./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.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_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:35:18,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:35:18,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:35:18,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:35:18,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:35:18,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:35:18,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:35:18,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:35:18,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:35:18,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:35:18,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:35:18,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:35:18,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:35:18,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:35:18,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:35:18,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:35:18,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:35:18,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:35:18,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:35:18,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:35:18,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:35:18,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:35:18,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:35:18,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:35:18,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:35:18,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:35:18,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:35:18,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:35:18,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:35:18,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:35:18,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:35:18,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:35:18,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:35:18,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:35:18,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:35:18,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:35:18,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:35:18,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:35:18,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:35:18,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:35:18,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:35:18,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:35:18,885 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 -> e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 [2024-11-13 15:35:19,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:35:19,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:35:19,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:35:19,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:35:19,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:35:19,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i Unable to find full path for "g++" [2024-11-13 15:35:21,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:35:21,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:35:21,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-13 15:35:21,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/0c5eac139/63bfd05ef9aa47d5908bf801a0e3a81e/FLAGbc9ee0221 [2024-11-13 15:35:21,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/0c5eac139/63bfd05ef9aa47d5908bf801a0e3a81e [2024-11-13 15:35:21,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:35:21,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:35:21,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:35:21,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:35:21,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:35:21,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:35:21" (1/1) ... [2024-11-13 15:35:21,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7339ec62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:21, skipping insertion in model container [2024-11-13 15:35:21,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:35:21" (1/1) ... [2024-11-13 15:35:21,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:35:21,867 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-13 15:35:21,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:35:21,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:35:21,954 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-13 15:35:21,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:35:22,006 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:35:22,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22 WrapperNode [2024-11-13 15:35:22,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:35:22,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:35:22,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:35:22,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:35:22,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,072 INFO L138 Inliner]: procedures = 30, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2024-11-13 15:35:22,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:35:22,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:35:22,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:35:22,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:35:22,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,103 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-13 15:35:22,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:35:22,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:35:22,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:35:22,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:35:22,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (1/1) ... [2024-11-13 15:35:22,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:35:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:35:22,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:35:22,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:35:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:35:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:35:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:35:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:35:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:35:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:35:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:35:22,388 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:35:22,391 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:35:23,004 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-13 15:35:23,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:35:23,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:35:23,021 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:35:23,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:23 BoogieIcfgContainer [2024-11-13 15:35:23,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:35:23,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:35:23,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:35:23,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:35:23,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:35:21" (1/3) ... [2024-11-13 15:35:23,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e161aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:23, skipping insertion in model container [2024-11-13 15:35:23,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:22" (2/3) ... [2024-11-13 15:35:23,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e161aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:23, skipping insertion in model container [2024-11-13 15:35:23,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:23" (3/3) ... [2024-11-13 15:35:23,034 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-13 15:35:23,046 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:35:23,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-29.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:35:23,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:35:23,118 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;@6dc7ec0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:35:23,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:35:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:23,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:23,135 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:23,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:23,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:23,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1489561218, now seen corresponding path program 1 times [2024-11-13 15:35:23,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:23,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617908078] [2024-11-13 15:35:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:35:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:35:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:35:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:35:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:35:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:23,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:23,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617908078] [2024-11-13 15:35:23,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617908078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:23,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:23,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:23,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363891795] [2024-11-13 15:35:23,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:23,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:35:23,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:23,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:35:23,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:35:23,617 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:23,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:23,643 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2024-11-13 15:35:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:35:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-13 15:35:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:23,652 INFO L225 Difference]: With dead ends: 169 [2024-11-13 15:35:23,652 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 15:35:23,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 15:35:23,658 INFO L432 NwaCegarLoop]: 120 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, 120 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 15:35:23,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:35:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 15:35:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-13 15:35:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-13 15:35:23,701 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2024-11-13 15:35:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:23,702 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-13 15:35:23,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-13 15:35:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:23,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:23,708 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:23,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:35:23,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:23,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash 784635190, now seen corresponding path program 1 times [2024-11-13 15:35:23,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:23,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093880993] [2024-11-13 15:35:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:35:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:35:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:35:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:35:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:35:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:24,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:24,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093880993] [2024-11-13 15:35:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093880993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:24,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:24,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:35:24,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893910703] [2024-11-13 15:35:24,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:24,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:35:24,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:35:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:35:24,145 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:24,203 INFO L93 Difference]: Finished difference Result 168 states and 241 transitions. [2024-11-13 15:35:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:35:24,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:35:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:24,208 INFO L225 Difference]: With dead ends: 168 [2024-11-13 15:35:24,208 INFO L226 Difference]: Without dead ends: 87 [2024-11-13 15:35:24,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 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 