./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.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_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/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_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/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_f0933b8c-1b23-4fd3-940d-6798dd731d46/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 99d92429afe7a1d3dd5b770cdd3a3c403da1aa6e04070cb3749a858d645383e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:17:44,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:17:44,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:17:44,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:17:44,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:17:44,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:17:44,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:17:44,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:17:44,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:17:44,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:17:44,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:17:44,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:17:44,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:17:44,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:17:44,235 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:17:44,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:17:44,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:17:44,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:17:44,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:17:44,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:44,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:17:44,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:17:44,240 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/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 -> 99d92429afe7a1d3dd5b770cdd3a3c403da1aa6e04070cb3749a858d645383e6 [2024-11-13 15:17:44,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:17:44,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:17:44,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:17:44,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:17:44,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:17:44,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i Unable to find full path for "g++" [2024-11-13 15:17:46,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:17:46,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:17:46,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i [2024-11-13 15:17:46,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/21ecc338d/38c424411f584ad9b1258b60beb5c2cc/FLAG7e4b40145 [2024-11-13 15:17:46,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/21ecc338d/38c424411f584ad9b1258b60beb5c2cc [2024-11-13 15:17:46,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:17:46,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:17:46,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:46,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:17:46,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:17:46,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:46" (1/1) ... [2024-11-13 15:17:46,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4249a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:46, skipping insertion in model container [2024-11-13 15:17:46,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:46" (1/1) ... [2024-11-13 15:17:46,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:17:47,069 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i[916,929] [2024-11-13 15:17:47,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:47,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:17:47,167 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i[916,929] [2024-11-13 15:17:47,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:47,260 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:17:47,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47 WrapperNode [2024-11-13 15:17:47,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:47,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:47,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:17:47,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:17:47,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,339 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2024-11-13 15:17:47,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:47,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:17:47,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:17:47,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:17:47,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,395 INFO L175 MemorySlicer]: Split 110 memory accesses to 6 slices as follows [2, 16, 21, 39, 9, 23]. 35 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 3, 3, 1, 2]. The 15 writes are split as follows [0, 2, 4, 5, 2, 2]. [2024-11-13 15:17:47,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:17:47,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:17:47,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:17:47,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:17:47,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (1/1) ... [2024-11-13 15:17:47,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:47,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:47,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:17:47,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:17:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:17:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:17:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:17:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:17:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:17:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:17:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:17:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 15:17:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 15:17:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 15:17:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 15:17:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:17:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:17:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:17:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:17:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:17:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:17:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 15:17:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 15:17:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 15:17:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 15:17:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 15:17:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 15:17:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:17:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:17:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:17:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:17:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:17:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:17:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:17:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:17:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:17:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:17:47,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:17:47,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:17:48,218 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-13 15:17:48,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:17:48,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:17:48,231 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:17:48,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:48 BoogieIcfgContainer [2024-11-13 15:17:48,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:17:48,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:17:48,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:17:48,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:17:48,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:17:46" (1/3) ... [2024-11-13 15:17:48,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21591a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:48, skipping insertion in model container [2024-11-13 15:17:48,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:47" (2/3) ... [2024-11-13 15:17:48,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21591a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:48, skipping insertion in model container [2024-11-13 15:17:48,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:48" (3/3) ... [2024-11-13 15:17:48,241 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-78.i [2024-11-13 15:17:48,259 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:17:48,260 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-78.