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:40,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2024-11-13 16:21:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:41,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:21:41,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:42,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:21:44,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:21:45,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-13 16:21:45,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:45,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2024-11-13 16:21:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:21:46,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:21:47,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:47,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663119652] [2024-11-13 16:21:47,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663119652] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:21:47,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:21:47,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 26 [2024-11-13 16:21:47,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093007784] [2024-11-13 16:21:47,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:47,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:21:47,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:47,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:21:47,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2024-11-13 16:21:47,397 INFO L87 Difference]: Start difference. First operand 929 states and 1230 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:48,870 INFO L93 Difference]: Finished difference Result 1214 states and 1585 transitions. [2024-11-13 16:21:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:21:48,871 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-13 16:21:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:48,874 INFO L225 Difference]: With dead ends: 1214 [2024-11-13 16:21:48,874 INFO L226 Difference]: Without dead ends: 1212 [2024-11-13 16:21:48,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 16:21:48,875 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 87 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:48,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2451 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:21:48,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-11-13 16:21:49,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 979. [2024-11-13 16:21:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 914 states have (on average 1.3304157549234135) internal successors, (1216), 919 states have internal predecessors, (1216), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1308 transitions. [2024-11-13 16:21:49,007 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1308 transitions. Word has length 130 [2024-11-13 16:21:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:49,007 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1308 transitions. [2024-11-13 16:21:49,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1308 transitions. [2024-11-13 16:21:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 16:21:49,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:49,009 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:49,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:49,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:49,209 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:49,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -874262714, now seen corresponding path program 1 times [2024-11-13 16:21:49,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:49,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353030928] [2024-11-13 16:21:49,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:49,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:49,213 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:49,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2024-11-13 16:21:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:49,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 16:21:49,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:50,935 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-13 16:21:50,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-13 16:21:51,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-13 16:21:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:21:51,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:51,787 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-13 16:21:51,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:21:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 16:21:51,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353030928] [2024-11-13 16:21:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353030928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:21:51,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:21:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-13 16:21:51,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32845916] [2024-11-13 16:21:51,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:21:51,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:21:51,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:51,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:21:51,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:21:51,991 INFO L87 Difference]: Start difference. First operand 979 states and 1308 transitions. Second operand has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:21:53,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:53,756 INFO L93 Difference]: Finished difference Result 1805 states and 2401 transitions. [2024-11-13 16:21:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:21:53,757 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 130 [2024-11-13 16:21:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:53,760 INFO L225 Difference]: With dead ends: 1805 [2024-11-13 16:21:53,760 INFO L226 Difference]: Without dead ends: 829 [2024-11-13 16:21:53,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:21:53,762 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 348 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:53,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 923 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:21:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-13 16:21:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 797. [2024-11-13 16:21:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 732 states have (on average 1.3210382513661203) internal successors, (967), 737 states have internal predecessors, (967), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1059 transitions. [2024-11-13 16:21:53,991 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1059 transitions. Word has length 130 [2024-11-13 16:21:53,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:53,992 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1059 transitions. [2024-11-13 16:21:53,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 16:21:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1059 transitions. [2024-11-13 16:21:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:21:53,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:53,994 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:54,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:54,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:54,194 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:54,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1847911486, now seen corresponding path program 1 times [2024-11-13 16:21:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:54,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524186203] [2024-11-13 16:21:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:54,200 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:54,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2024-11-13 16:21:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:54,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:21:54,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:21:54,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:54,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:54,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524186203] [2024-11-13 16:21:54,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524186203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:54,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:54,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:21:54,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739391413] [2024-11-13 16:21:54,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:54,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:21:54,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:54,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:21:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:54,727 INFO L87 Difference]: Start difference. First operand 797 states and 1059 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:54,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:54,967 INFO L93 Difference]: Finished difference Result 1599 states and 2131 transitions. [2024-11-13 16:21:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:21:54,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:21:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:54,971 INFO L225 Difference]: With dead ends: 1599 [2024-11-13 16:21:54,971 INFO L226 Difference]: Without dead ends: 805 [2024-11-13 16:21:54,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:54,972 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:54,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:21:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-13 