15:35:24,210 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:24,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:35:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-13 15:35:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2024-11-13 15:35:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2024-11-13 15:35:24,228 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 73 [2024-11-13 15:35:24,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:24,230 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2024-11-13 15:35:24,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-13 15:35:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:24,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:24,235 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:24,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:35:24,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:24,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1735324744, now seen corresponding path program 1 times [2024-11-13 15:35:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294865545] [2024-11-13 15:35:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:35:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:35:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:35:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:35:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:35:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:35:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:24,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294865545] [2024-11-13 15:35:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294865545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:24,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:24,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:35:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760029910] [2024-11-13 15:35:24,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:24,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:35:24,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:35:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:35:24,526 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:24,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:24,584 INFO L93 Difference]: Finished difference Result 172 states and 245 transitions. [2024-11-13 15:35:24,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:35:24,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:35:24,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:24,591 INFO L225 Difference]: With dead ends: 172 [2024-11-13 15:35:24,591 INFO L226 Difference]: Without dead ends: 89 [2024-11-13 15:35:24,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 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 15:35:24,593 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:24,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:35:24,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-13 15:35:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-13 15:35:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.4) internal successors, (112), 80 states have internal predecessors, (112), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 124 transitions. [2024-11-13 15:35:24,602 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 124 transitions. Word has length 73 [2024-11-13 15:35:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:24,602 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 124 transitions. [2024-11-13 15:35:24,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2024-11-13 15:35:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:24,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:24,604 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:24,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:35:24,605 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:24,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:24,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1733477702, now seen corresponding path program 1 times [2024-11-13 15:35:24,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:24,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763645405] [2024-11-13 15:35:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:24,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:35:24,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:35:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:35:25,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:35:25,111 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:35:25,112 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:35:25,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:35:25,118 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 15:35:25,222 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:35:25,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:35:25 BoogieIcfgContainer [2024-11-13 15:35:25,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:35:25,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:35:25,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:35:25,229 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:35:25,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:23" (3/4) ... [2024-11-13 15:35:25,231 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:35:25,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:35:25,233 INFO L158 Benchmark]: Toolchain (without parser) took 3579.90ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 90.3MB in the end (delta: 28.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 15:35:25,233 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:35:25,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.73ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 104.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:35:25,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.75ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:35:25,234 INFO L158 Benchmark]: Boogie Preprocessor took 61.70ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 98.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:35:25,235 INFO L158 Benchmark]: RCFGBuilder took 887.14ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 69.6MB in the end (delta: 29.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:35:25,235 INFO L158 Benchmark]: TraceAbstraction took 2203.59ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 90.3MB in the end (delta: -21.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-13 15:35:25,235 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:35:25,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.73ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 104.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.75ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.70ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 98.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 887.14ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 69.6MB in the end (delta: 29.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2203.59ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 90.3MB in the end (delta: -21.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 27.0kB). 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 82, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L47] float* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] float* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L49] float* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L50] unsigned short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L51] unsigned short int* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L52] unsigned char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L53] unsigned char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L54] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L55] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L56] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=0] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L87] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L88] EXPR WrapperStruct00.var_1_3 [L88] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L88] EXPR WrapperStruct00.var_1_3 [L88] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L88] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L88] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L89] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L90] EXPR WrapperStruct00.var_1_4 [L90] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L90] EXPR WrapperStruct00.var_1_4 [L90] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L90] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L91] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L94] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L109] RET updateVariables() [L110] CALL step() [L60] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L60] (*(WrapperStruct00_var_1_12_Pointer)) = (*(WrapperStruct00_var_1_13_Pointer)) [L61] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L61] (*(WrapperStruct00_var_1_14_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L62] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L62] COND TRUE (*(WrapperStruct00_var_1_12_Pointer)) [L63] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L63] (*(WrapperStruct00_var_1_1_Pointer)) = (*(WrapperStruct00_var_1_3_Pointer)) [L69] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_3_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L69] COND FALSE !(((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) [L72] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L72] (*(WrapperStruct00_var_1_5_Pointer)) = (*(WrapperStruct00_var_1_14_Pointer)) [L74] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L74] signed long int stepLocal_0 = 5 * (*(WrapperStruct00_var_1_14_Pointer)); [L75] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L75] EXPR \read(*WrapperStruct00_var_1_1_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))) [L75] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L75] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] EXPR \read(*WrapperStruct00_var_1_1_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] COND FALSE !((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) [L82] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_3_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L82] COND TRUE (*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer)) [L83] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L83] (*(WrapperStruct00_var_1_10_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L101] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L101] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L101] EXPR (*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer))))) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101-L102] return ((((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer))))) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 449 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 354 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 180/180 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 15:35:25,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:35:27,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:35:28,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:35:28,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:35:28,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:35:28,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:35:28,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:35:28,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:35:28,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:35:28,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:35:28,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:35:28,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:35:28,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:35:28,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:35:28,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:35:28,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:35:28,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:35:28,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:35:28,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:35:28,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:35:28,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:35:28,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:35:28,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:35:28,110 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 -> e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 [2024-11-13 15:35:28,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:35:28,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:35:28,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:35:28,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:35:28,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:35:28,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i Unable to find full path for "g++" [2024-11-13 15:35:30,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:35:30,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:35:30,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-13 15:35:30,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/d91338a7a/d61a2c775b7f48bab68d2416b98fdf1e/FLAGce1119a2f [2024-11-13 15:35:30,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/data/d91338a7a/d61a2c775b7f48bab68d2416b98fdf1e [2024-11-13 15:35:30,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:35:30,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:35:30,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:35:30,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:35:30,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:35:30,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:30,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330be581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30, skipping insertion in model container [2024-11-13 15:35:30,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:30,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:35:30,780 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-13 15:35:30,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:35:30,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:35:30,903 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_aa72e083-d5e9-4c73-962b-9a4530c9515f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-13 15:35:30,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:35:30,988 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:35:30,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30 WrapperNode [2024-11-13 15:35:30,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:35:30,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:35:30,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:35:30,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:35:30,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,063 INFO L138 Inliner]: procedures = 34, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-13 15:35:31,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:35:31,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:35:31,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:35:31,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:35:31,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,103 INFO L175 MemorySlicer]: Split 109 memory accesses to 2 slices as follows [2, 107]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 23 writes are split as follows [0, 23]. [2024-11-13 15:35:31,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:35:31,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:35:31,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:35:31,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:35:31,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (1/1) ... [2024-11-13 15:35:31,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:35:31,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:35:31,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:35:31,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:35:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:35:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-13 15:35:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-13 15:35:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:35:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:35:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 15:35:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 15:35:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:35:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:35:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-13 15:35:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-13 15:35:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-13 15:35:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-13 15:35:31,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:35:31,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:35:40,800 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-13 15:35:40,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:35:40,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:35:40,816 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:35:40,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:40 BoogieIcfgContainer [2024-11-13 15:35:40,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:35:40,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:35:40,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:35:40,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:35:40,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:35:30" (1/3) ... [2024-11-13 15:35:40,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66063b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:40, skipping insertion in model container [2024-11-13 15:35:40,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:35:30" (2/3) ... [2024-11-13 15:35:40,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66063b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:40, skipping insertion in model container [2024-11-13 15:35:40,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:40" (3/3) ... [2024-11-13 15:35:40,827 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-13 15:35:40,844 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:35:40,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-29.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:35:40,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:35:40,926 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;@2ab84ccf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:35:40,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:35:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:40,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:40,938 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:40,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:40,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1386394520, now seen corresponding path program 1 times [2024-11-13 15:35:40,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:35:40,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912871343] [2024-11-13 15:35:40,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:40,952 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 15:35:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:35:40,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:40,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:41,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:35:41,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 15:35:41,462 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:41,462 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:35:41,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912871343] [2024-11-13 15:35:41,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912871343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:41,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:41,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496111144] [2024-11-13 15:35:41,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:41,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:35:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:35:41,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:35:41,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:35:41,487 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:41,511 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2024-11-13 15:35:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:35:41,513 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-13 15:35:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:41,518 INFO L225 Difference]: With dead ends: 169 [2024-11-13 15:35:41,518 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 15:35:41,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 15:35:41,524 INFO L432 NwaCegarLoop]: 120 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, 120 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 15:35:41,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:35:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 15:35:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-13 15:35:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-13 15:35:41,567 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2024-11-13 15:35:41,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:41,567 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-13 15:35:41,570 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-13 15:35:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:41,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:41,574 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:41,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:41,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:41,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:41,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:41,776 INFO L85 PathProgramCache]: Analyzing trace with hash -634376368, now seen corresponding path program 1 times [2024-11-13 15:35:41,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:35:41,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457348683] [2024-11-13 15:35:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:41,777 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 15:35:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:35:41,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:42,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:35:42,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:35:42,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:42,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:35:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457348683] [2024-11-13 15:35:42,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457348683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:42,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:35:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981081256] [2024-11-13 15:35:42,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:35:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:35:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:35:42,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:35:42,333 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:42,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:42,432 INFO L93 Difference]: Finished difference Result 167 states and 240 transitions. [2024-11-13 15:35:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:35:42,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-13 15:35:42,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:42,435 INFO L225 Difference]: With dead ends: 167 [2024-11-13 15:35:42,435 INFO L226 Difference]: Without dead ends: 86 [2024-11-13 15:35:42,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 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 15:35:42,437 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:42,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:35:42,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-13 15:35:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-13 15:35:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2024-11-13 15:35:42,446 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 73 [2024-11-13 15:35:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:42,448 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2024-11-13 15:35:42,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:35:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-13 15:35:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:42,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:42,450 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:42,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:42,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:42,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:42,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:42,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1195076146, now seen corresponding path program 1 times [2024-11-13 15:35:42,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:35:42,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715850288] [2024-11-13 15:35:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:42,652 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 15:35:42,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:35:42,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:43,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:35:43,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:43,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:43,254 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:35:43,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715850288] [2024-11-13 15:35:43,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715850288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:43,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:43,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:35:43,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970550002] [2024-11-13 15:35:43,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:43,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:35:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:35:43,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:35:43,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:35:43,258 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:43,471 INFO L93 Difference]: Finished difference Result 176 states and 251 transitions. [2024-11-13 