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:17:48,360 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:17:48,376 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;@6347e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:17:48,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:17:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:17:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:17:48,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:48,395 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:48,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:17:48,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash -543187972, now seen corresponding path program 1 times [2024-11-13 15:17:48,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:48,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284109549] [2024-11-13 15:17:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:17:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:17:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:17:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:17:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:17:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:17:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:17:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:17:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:17:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:17:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:17:48,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:48,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284109549] [2024-11-13 15:17:48,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284109549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:48,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:17:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804816859] [2024-11-13 15:17:48,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:48,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:17:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:17:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:17:48,880 INFO L87 Difference]: Start difference. First operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:17:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:17:48,906 INFO L93 Difference]: Finished difference Result 179 states and 276 transitions. [2024-11-13 15:17:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:17:48,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2024-11-13 15:17:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:17:48,914 INFO L225 Difference]: With dead ends: 179 [2024-11-13 15:17:48,915 INFO L226 Difference]: Without dead ends: 89 [2024-11-13 15:17:48,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 15:17:48,921 INFO L432 NwaCegarLoop]: 129 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, 129 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 15:17:48,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:17:48,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-13 15:17:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-13 15:17:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:17:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2024-11-13 15:17:48,976 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 98 [2024-11-13 15:17:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:48,978 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2024-11-13 15:17:48,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:17:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2024-11-13 15:17:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:17:48,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:48,985 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:48,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:17:48,986 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:17:48,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1810712056, now seen corresponding path program 1 times [2024-11-13 15:17:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:48,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134658551] [2024-11-13 15:17:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:48,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:17:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:17:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:17:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:17:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:17:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:17:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:17:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:17:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:17:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:17:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:17:49,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:49,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134658551] [2024-11-13 15:17:49,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134658551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:49,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:49,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:17:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89012230] [2024-11-13 15:17:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:49,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:17:49,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:49,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:17:49,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:17:49,580 INFO L87 Difference]: Start difference. First operand 89 states and 129 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:17:49,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:17:49,659 INFO L93 Difference]: Finished difference Result 177 states and 258 transitions. [2024-11-13 15:17:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:17:49,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-11-13 15:17:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:17:49,662 INFO L225 Difference]: With dead ends: 177 [2024-11-13 15:17:49,664 INFO L226 Difference]: Without dead ends: 91 [2024-11-13 15:17:49,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 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 15:17:49,666 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:17:49,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:17:49,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-13 15:17:49,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-13 15:17:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:17:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2024-11-13 15:17:49,686 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 98 [2024-11-13 15:17:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:49,688 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2024-11-13 15:17:49,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:17:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2024-11-13 15:17:49,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:17:49,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:49,690 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:49,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:17:49,693 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:17:49,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:49,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1943830781, now seen corresponding path program 1 times [2024-11-13 15:17:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:49,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217626156] [2024-11-13 15:17:49,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:17:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:17:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:17:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:17:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:17:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:17:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:17:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:17:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:17:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:17:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:17:50,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:50,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217626156] [2024-11-13 15:17:50,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217626156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:50,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:50,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:17:50,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142328317] [2024-11-13 15:17:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:50,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:17:50,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:50,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:17:50,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:17:50,179 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:17:50,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:17:50,291 INFO L93 Difference]: Finished difference Result 267 states and 387 transitions. [2024-11-13 15:17:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:17:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 100 [2024-11-13 15:17:50,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:17:50,297 INFO L225 Difference]: With dead ends: 267 [2024-11-13 15:17:50,297 INFO L226 Difference]: Without dead ends: 179 [2024-11-13 15:17:50,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:17:50,301 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 83 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:17:50,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 355 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:17:50,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-13 15:17:50,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2024-11-13 15:17:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.4052287581699345) internal successors, (215), 153 states have internal predecessors, (215), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:17:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 255 transitions. [2024-11-13 15:17:50,335 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 255 transitions. Word has length 100 [2024-11-13 15:17:50,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:50,336 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 255 transitions. [2024-11-13 15:17:50,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:17:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2024-11-13 15:17:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:17:50,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:50,341 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:50,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:17:50,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:17:50,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1330068161, now seen corresponding path program 1 times [2024-11-13 15:17:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:50,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126867600] [2024-11-13 