16:21:55,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2024-11-13 16:21:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 740 states have (on average 1.3175675675675675) internal successors, (975), 745 states have internal predecessors, (975), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:21:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1067 transitions. [2024-11-13 16:21:55,222 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1067 transitions. Word has length 131 [2024-11-13 16:21:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:55,223 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1067 transitions. [2024-11-13 16:21:55,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:21:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1067 transitions. [2024-11-13 16:21:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:21:55,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:55,225 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:55,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:55,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:55,426 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:55,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:55,426 INFO L85 PathProgramCache]: Analyzing trace with hash 538342978, now seen corresponding path program 1 times [2024-11-13 16:21:55,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:55,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086769483] [2024-11-13 16:21:55,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:55,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:55,431 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:21:55,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2024-11-13 16:21:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:55,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:21:55,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:56,089 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:21:56,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:21:56,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-13 16:21:56,921 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-13 16:21:56,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 77 [2024-11-13 16:21:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:21:57,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:57,098 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:57,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086769483] [2024-11-13 16:21:57,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086769483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:57,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:57,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:21:57,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838602850] [2024-11-13 16:21:57,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:57,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:21:57,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:57,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:21:57,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:21:57,099 INFO L87 Difference]: Start difference. First operand 805 states and 1067 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:00,564 INFO L93 Difference]: Finished difference Result 1633 states and 2172 transitions. [2024-11-13 16:22:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:22:00,565 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:00,568 INFO L225 Difference]: With dead ends: 1633 [2024-11-13 16:22:00,568 INFO L226 Difference]: Without dead ends: 831 [2024-11-13 16:22:00,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:22:00,570 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 96 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:00,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1255 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 16:22:00,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-13 16:22:00,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 811. [2024-11-13 16:22:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 746 states have (on average 1.3203753351206435) internal successors, (985), 751 states have internal predecessors, (985), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1077 transitions. [2024-11-13 16:22:00,819 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1077 transitions. Word has length 131 [2024-11-13 16:22:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:00,819 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1077 transitions. [2024-11-13 16:22:00,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1077 transitions. [2024-11-13 16:22:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:00,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:00,821 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:00,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2024-11-13 16:22:01,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:01,023 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:01,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:01,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1267095356, now seen corresponding path program 1 times [2024-11-13 16:22:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:01,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74131294] [2024-11-13 16:22:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:01,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:01,027 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:01,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2024-11-13 16:22:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:01,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:22:01,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:01,710 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:22:01,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:22:01,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-13 16:22:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:02,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:02,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74131294] [2024-11-13 16:22:02,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74131294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:02,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:02,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:22:02,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462276120] [2024-11-13 16:22:02,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:02,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:22:02,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:22:02,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:22:02,526 INFO L87 Difference]: Start difference. First operand 811 states and 1077 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:06,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:06,146 INFO L93 Difference]: Finished difference Result 1638 states and 2180 transitions. [2024-11-13 16:22:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:22:06,147 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:06,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:06,149 INFO L225 Difference]: With dead ends: 1638 [2024-11-13 16:22:06,149 INFO L226 Difference]: Without dead ends: 830 [2024-11-13 16:22:06,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:22:06,151 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 82 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:06,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1237 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 16:22:06,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-13 16:22:06,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 811. [2024-11-13 16:22:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 746 states have (on average 1.3203753351206435) internal successors, (985), 751 states have internal predecessors, (985), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1077 transitions. [2024-11-13 16:22:06,329 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1077 transitions. Word has length 131 [2024-11-13 16:22:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:06,330 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1077 transitions. [2024-11-13 16:22:06,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1077 transitions. [2024-11-13 16:22:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:06,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:06,332 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:06,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Ended with exit code 0 [2024-11-13 16:22:06,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:06,533 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:06,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:06,534 INFO L85 PathProgramCache]: Analyzing trace with hash 28869888, now seen corresponding path program 1 times [2024-11-13 16:22:06,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:06,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110026770] [2024-11-13 16:22:06,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:06,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:06,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:06,537 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:06,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2024-11-13 16:22:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:07,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:22:07,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:07,299 