15:35:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:35:43,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:35:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:43,479 INFO L225 Difference]: With dead ends: 176 [2024-11-13 15:35:43,479 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 15:35:43,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:35:43,481 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:43,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 544 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:35:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 15:35:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-13 15:35:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions. [2024-11-13 15:35:43,495 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73 [2024-11-13 15:35:43,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:43,496 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions. [2024-11-13 15:35:43,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2024-11-13 15:35:43,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:43,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:43,504 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:43,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:43,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:43,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:43,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:43,706 INFO L85 PathProgramCache]: Analyzing trace with hash 579931216, now seen corresponding path program 1 times [2024-11-13 15:35:43,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:35:43,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75114655] [2024-11-13 15:35:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:43,706 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 15:35:43,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:35:43,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:43,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (5)] Waiting until timeout for monitored process [2024-11-13 15:35:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:44,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:35:44,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:44,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:44,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:35:44,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75114655] [2024-11-13 15:35:44,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75114655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:44,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:44,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:35:44,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692134502] [2024-11-13 15:35:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:44,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:35:44,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:35:44,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:35:44,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:35:44,274 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:44,528 INFO L93 Difference]: Finished difference Result 184 states and 257 transitions. [2024-11-13 15:35:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:35:44,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:35:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:44,530 INFO L225 Difference]: With dead ends: 184 [2024-11-13 15:35:44,531 INFO L226 Difference]: Without dead ends: 95 [2024-11-13 15:35:44,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:35:44,532 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:44,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 646 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:35:44,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-13 15:35:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-11-13 15:35:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:35:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2024-11-13 15:35:44,541 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 73 [2024-11-13 15:35:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:44,542 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2024-11-13 15:35:44,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-11-13 15:35:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:35:44,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:44,544 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:44,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (5)] Ended with exit code 0 [2024-11-13 15:35:44,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:44,745 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:44,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:44,745 INFO L85 PathProgramCache]: Analyzing trace with hash 581778258, now seen corresponding path program 1 times [2024-11-13 15:35:44,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:35:44,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056020969] [2024-11-13 15:35:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:44,746 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 15:35:44,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:35:44,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:44,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:35:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:45,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:35:45,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:45,380 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-13 15:35:45,381 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 43 [2024-11-13 15:35:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:35:45,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:35:45,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:35:45,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056020969] [2024-11-13 15:35:45,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056020969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:45,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:45,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:35:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444848359] [2024-11-13 15:35:45,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:45,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:35:45,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:35:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:35:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:35:45,519 INFO L87 Difference]: Start difference. First operand 94 states and 130 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:35:49,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:50,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:54,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:58,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:00,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:01,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:36:02,161 INFO L93 Difference]: Finished difference Result 237 states and 328 transitions. [2024-11-13 15:36:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:36:02,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:36:02,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:36:02,164 INFO L225 Difference]: With dead ends: 237 [2024-11-13 15:36:02,164 INFO L226 Difference]: Without dead ends: 146 [2024-11-13 15:36:02,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:36:02,166 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 58 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:36:02,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 305 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2024-11-13 15:36:02,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-13 15:36:02,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 100. [2024-11-13 15:36:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:36:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2024-11-13 15:36:02,190 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 73 [2024-11-13 15:36:02,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:36:02,190 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2024-11-13 15:36:02,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:36:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2024-11-13 15:36:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:36:02,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:36:02,192 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:02,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:36:02,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:36:02,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:36:02,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:02,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1006569644, now seen corresponding path program 1 times [2024-11-13 15:36:02,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:36:02,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218006018] [2024-11-13 15:36:02,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:02,397 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 15:36:02,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:36:02,401 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:36:02,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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)] Waiting until timeout for monitored process [2024-11-13 15:36:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:02,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 15:36:02,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:36:04,096 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 15:36:06,716 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 15:36:08,277 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 61 treesize of output 40 [2024-11-13 15:36:10,511 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 72 treesize of output 43 [2024-11-13 15:36:12,525 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 0 case distinctions, treesize of input 88 treesize of output 69 [2024-11-13 15:36:12,642 INFO L349 Elim1Store]: treesize reduction 91, result has 11.7 percent of original size [2024-11-13 15:36:12,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 130 [2024-11-13 15:36:13,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 74 treesize of output 44 [2024-11-13 15:36:13,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 72 treesize of output 44 [2024-11-13 15:36:13,651 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:36:13,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 140 [2024-11-13 15:36:14,539 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-13 15:36:14,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 266 treesize of output 169 [2024-11-13 15:36:15,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:36:15,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 359 treesize of output 215 [2024-11-13 15:36:17,266 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:36:17,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:36:37,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:36:37,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218006018] [2024-11-13 15:36:37,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218006018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:36:37,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883575513] [2024-11-13 15:36:37,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:36:37,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:36:37,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:36:37,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:36:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:38,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 15:36:38,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:36:38,988 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 15:36:40,432 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 15:36:41,538 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 15:36:43,258 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 15:36:44,984 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 80 treesize of output 63 [2024-11-13 15:36:45,083 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-13 15:36:45,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-13 15:36:45,370 INFO L349 Elim1Store]: treesize reduction 58, result has 21.6 percent of original size [2024-11-13 15:36:45,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 87 treesize of output 72 [2024-11-13 15:36:45,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 76 treesize of output 48 [2024-11-13 15:36:45,949 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-13 15:36:45,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 242 treesize of output 155 [2024-11-13 15:36:46,922 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:36:46,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-13 15:36:47,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:36:47,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 385 treesize of output 221 [2024-11-13 15:36:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:36:48,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:37:08,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883575513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:37:08,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:37:08,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2024-11-13 