15:17:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:50,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:17:50,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:17:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:17:50,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:17:50,617 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:17:50,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:17:50,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:17:50,623 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 15:17:50,727 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:17:50,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:17:50 BoogieIcfgContainer [2024-11-13 15:17:50,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:17:50,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:17:50,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:17:50,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:17:50,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:48" (3/4) ... [2024-11-13 15:17:50,739 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:17:50,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:17:50,741 INFO L158 Benchmark]: Toolchain (without parser) took 3881.04ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 44.3MB in the end (delta: 47.5MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 15:17:50,742 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:50,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.25ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:17:50,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:50,743 INFO L158 Benchmark]: Boogie Preprocessor took 113.55ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.8MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:17:50,743 INFO L158 Benchmark]: RCFGBuilder took 773.02ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 42.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:17:50,747 INFO L158 Benchmark]: TraceAbstraction took 2500.06ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 44.3MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:50,748 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:17:50,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.25ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 113.55ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.8MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 773.02ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 42.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2500.06ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 44.3MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 117.4MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 9.2kB). 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 someBinaryArithmeticDOUBLEoperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] double double_Array_0[3] = { 128.5, 0.0, 127.875 }; [L25-L27] double double_Array_0[3] = { 128.5, 0.0, 127.875 }; [L25-L27] double double_Array_0[3] = { 128.5, 0.0, 127.875 }; [L25-L27] double double_Array_0[3] = { 128.5, 0.0, 127.875 }; [L28-L30] float float_Array_0[3] = { 100.55, 4.75, 128.75 }; [L28-L30] float float_Array_0[3] = { 100.55, 4.75, 128.75 }; [L28-L30] float float_Array_0[3] = { 100.55, 4.75, 128.75 }; [L28-L30] float float_Array_0[3] = { 100.55, 4.75, 128.75 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -200 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -200 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 16, 1 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 16, 1 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 16, 1 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] double_Array_0[1] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[1] [L76] EXPR double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] EXPR double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F [L76] EXPR double_Array_0[1] [L76] EXPR double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] EXPR (double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] EXPR (double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] CALL assume_abort_if_not((double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] RET assume_abort_if_not((double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] double_Array_0[2] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[2] [L78] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L78] EXPR double_Array_0[2] [L78] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[1] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[2] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854765600e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854765600e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854765600e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854765600e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L98] RET updateVariables() [L99] CALL step() [L40] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L40] COND FALSE !(0.8f > (- float_Array_0[1])) [L43] EXPR unsigned_char_Array_0[1] [L43] EXPR unsigned_char_Array_0[1] [L43] unsigned char stepLocal_1 = unsigned_char_Array_0[1] > unsigned_char_Array_0[1]; [L44] EXPR BOOL_unsigned_char_Array_0[0] [L44] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L45] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[1] && stepLocal_0) [L52] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L52] COND TRUE BOOL_unsigned_char_Array_0[1] [L53] EXPR float_Array_0[1] [L53] EXPR float_Array_0[2] [L53] float_Array_0[0] = (float_Array_0[1] - float_Array_0[2]) [L61] EXPR signed_long_int_Array_0[0] [L61] signed long int stepLocal_2 = signed_long_int_Array_0[0]; [L62] COND FALSE !(stepLocal_2 <= ((((8u) < 0 ) ? -(8u) : (8u)))) [L65] EXPR double_Array_0[1] [L65] EXPR double_Array_0[2] [L65] EXPR float_Array_0[2] [L65] double_Array_0[0] = ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2]) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR BOOL_unsigned_char_Array_0[1] [L90] EXPR BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR (BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1 [L90] EXPR (BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1])))) [L90] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))) [L90] EXPR float_Array_0[0] [L90] EXPR float_Array_0[1] [L90] EXPR float_Array_0[2] [L90] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR (((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))))) && ((signed_long_int_Array_0[0] <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (double_Array_0[0] == ((double) (float_Array_0[1] - 99.5))) : (double_Array_0[0] == ((double) ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR (((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))))) && ((signed_long_int_Array_0[0] <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (double_Array_0[0] == ((double) (float_Array_0[1] - 99.5))) : (double_Array_0[0] == ((double) ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR ((((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))))) && ((signed_long_int_Array_0[0] <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (double_Array_0[0] == ((double) (float_Array_0[1] - 99.5))) : (double_Array_0[0] == ((double) ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2]))))) && ((0.8f > (- float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR ((((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))))) && ((signed_long_int_Array_0[0] <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (double_Array_0[0] == ((double) (float_Array_0[1] - 99.5))) : (double_Array_0[0] == ((double) ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2]))))) && ((0.8f > (- float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90-L91] return ((((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? ((BOOL_unsigned_char_Array_0[1] && (unsigned_char_Array_0[1] > unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[1] - unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[0] == ((signed long int) ((unsigned_char_Array_0[1] + 5) - unsigned_char_Array_0[1])))) : 1) && (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[0] == ((float) (float_Array_0[1] - float_Array_0[2]))) : ((signed_long_int_Array_0[0] < unsigned_char_Array_0[1]) ? (float_Array_0[0] == ((float) ((((float_Array_0[2]) > (float_Array_0[1])) ? (float_Array_0[2]) : (float_Array_0[1]))))) : (float_Array_0[0] == ((float) float_Array_0[1]))))) && ((signed_long_int_Array_0[0] <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (double_Array_0[0] == ((double) (float_Array_0[1] - 99.5))) : (double_Array_0[0] == ((double) ((double_Array_0[1] - double_Array_0[2]) - float_Array_0[2]))))) && ((0.8f > (- float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 854 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 478 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 376 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 540/540 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 15:17:50,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/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_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/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_f0933b8c-1b23-4fd3-940d-6798dd731d46/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 