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:22:07,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:22:07,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-13 16:22:08,164 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-13 16:22:08,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 82 [2024-11-13 16:22:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:08,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:08,405 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:08,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110026770] [2024-11-13 16:22:08,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110026770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:08,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:08,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:22:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759748627] [2024-11-13 16:22:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:08,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:22:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:08,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:22:08,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:22:08,407 INFO L87 Difference]: Start difference. First operand 811 states and 1077 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:12,212 INFO L93 Difference]: Finished difference Result 1624 states and 2157 transitions. [2024-11-13 16:22:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:22:12,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:12,215 INFO L225 Difference]: With dead ends: 1624 [2024-11-13 16:22:12,215 INFO L226 Difference]: Without dead ends: 816 [2024-11-13 16:22:12,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:22:12,217 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 93 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:12,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1257 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 16:22:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-13 16:22:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 811. [2024-11-13 16:22:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 746 states have (on average 1.3203753351206435) internal successors, (985), 751 states have internal predecessors, (985), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1077 transitions. [2024-11-13 16:22:12,466 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1077 transitions. Word has length 131 [2024-11-13 16:22:12,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:12,466 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1077 transitions. [2024-11-13 16:22:12,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1077 transitions. [2024-11-13 16:22:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:12,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:12,468 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:12,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Ended with exit code 0 [2024-11-13 16:22:12,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:12,669 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:12,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:12,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1776568446, now seen corresponding path program 1 times [2024-11-13 16:22:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:12,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973299298] [2024-11-13 16:22:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:12,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:12,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:12,672 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:12,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2024-11-13 16:22:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:13,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:22:13,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:13,316 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 16:22:13,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-13 16:22:13,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-13 16:22:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:14,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:14,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:14,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973299298] [2024-11-13 16:22:14,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973299298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:14,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:14,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:22:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252441297] [2024-11-13 16:22:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:14,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:22:14,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:22:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:22:14,122 INFO L87 Difference]: Start difference. First operand 811 states and 1077 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:17,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:17,575 INFO L93 Difference]: Finished difference Result 1622 states and 2154 transitions. [2024-11-13 16:22:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:22:17,576 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:17,578 INFO L225 Difference]: With dead ends: 1622 [2024-11-13 16:22:17,578 INFO L226 Difference]: Without dead ends: 814 [2024-11-13 16:22:17,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:22:17,580 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 90 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:17,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1158 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 16:22:17,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-13 16:22:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 804. [2024-11-13 16:22:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 739 states have (on average 1.3166441136671176) internal successors, (973), 744 states have internal predecessors, (973), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1065 transitions. [2024-11-13 16:22:17,741 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1065 transitions. Word has length 131 [2024-11-13 16:22:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1065 transitions. [2024-11-13 16:22:17,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1065 transitions. [2024-11-13 16:22:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:17,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:17,743 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:17,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Ended with exit code 0 [2024-11-13 16:22:17,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:17,943 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:17,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:17,944 INFO L85 PathProgramCache]: Analyzing trace with hash 610729536, now seen corresponding path program 1 times [2024-11-13 16:22:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493634555] [2024-11-13 16:22:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:17,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:17,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:17,946 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:17,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2024-11-13 16:22:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:18,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:22:18,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:18,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-13 16:22:19,075 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-13 16:22:19,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 69 [2024-11-13 16:22:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:19,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:19,230 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:19,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493634555] [2024-11-13 16:22:19,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493634555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:19,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:19,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:22:19,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144481874] [2024-11-13 16:22:19,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:19,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:22:19,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:19,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:22:19,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:22:19,232 INFO L87 Difference]: Start difference. First operand 804 states and 1065 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:21,955 INFO L93 Difference]: Finished difference Result 1656 states and 2206 transitions. [2024-11-13 16:22:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:22:21,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:21,959 INFO L225 Difference]: With dead ends: 1656 [2024-11-13 16:22:21,959 INFO L226 Difference]: Without dead ends: 855 [2024-11-13 16:22:21,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:22:21,961 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 96 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:21,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 989 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 16:22:21,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-13 16:22:22,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 810. [2024-11-13 16:22:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 745 states have (on average 1.3194630872483222) internal successors, (983), 750 states have internal