15:37:08,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976129172] [2024-11-13 15:37:08,973 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:37:08,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 15:37:08,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:37:08,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 15:37:08,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=371, Unknown=4, NotChecked=0, Total=462 [2024-11-13 15:37:08,979 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:37:15,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:19,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:22,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:25,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:32,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:36,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:39,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:42,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:45,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:47,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:51,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:37:57,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:01,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:03,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:38:03,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:03,842 INFO L93 Difference]: Finished difference Result 353 states and 489 transitions. [2024-11-13 15:38:03,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:38:03,846 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 73 [2024-11-13 15:38:03,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:03,848 INFO L225 Difference]: With dead ends: 353 [2024-11-13 15:38:03,848 INFO L226 Difference]: Without dead ends: 256 [2024-11-13 15:38:03,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 176 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=182, Invalid=684, Unknown=4, NotChecked=0, Total=870 [2024-11-13 15:38:03,850 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 1080 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:03,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 799 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1002 Invalid, 1 Unknown, 0 Unchecked, 52.2s Time] [2024-11-13 15:38:03,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-13 15:38:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 137. [2024-11-13 15:38:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 121 states have (on average 1.3471074380165289) internal successors, (163), 121 states have internal predecessors, (163), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:38:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 187 transitions. [2024-11-13 15:38:03,900 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 187 transitions. Word has length 73 [2024-11-13 15:38:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:03,900 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 187 transitions. [2024-11-13 15:38:03,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:38:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2024-11-13 15:38:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:38:03,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:03,902 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:03,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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)] Ended with exit code 0 [2024-11-13 15:38:04,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:38:04,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:04,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:38:04,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:04,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1004480084, now seen corresponding path program 1 times [2024-11-13 15:38:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:38:04,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17039249] [2024-11-13 15:38:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:04,303 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 15:38:04,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:38:04,305 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:38:04,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:38:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:04,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:38:04,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:04,793 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 62 treesize of output 26 [2024-11-13 15:38:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:38:04,853 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:38:04,853 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:38:04,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17039249] [2024-11-13 15:38:04,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17039249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:04,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:04,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:38:04,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820446399] [2024-11-13 15:38:04,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:04,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:38:04,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:38:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:38:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:38:04,855 INFO L87 Difference]: Start difference. First operand 137 states and 187 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:38:07,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:10,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:12,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:15,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:18,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:22,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:22,983 INFO L93 Difference]: Finished difference Result 319 states and 435 transitions. [2024-11-13 15:38:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:38:22,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:38:22,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:22,985 INFO L225 Difference]: With dead ends: 319 [2024-11-13 15:38:22,985 INFO L226 Difference]: Without dead ends: 185 [2024-11-13 15:38:22,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:38:22,987 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 54 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:22,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 374 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2024-11-13 15:38:22,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-13 15:38:23,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 137. [2024-11-13 15:38:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 121 states have (on average 1.3471074380165289) internal successors, (163), 121 states have internal predecessors, (163), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:38:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 187 transitions. [2024-11-13 15:38:23,005 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 187 transitions. Word has length 73 [2024-11-13 15:38:23,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:23,005 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 187 transitions. [2024-11-13 15:38:23,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:38:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2024-11-13 15:38:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:38:23,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:23,007 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:23,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:38:23,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:38:23,207 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:38:23,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:23,208 INFO L85 PathProgramCache]: Analyzing trace with hash -583867818, now seen corresponding path program 1 times [2024-11-13 15:38:23,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:38:23,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760440202] [2024-11-13 15:38:23,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:23,208 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 15:38:23,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:38:23,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:38:23,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (10)] Waiting until timeout for monitored process [2024-11-13 15:38:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:23,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 15:38:23,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:24,446 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 15:38:26,753 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 15:38:28,149 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 40 [2024-11-13 15:38:30,483 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 69 treesize of output 51 [2024-11-13 15:38:32,634 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 96 treesize of output 75 [2024-11-13 15:38:32,788 INFO L349 Elim1Store]: treesize reduction 99, result has 10.8 percent of original size [2024-11-13 15:38:32,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 144 [2024-11-13 15:38:33,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-13 15:38:33,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 38 treesize of output 13 [2024-11-13 15:38:38,057 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-13 15:38:38,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 290 treesize of output 193 [2024-11-13 15:38:39,340 INFO L349 Elim1Store]: treesize reduction 65, result has 14.5 percent of original size [2024-11-13 15:38:39,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 364 treesize of output 226 [2024-11-13 15:38:41,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:38:41,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 465 treesize of output 277 [2024-11-13 15:38:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:38:49,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:39:18,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:39:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760440202] [2024-11-13 15:39:18,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760440202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:39:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404837] [2024-11-13 15:39:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:39:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:39:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:39:18,866 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:39:18,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:39:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:19,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 15:39:19,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:39:20,019 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 15:39:22,547 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 20 [2024-11-13 15:39:23,690 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 37 treesize of output 28 [2024-11-13 15:39:25,710 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 48 treesize of output 31 [2024-11-13 15:39:27,505 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 64 treesize of output 51 [2024-11-13 15:39:27,663 INFO L349 Elim1Store]: treesize reduction 91, result has 11.7 percent of original size [2024-11-13 15:39:27,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 118 [2024-11-13 15:39:27,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 49 [2024-11-13 15:39:32,670 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:39:32,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 148 treesize of output 112 [2024-11-13 15:39:33,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:39:33,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 144 treesize of output 96 [2024-11-13 15:39:34,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:39:34,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 171 treesize of output 79 [2024-11-13 15:39:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:39:35,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:39:40,488 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_357 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_318 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 32)) (v_ArrVal_358 (_ BitVec 32)) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_357) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset v_ArrVal_358)))) (store (select .cse5 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_54|)) (let ((.cse0 (select (select .cse1 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (let ((.cse2 (let ((.cse3 (select (select (let ((.cse4 (store .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |v_skolemized_q#valueAsBitvector_54|)))) (store .