99d92429afe7a1d3dd5b770cdd3a3c403da1aa6e04070cb3749a858d645383e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:17:53,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:17:53,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:17:53,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:17:53,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:17:53,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:17:53,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:17:53,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:17:53,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:17:53,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:17:53,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:17:53,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:17:53,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:17:53,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:17:53,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:17:53,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:17:53,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:17:53,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:17:53,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:17:53,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:17:53,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:17:53,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:17:53,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:17:53,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:17:53,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:17:53,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:17:53,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:17:53,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:17:53,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:53,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:17:53,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:17:53,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:17:53,764 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:17:53,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:17:53,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:17:53,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:17:53,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:17:53,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:17:53,765 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/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 -> 99d92429afe7a1d3dd5b770cdd3a3c403da1aa6e04070cb3749a858d645383e6 [2024-11-13 15:17:54,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:17:54,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:17:54,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:17:54,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:17:54,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:17:54,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i Unable to find full path for "g++" [2024-11-13 15:17:56,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:17:56,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:17:56,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i [2024-11-13 15:17:56,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/8540809e5/b8010e1100f941168b94eeb165b7e740/FLAG228bc0ee6 [2024-11-13 15:17:56,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/data/8540809e5/b8010e1100f941168b94eeb165b7e740 [2024-11-13 15:17:56,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:17:56,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:17:56,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:56,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:17:56,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:17:56,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:56" (1/1) ... [2024-11-13 15:17:56,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a16983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:56, skipping insertion in model container [2024-11-13 15:17:56,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:56" (1/1) ... [2024-11-13 15:17:56,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:17:56,826 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i[916,929] [2024-11-13 15:17:56,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:56,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:17:56,977 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_f0933b8c-1b23-4fd3-940d-6798dd731d46/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-78.i[916,929] [2024-11-13 15:17:57,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:57,066 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:17:57,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57 WrapperNode [2024-11-13 15:17:57,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:57,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:57,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:17:57,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:17:57,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,165 INFO L138 Inliner]: procedures = 36, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2024-11-13 15:17:57,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:57,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:17:57,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:17:57,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:17:57,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,244 INFO L175 MemorySlicer]: Split 110 memory accesses to 6 slices as follows [2, 16, 21, 39, 9, 23]. 35 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 3, 3, 1, 2]. The 15 writes are split as follows [0, 2, 4, 5, 2, 2]. [2024-11-13 15:17:57,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:17:57,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:17:57,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:17:57,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:17:57,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (1/1) ... [2024-11-13 15:17:57,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:57,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:17:57,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-13 15:17:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-13 15:17:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-13 15:17:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 15:17:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 15:17:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-13 15:17:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-13 15:17:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 15:17:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 15:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 15:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 15:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 15:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-13 15:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-13 15:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-13 15:17:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 15:17:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:17:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:17:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:17:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 15:17:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 15:17:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 15:17:57,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:17:57,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:17:59,646 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-13 15:17:59,646 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:17:59,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:17:59,660 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:17:59,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:59 BoogieIcfgContainer [2024-11-13 15:17:59,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:17:59,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:17:59,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:17:59,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:17:59,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:17:56" (1/3) ... [2024-11-13 15:17:59,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c98c595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:59, skipping insertion in model container [2024-11-13 15:17:59,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:57" (2/3) ... [2024-11-13 15:17:59,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c98c595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:17:59, skipping insertion in model container [2024-11-13 15:17:59,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:17:59" (3/3) ... [2024-11-13 15:17:59,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-78.i [2024-11-13 15:17:59,688 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:17:59,690 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-78.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:17:59,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:17:59,778 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;@79c3be6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:17:59,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:17:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:17:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:17:59,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:59,805 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:59,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:17:59,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:59,811 INFO L85 PathProgramCache]: Analyzing trace with hash -543187972, now seen corresponding path program 1 times [2024-11-13 15:17:59,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:17:59,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680509599] [2024-11-13 15:17:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:59,822 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 15:17:59,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:17:59,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:17:59,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:00,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:18:00,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 15:18:00,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:00,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:00,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680509599] [2024-11-13 15:18:00,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680509599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:00,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:00,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:18:00,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488291799] [2024-11-13 15:18:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:00,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:18:00,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:00,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:18:00,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:18:00,548 INFO