predecessors, (983), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1075 transitions. [2024-11-13 16:22:22,210 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1075 transitions. Word has length 131 [2024-11-13 16:22:22,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:22,210 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1075 transitions. [2024-11-13 16:22:22,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1075 transitions. [2024-11-13 16:22:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:22,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:22,212 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:22,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Forceful destruction successful, exit code 0 [2024-11-13 16:22:22,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:22,413 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:22,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1194708798, now seen corresponding path program 1 times [2024-11-13 16:22:22,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:22,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67844448] [2024-11-13 16:22:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:22,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:22,416 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:22,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2024-11-13 16:22:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:22,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:22:22,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:23,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-13 16:22:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:23,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:23,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:23,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67844448] [2024-11-13 16:22:23,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67844448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:23,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:23,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:22:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349260143] [2024-11-13 16:22:23,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:23,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:22:23,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:22:23,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:22:23,515 INFO L87 Difference]: Start difference. First operand 810 states and 1075 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:26,566 INFO L93 Difference]: Finished difference Result 1661 states and 2214 transitions. [2024-11-13 16:22:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:22:26,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:26,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:26,569 INFO L225 Difference]: With dead ends: 1661 [2024-11-13 16:22:26,569 INFO L226 Difference]: Without dead ends: 854 [2024-11-13 16:22:26,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:22:26,570 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 82 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:26,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 966 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 16:22:26,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-13 16:22:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 810. [2024-11-13 16:22:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 745 states have (on average 1.3194630872483222) internal successors, (983), 750 states have internal predecessors, (983), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1075 transitions. [2024-11-13 16:22:26,782 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1075 transitions. Word has length 131 [2024-11-13 16:22:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:26,782 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1075 transitions. [2024-11-13 16:22:26,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1075 transitions. [2024-11-13 16:22:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:26,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:26,784 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:26,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Ended with exit code 0 [2024-11-13 16:22:26,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:26,985 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:26,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:26,985 INFO L85 PathProgramCache]: Analyzing trace with hash 101256446, now seen corresponding path program 1 times [2024-11-13 16:22:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774411265] [2024-11-13 16:22:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:26,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:26,988 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:26,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2024-11-13 16:22:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:27,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:22:27,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:27,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-13 16:22:28,329 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-13 16:22:28,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 70 [2024-11-13 16:22:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:28,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:28,501 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774411265] [2024-11-13 16:22:28,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774411265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:28,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:28,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:22:28,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245931063] [2024-11-13 16:22:28,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:28,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:22:28,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:28,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:22:28,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:22:28,503 INFO L87 Difference]: Start difference. First operand 810 states and 1075 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:31,555 INFO L93 Difference]: Finished difference Result 1626 states and 2157 transitions. [2024-11-13 16:22:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:22:31,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:31,558 INFO L225 Difference]: With dead ends: 1626 [2024-11-13 16:22:31,558 INFO L226 Difference]: Without dead ends: 819 [2024-11-13 16:22:31,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:22:31,560 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 93 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:31,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 989 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 16:22:31,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-13 16:22:31,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 810. [2024-11-13 16:22:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 745 states have (on average 1.3194630872483222) internal successors, (983), 750 states have internal predecessors, (983), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1075 transitions. [2024-11-13 16:22:31,692 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1075 transitions. Word has length 131 [2024-11-13 16:22:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:31,692 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1075 transitions. [2024-11-13 16:22:31,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1075 transitions. [2024-11-13 16:22:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 16:22:31,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:31,693 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:31,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Forceful destruction successful, exit code 0 [2024-11-13 16:22:31,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:31,894 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:31,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:31,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1704181888, now seen corresponding path program 1 times [2024-11-13 16:22:31,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:31,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117856158] [2024-11-13 16:22:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:31,896 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:31,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2024-11-13 16:22:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:32,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:22:32,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:32,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-13 16:22:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:33,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:33,007 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117856158] [2024-11-13 16:22:33,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117856158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:33,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:33,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:22:33,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632045109] [2024-11-13 16:22:33,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:33,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:22:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:33,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:22:33,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:22:33,009 INFO L87 Difference]: Start difference. First operand 810 states and 1075 