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset v_ArrVal_318))) c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.eq .cse2 .cse2))))) is different from false [2024-11-13 15:39:40,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:39:40,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:39:40,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-13 15:39:40,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523488628] [2024-11-13 15:39:40,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:39:40,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 15:39:40,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:39:40,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 15:39:40,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=800, Unknown=9, NotChecked=58, Total=992 [2024-11-13 15:39:40,726 INFO L87 Difference]: Start difference. First operand 137 states and 187 transitions. Second operand has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:39:50,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:39:53,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:39:55,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:39:58,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:02,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:07,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:10,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:13,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:15,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:25,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:28,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:32,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:34,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:39,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:41,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:44,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:51,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:55,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:40:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:40:56,851 INFO L93 Difference]: Finished difference Result 394 states and 539 transitions. [2024-11-13 15:40:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:40:56,855 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 73 [2024-11-13 15:40:56,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:40:56,857 INFO L225 Difference]: With dead ends: 394 [2024-11-13 15:40:56,857 INFO L226 Difference]: Without dead ends: 260 [2024-11-13 15:40:56,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 56.3s TimeCoverageRelationStatistics Valid=288, Invalid=1347, Unknown=9, NotChecked=78, Total=1722 [2024-11-13 15:40:56,859 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 957 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 84 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:40:56,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 984 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1206 Invalid, 6 Unknown, 0 Unchecked, 69.6s Time] [2024-11-13 15:40:56,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-13 15:40:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 143. [2024-11-13 15:40:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 126 states have internal predecessors, (168), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:40:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 192 transitions. [2024-11-13 15:40:56,883 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 192 transitions. Word has length 73 [2024-11-13 15:40:56,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:40:56,883 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 192 transitions. [2024-11-13 15:40:56,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:40:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2024-11-13 15:40:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:40:56,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:56,885 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:56,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:40:57,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (10)] Ended with exit code 0 [2024-11-13 15:40:57,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:40:57,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:40:57,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash -52629486, now seen corresponding path program 1 times [2024-11-13 15:40:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:40:57,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372258916] [2024-11-13 15:40:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:57,287 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 15:40:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:40:57,288 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:40:57,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (12)] Waiting until timeout for monitored process [2024-11-13 15:40:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:57,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:40:57,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:40:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:40:57,679 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:40:57,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:40:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372258916] [2024-11-13 15:40:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372258916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:40:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:40:57,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:40:57,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179037299] [2024-11-13 15:40:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:40:57,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:40:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:40:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:40:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:40:57,680 INFO L87 Difference]: Start difference. First operand 143 states and 192 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:40:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:40:57,780 INFO L93 Difference]: Finished difference Result 283 states and 381 transitions. [2024-11-13 15:40:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:40:57,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-13 15:40:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:40:57,784 INFO L225 Difference]: With dead ends: 283 [2024-11-13 15:40:57,784 INFO L226 Difference]: Without dead ends: 143 [2024-11-13 15:40:57,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 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 15:40:57,785 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:40:57,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:40:57,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-13 15:40:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-13 15:40:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 126 states have (on average 1.3253968253968254) internal successors, (167), 126 states have internal predecessors, (167), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:40:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2024-11-13 15:40:57,807 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 73 [2024-11-13 15:40:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:40:57,807 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2024-11-13 15:40:57,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:40:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2024-11-13 15:40:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:40:57,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:57,809 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:57,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (12)] Forceful destruction successful, exit code 0 [2024-11-13 15:40:58,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:40:58,010 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:40:58,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:58,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1134772659, now seen corresponding path program 1 times [2024-11-13 15:40:58,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:40:58,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323871832] [2024-11-13 15:40:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:58,010 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 15:40:58,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:40:58,012 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:40:58,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:40:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:58,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:40:58,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:02,740 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 29 treesize of output 17 [2024-11-13 15:41:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:41:02,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:41:03,001 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_422 (Array (_ BitVec 32) (_ BitVec 32))) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (not (= ((_ extract 7 0) (select (select (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_422) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse0 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int#1| c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset))))))) (store (select .cse0 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset)) (_ bv0 8)))) is different from false [2024-11-13 15:41:03,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:41:03,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323871832] [2024-11-13 15:41:03,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323871832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:41:03,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676227017] [2024-11-13 15:41:03,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:03,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:03,200 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:41:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:41:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:03,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 15:41:03,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:06,712 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 29 treesize of output 17 [2024-11-13 15:41:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:41:06,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:41:06,899 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_454) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse0 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int#1| c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset))))))) (store (select .cse0 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset))))) is different from false [2024-11-13 15:41:07,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676227017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:41:07,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:41:07,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2024-11-13 15:41:07,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219383016] [2024-11-13 15:41:07,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:41:07,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:41:07,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:41:07,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:41:07,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=169, Unknown=2, NotChecked=54, Total=272 [2024-11-13 15:41:07,247 INFO L87 Difference]: Start difference. First operand 143 states and 191 transitions. Second operand has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:41:13,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:16,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:22,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:26,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:31,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:34,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:36,333 INFO L93 Difference]: Finished difference Result 347 states and 453 transitions. [2024-11-13 15:41:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:41:36,334 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-13 15:41:36,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:41:36,336 INFO L225 Difference]: With dead ends: 347 [2024-11-13 15:41:36,336 INFO L226 Difference]: Without dead ends: 207 [2024-11-13 15:41:36,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=148, Invalid=508, Unknown=2, NotChecked=98, Total=756 [2024-11-13 15:41:36,338 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 135 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 32 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:41:36,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 583 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 584 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2024-11-13 15:41:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-13 15:41:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 175. [2024-11-13 15:41:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 152 states have internal predecessors, (194), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:41:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2024-11-13 15:41:36,370 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 74 [2024-11-13 15:41:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:41:36,371 