L87 Difference]: Start difference. First operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:00,585 INFO L93 Difference]: Finished difference Result 179 states and 276 transitions. [2024-11-13 15:18:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:18:00,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2024-11-13 15:18:00,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:00,597 INFO L225 Difference]: With dead ends: 179 [2024-11-13 15:18:00,597 INFO L226 Difference]: Without dead ends: 89 [2024-11-13 15:18:00,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 15:18:00,608 INFO L432 NwaCegarLoop]: 129 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, 129 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 15:18:00,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:18:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-13 15:18:00,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-13 15:18:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:18:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2024-11-13 15:18:00,676 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 98 [2024-11-13 15:18:00,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:00,676 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2024-11-13 15:18:00,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2024-11-13 15:18:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:18:00,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:00,681 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:00,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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)] Ended with exit code 0 [2024-11-13 15:18:00,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:00,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:00,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1810712056, now seen corresponding path program 1 times [2024-11-13 15:18:00,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:00,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501002068] [2024-11-13 15:18:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:00,888 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 15:18:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:00,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:00,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:01,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:18:01,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:18:02,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:02,188 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:02,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501002068] [2024-11-13 15:18:02,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501002068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:02,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:02,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:18:02,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768013197] [2024-11-13 15:18:02,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:02,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:18:02,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:18:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:18:02,192 INFO L87 Difference]: Start difference. First operand 89 states and 129 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:18:03,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:04,180 INFO L93 Difference]: Finished difference Result 261 states and 381 transitions. [2024-11-13 15:18:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:18:04,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-11-13 15:18:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:04,183 INFO L225 Difference]: With dead ends: 261 [2024-11-13 15:18:04,183 INFO L226 Difference]: Without dead ends: 175 [2024-11-13 15:18:04,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 15:18:04,184 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 70 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:04,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 355 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 15:18:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-13 15:18:04,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-13 15:18:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.4161073825503356) internal successors, (211), 149 states have internal predecessors, (211), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 251 transitions. [2024-11-13 15:18:04,222 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 251 transitions. Word has length 98 [2024-11-13 15:18:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:04,222 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 251 transitions. [2024-11-13 15:18:04,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:18:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 251 transitions. [2024-11-13 15:18:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:18:04,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:04,224 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-13 15:18:04,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:04,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:04,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:04,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1473137990, now seen corresponding path program 1 times [2024-11-13 15:18:04,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:04,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388407140] [2024-11-13 15:18:04,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:04,426 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 15:18:04,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:04,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:04,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:05,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:18:05,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:18:05,056 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:05,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:05,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388407140] [2024-11-13 15:18:05,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388407140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:05,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:05,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:18:05,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484270568] [2024-11-13 15:18:05,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:05,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:18:05,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:05,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:18:05,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:18:05,058 INFO L87 Difference]: Start difference. First operand 172 states and 251 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:18:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:05,124 INFO L93 Difference]: Finished difference Result 345 states and 505 transitions. [2024-11-13 15:18:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:18:05,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-11-13 15:18:05,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:05,127 INFO L225 Difference]: With dead ends: 345 [2024-11-13 15:18:05,127 INFO L226 Difference]: Without dead ends: 176 [2024-11-13 15:18:05,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 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 15:18:05,128 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:05,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:18:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-13 15:18:05,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-13 15:18:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.4052287581699345) internal successors, (215), 153 states have internal predecessors, (215), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 255 transitions. [2024-11-13 15:18:05,148 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 255 transitions. Word has length 98 [2024-11-13 15:18:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:05,149 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 255 transitions. [2024-11-13 15:18:05,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:18:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2024-11-13 15:18:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:18:05,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:05,154 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:05,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-13 15:18:05,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:05,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:05,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:05,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1330068161, now seen corresponding path program 1 times [2024-11-13 15:18:05,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:05,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127632480] [2024-11-13 15:18:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:05,356 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 15:18:05,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:05,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:05,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:05,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:18:05,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:06,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:18:06,276 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 175 treesize of output 67 [2024-11-13 15:18:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:18:06,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:06,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:06,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127632480] [2024-11-13 15:18:06,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127632480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:06,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:06,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:18:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964935280] [2024-11-13 