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:35,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:35,336 INFO L93 Difference]: Finished difference Result 1624 states and 2154 transitions. [2024-11-13 16:22:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:22:35,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-13 16:22:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:35,340 INFO L225 Difference]: With dead ends: 1624 [2024-11-13 16:22:35,340 INFO L226 Difference]: Without dead ends: 817 [2024-11-13 16:22:35,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:22:35,342 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 87 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:35,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 755 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 16:22:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-13 16:22:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 803. [2024-11-13 16:22:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 738 states have (on average 1.315718157181572) internal successors, (971), 743 states have internal predecessors, (971), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1063 transitions. [2024-11-13 16:22:35,468 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1063 transitions. Word has length 131 [2024-11-13 16:22:35,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:35,468 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1063 transitions. [2024-11-13 16:22:35,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1063 transitions. [2024-11-13 16:22:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 16:22:35,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:35,469 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:35,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2024-11-13 16:22:35,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:35,670 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:35,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1914218303, now seen corresponding path program 1 times [2024-11-13 16:22:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905426840] [2024-11-13 16:22:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:35,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:35,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:35,672 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:35,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2024-11-13 16:22:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:36,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:22:36,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:36,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:22:36,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2024-11-13 16:22:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 16:22:36,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:22:36,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:22:36,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905426840] [2024-11-13 16:22:36,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905426840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:22:36,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:22:36,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:22:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937773391] [2024-11-13 16:22:36,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:22:36,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:22:36,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:22:36,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:22:36,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:22:36,865 INFO L87 Difference]: Start difference. First operand 803 states and 1063 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:37,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:22:37,832 INFO L93 Difference]: Finished difference Result 1643 states and 2163 transitions. [2024-11-13 16:22:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:22:37,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-13 16:22:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:22:37,837 INFO L225 Difference]: With dead ends: 1643 [2024-11-13 16:22:37,837 INFO L226 Difference]: Without dead ends: 843 [2024-11-13 16:22:37,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:22:37,839 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 17 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:22:37,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1324 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:22:37,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-13 16:22:38,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 803. [2024-11-13 16:22:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 738 states have (on average 1.3102981029810299) internal successors, (967), 743 states have internal predecessors, (967), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 41 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-13 16:22:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1059 transitions. [2024-11-13 16:22:38,056 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1059 transitions. Word has length 132 [2024-11-13 16:22:38,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:22:38,056 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1059 transitions. [2024-11-13 16:22:38,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 16:22:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1059 transitions. [2024-11-13 16:22:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 16:22:38,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:22:38,058 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:22:38,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Ended with exit code 0 [2024-11-13 16:22:38,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:38,259 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:22:38,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:22:38,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1104871677, now seen corresponding path program 1 times [2024-11-13 16:22:38,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:22:38,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277575019] [2024-11-13 16:22:38,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:22:38,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:22:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:22:38,262 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:22:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2024-11-13 16:22:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:22:38,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 16:22:38,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:39,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 16:22:40,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 16:22:46,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-13 16:22:47,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2024-11-13 16:22:48,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:22:48,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 38 [2024-11-13 16:22:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 165 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 16:22:48,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:23:01,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-13 16:23:01,541 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 16:23:01,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:23:01,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277575019] [2024-11-13 16:23:01,543 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-13 16:23:01,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Forceful destruction successful, exit code 0 [2024-11-13 16:23:01,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:23:01,744 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-13 16:23:01,748 INFO L158 Benchmark]: Toolchain (without parser) took 639218.30ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 92.3MB in the beginning and 570.9MB in the end (delta: -478.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-13 16:23:01,748 INFO L158 Benchmark]: CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:01,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.65ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:23:01,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.43ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 71.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:01,750 INFO L158 Benchmark]: Boogie Preprocessor took 127.91ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 66.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:23:01,750 INFO L158 Benchmark]: RCFGBuilder took 1358.24ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-13 16:23:01,751 INFO L158 Benchmark]: TraceAbstraction took 637087.80ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 63.5MB in the beginning and 570.9MB in the end (delta: -507.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-13 16:23:01,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.65ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.43ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 71.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 127.91ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 66.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1358.24ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * TraceAbstraction took 637087.80ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 63.5MB in the beginning and 570.9MB in the end (delta: -507.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6aa81a-66e2-48f3-b376-986c866cc686/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")