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2024-11-13 15:41:36,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:41:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2024-11-13 15:41:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:41:36,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:36,374 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:36,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:41:36,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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)] Ended with exit code 0 [2024-11-13 15:41:36,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:41:36,774 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:41:36,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash 744109924, now seen corresponding path program 1 times [2024-11-13 15:41:36,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:41:36,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485403399] [2024-11-13 15:41:36,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:36,775 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 15:41:36,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:41:36,780 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:41:36,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (15)] Waiting until timeout for monitored process [2024-11-13 15:41:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:37,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 15:41:37,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:38,145 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 15:41:40,432 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 15:41:41,867 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 40 [2024-11-13 15:41:44,071 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 69 treesize of output 51 [2024-11-13 15:41:46,300 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 0 case distinctions, treesize of input 96 treesize of output 75 [2024-11-13 15:41:46,459 INFO L349 Elim1Store]: treesize reduction 99, result has 10.8 percent of original size [2024-11-13 15:41:46,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 144 [2024-11-13 15:41:46,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2024-11-13 15:41:47,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 235 [2024-11-13 15:41:47,682 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-13 15:41:47,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 284 treesize of output 253 [2024-11-13 15:41:49,179 INFO L349 Elim1Store]: treesize reduction 65, result has 14.5 percent of original size [2024-11-13 15:41:49,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 316 treesize of output 202 [2024-11-13 15:41:52,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:41:52,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 442 treesize of output 266 [2024-11-13 15:42:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:42:01,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:27,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:42:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485403399] [2024-11-13 15:42:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485403399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626503164] [2024-11-13 15:42:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:27,377 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:27,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:42:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:27,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 15:42:27,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:28,547 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 15:42:31,068 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 20 [2024-11-13 15:42:32,316 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 20 [2024-11-13 15:42:33,830 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 40 treesize of output 20 [2024-11-13 15:42:35,471 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 56 treesize of output 45 [2024-11-13 15:42:35,608 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-13 15:42:35,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 104 [2024-11-13 15:42:35,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 59 treesize of output 34 [2024-11-13 15:42:40,531 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-13 15:42:40,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 147 treesize of output 108 [2024-11-13 15:42:41,604 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:42:41,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 191 treesize of output 127 [2024-11-13 15:42:43,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:42:43,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 262 treesize of output 162 [2024-11-13 15:42:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:42:47,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:43:18,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626503164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:43:18,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:43:18,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2024-11-13 15:43:18,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933057622] [2024-11-13 15:43:18,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:43:18,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 15:43:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:43:18,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 15:43:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=674, Unknown=4, NotChecked=0, Total=812 [2024-11-13 15:43:18,566 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-13 15:43:29,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:32,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:34,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:38,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:41,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:43,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:51,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:53,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:56,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:01,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:05,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:07,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:12,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:16,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:18,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:19,231 INFO L93 Difference]: Finished difference Result 370 states and 481 transitions. [2024-11-13 15:44:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:44:19,236 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 74 [2024-11-13 15:44:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:19,239 INFO L225 Difference]: With dead ends: 370 [2024-11-13 15:44:19,239 INFO L226 Difference]: Without dead ends: 225 [2024-11-13 15:44:19,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 172 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 73.2s TimeCoverageRelationStatistics Valid=290, Invalid=1188, Unknown=4, NotChecked=0, Total=1482 [2024-11-13 15:44:19,241 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 696 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 46 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:19,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 663 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 875 Invalid, 6 Unknown, 0 Unchecked, 54.9s Time] [2024-11-13 15:44:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-13 15:44:19,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 175. [2024-11-13 15:44:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 152 states have internal predecessors, (194), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:44:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2024-11-13 15:44:19,275 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 74 [2024-11-13 15:44:19,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:19,275 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2024-11-13 15:44:19,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-13 15:44:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2024-11-13 15:44:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:44:19,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:19,276 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:19,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 15:44:19,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 (15)] Forceful destruction successful, exit code 0 [2024-11-13 15:44:19,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:44:19,680 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:19,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:19,681 INFO L85 PathProgramCache]: Analyzing trace with hash -844237978, now seen corresponding path program 1 times [2024-11-13 15:44:19,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:44:19,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144373020] [2024-11-13 15:44:19,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:19,682 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 15:44:19,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:44:19,684 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:44:19,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:44:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:20,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 15:44:20,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:44:21,091 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 15:44:23,518 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 15:44:24,962 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 15:44:26,879 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 64 treesize of output 32 [2024-11-13 15:44:28,795 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 80 treesize of output 63 [2024-11-13 15:44:28,916 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-13 15:44:28,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-13 15:44:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:44:28,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 18 [2024-11-13 15:44:29,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 195 [2024-11-13 15:44:29,671 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-13 15:44:29,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 244 treesize of output 211 [2024-11-13 15:44:30,729 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:44:30,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-13 15:44:34,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:44:34,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 431 treesize of output 243 [2024-11-13 15:44:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:44:35,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:45:32,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:45:32,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144373020] [2024-11-13 15:45:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144373020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:45:32,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170631989] [2024-11-13 15:45:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:32,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:45:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:45:32,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:45:32,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:45:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:33,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 15:45:33,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:33,980 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 15:45:36,651 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 15:45:37,997 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 15:45:39,971 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 15:45:41,615 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 80 treesize of output 63 [2024-11-13 15:45:41,735 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-13 15:45:41,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-13 15:45:41,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 82 treesize of output 50 [2024-11-13 15:45:42,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 195 [2024-11-13 15:45:42,331 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-13 15:45:42,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 244 treesize of output 211 [2024-11-13 15:45:43,341 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:45:43,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-13 15:45:45,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:45:45,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 431 treesize of output 243 [2024-11-13 15:45:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 15:45:46,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:47:05,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170631989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:47:05,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:47:05,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 18 [2024-11-13 15:47:05,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011612274] [2024-11-13 15:47:05,011 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:47:05,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:47:05,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:47:05,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:47:05,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=968, Unknown=8, NotChecked=0, Total=1190 [2024-11-13 15:47:05,012 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:47:12,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:17,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:20,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:30,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:33,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:37,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:41,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:44,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:47,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:47:48,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:48,241 INFO L93 Difference]: Finished difference Result 376 states and 487 transitions. [2024-11-13 15:47:48,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:47:48,246 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 74 [2024-11-13 15:47:48,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:48,248 INFO L225 Difference]: With dead ends: 376 [2024-11-13 15:47:48,248 INFO L226 Difference]: Without dead ends: 231 [2024-11-13 15:47:48,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 166 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 143.3s TimeCoverageRelationStatistics Valid=476, Invalid=1868, Unknown=8, NotChecked=0, Total=2352 [2024-11-13 15:47:48,252 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 396 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:48,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 783 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1089 Invalid, 1 Unknown, 0 Unchecked, 37.1s Time] [2024-11-13 15:47:48,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-13 15:47:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 183. [2024-11-13 15:47:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 159 states have (on average 1.2893081761006289) internal successors, (205), 160 states have internal predecessors, (205), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:47:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 237 transitions. [2024-11-13 15:47:48,278 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 237 transitions. Word has length 74 [2024-11-13 15:47:48,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:48,279 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 237 transitions. [2024-11-13 15:47:48,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:47:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 237 transitions. [2024-11-13 15:47:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 15:47:48,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:48,280 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:48,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 15:47:48,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:47:48,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:47:48,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:48,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1262983735, now seen corresponding path program 1 times [2024-11-13 15:47:48,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:47:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115401213] [2024-11-13 15:47:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:48,682 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 15:47:48,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:47:48,687 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:47:48,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:47:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:49,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:47:49,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:47:49,275 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 20 treesize of output 12 [2024-11-13 15:47:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:47:49,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:47:49,372 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:47:49,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115401213] [2024-11-13 15:47:49,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115401213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:49,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:49,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:47:49,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870903902] [2024-11-13 15:47:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:49,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:47:49,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:47:49,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:47:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:47:49,373 INFO L87 Difference]: Start difference. First operand 183 states and 237 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:47:51,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:47:54,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:47:57,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:48:01,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:48:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:02,076 INFO L93 Difference]: Finished difference Result 336 states and 432 transitions. [2024-11-13 15:48:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:48:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 75 [2024-11-13 15:48:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:02,078 INFO L225 Difference]: With dead ends: 336 [2024-11-13 15:48:02,078 INFO L226 Difference]: Without dead ends: 183 [2024-11-13 15:48:02,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:48:02,079 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 5 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:02,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 270 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-11-13 15:48:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-13 15:48:02,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-11-13 15:48:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 157 states have internal predecessors, (196), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:48:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-11-13 15:48:02,115 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 75 [2024-11-13 15:48:02,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:02,116 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-11-13 15:48:02,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:48:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-11-13 15:48:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 15:48:02,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:02,117 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:02,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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)] Ended with exit code 0 [2024-11-13 15:48:02,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:48:02,322 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:02,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1938047022, now seen corresponding path program 1 times [2024-11-13 15:48:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:48:02,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118609725] [2024-11-13 15:48:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:02,323 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 15:48:02,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:48:02,324 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:48:02,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/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 15:48:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:02,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 15:48:02,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:48:03,499 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 15:48:05,907 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 19 [2024-11-13 15:48:07,037 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 19 [2024-11-13 15:48:08,724 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 39 treesize of output 19 [2024-11-13 15:48:10,409 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 55 treesize of output 44 [2024-11-13 15:48:10,519 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-13 15:48:10,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 103 [2024-11-13 15:48:10,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 54 treesize of output 29 [2024-11-13 15:48:11,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 138 [2024-11-13 15:48:11,143 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-13 15:48:11,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 187 treesize of output 172 [2024-11-13 15:48:11,881 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-13 15:48:11,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 200 treesize of output 128 [2024-11-13 15:48:12,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:48:12,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 260 treesize of output 156 [2024-11-13 15:48:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:48:13,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:48:32,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:48:32,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118609725] [2024-11-13 15:48:32,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118609725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:48:32,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060096185] [2024-11-13 15:48:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:32,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:48:32,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:48:32,997 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:48:32,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa72e083-d5e9-4c73-962b-9a4530c9515f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 15:48:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:33,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 15:48:33,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:48:33,938 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 15:48:38,775 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 62 treesize of output 30 [2024-11-13 15:48:40,139 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 59 treesize of output 38 [2024-11-13 15:48:42,187 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 67 treesize of output 49 [2024-11-13 15:48:44,154 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 94 treesize of output 73 [2024-11-13 15:48:44,266 INFO L349 Elim1Store]: treesize reduction 99, result has 10.8 percent of original size [2024-11-13 15:48:44,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 142 [2024-11-13 15:48:44,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 57 [2024-11-13 15:48:45,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 136 [2024-11-13 15:48:45,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 131 [2024-11-13 15:48:46,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:48:46,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 231 treesize of output 107 [2024-11-13 15:48:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 41 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:48:46,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:49:12,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060096185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:49:12,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:49:12,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18] total 29 [2024-11-13 15:49:12,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346312347] [2024-11-13 15:49:12,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:49:12,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:49:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:49:12,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:49:12,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1015, Unknown=3, NotChecked=0, Total=1190 [2024-11-13 15:49:12,069 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 30 states, 28 states have (on average 3.107142857142857) internal successors, (87), 27 states have internal predecessors, (87), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-13 15:49:30,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:34,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:38,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:41,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:42,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:45,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:50,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:54,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:49:59,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:50:01,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:50:05,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:50:07,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:50:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:50:22,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]