15:18:06,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:06,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:18:06,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:18:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:18:06,377 INFO L87 Difference]: Start difference. First operand 176 states and 255 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:08,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:11,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:11,997 INFO L93 Difference]: Finished difference Result 351 states and 509 transitions. [2024-11-13 15:18:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:18:12,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-13 15:18:12,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:12,003 INFO L225 Difference]: With dead ends: 351 [2024-11-13 15:18:12,004 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:18:12,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:18:12,007 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 109 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:12,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 380 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-13 15:18:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:18:12,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-13 15:18:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 253 transitions. [2024-11-13 15:18:12,057 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 253 transitions. Word has length 100 [2024-11-13 15:18:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:12,058 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 253 transitions. [2024-11-13 15:18:12,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 253 transitions. [2024-11-13 15:18:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:18:12,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:12,064 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:12,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:12,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:12,265 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:12,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:12,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1339997863, now seen corresponding path program 1 times [2024-11-13 15:18:12,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:12,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369607237] [2024-11-13 15:18:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:12,267 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 15:18:12,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:12,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:12,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:12,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:18:12,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:13,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:18:13,241 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 173 treesize of output 65 [2024-11-13 15:18:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 15:18:13,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:13,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:13,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369607237] [2024-11-13 15:18:13,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369607237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:13,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:13,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:18:13,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430976109] [2024-11-13 15:18:13,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:13,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:18:13,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:18:13,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:18:13,311 INFO L87 Difference]: Start difference. First operand 176 states and 253 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:15,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:17,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:17,989 INFO L93 Difference]: Finished difference Result 351 states and 505 transitions. [2024-11-13 15:18:17,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:18:17,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-11-13 15:18:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:17,991 INFO L225 Difference]: With dead ends: 351 [2024-11-13 15:18:17,992 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:18:17,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:18:17,994 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 99 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:17,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 373 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-13 15:18:17,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:18:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-13 15:18:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 153 states have internal predecessors, (211), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 251 transitions. [2024-11-13 15:18:18,019 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 251 transitions. Word has length 102 [2024-11-13 15:18:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:18,020 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 251 transitions. [2024-11-13 15:18:18,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 251 transitions. [2024-11-13 15:18:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 15:18:18,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:18,022 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:18,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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)] Ended with exit code 0 [2024-11-13 15:18:18,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:18,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:18,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash -985790207, now seen corresponding path program 1 times [2024-11-13 15:18:18,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:18,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211182292] [2024-11-13 15:18:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:18,224 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 15:18:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:18,226 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:18,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:18,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:18:18,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:19,255 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 95 treesize of output 41 [2024-11-13 15:18:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:18:19,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:19,324 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:19,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211182292] [2024-11-13 15:18:19,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211182292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:19,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:19,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:18:19,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121449271] [2024-11-13 15:18:19,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:19,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:18:19,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:19,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:18:19,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:18:19,326 INFO L87 Difference]: Start difference. First operand 176 states and 251 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:21,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:24,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:24,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:24,470 INFO L93 Difference]: Finished difference Result 351 states and 501 transitions. [2024-11-13 15:18:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:18:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2024-11-13 15:18:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:24,473 INFO L225 Difference]: With dead ends: 351 [2024-11-13 15:18:24,474 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:18:24,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:18:24,476 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 90 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:24,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 357 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 15:18:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:18:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-13 15:18:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.3660130718954249) internal successors, (209), 153 states have internal predecessors, (209), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2024-11-13 15:18:24,494 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 104 [2024-11-13 15:18:24,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:24,494 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2024-11-13 15:18:24,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2024-11-13 15:18:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 15:18:24,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:24,497 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:24,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:24,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:24,697 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:24,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash -342968601, now seen corresponding path program 1 times [2024-11-13 15:18:24,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:24,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136935527] [2024-11-13 15:18:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:24,698 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 15:18:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:24,700 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:24,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-13 15:18:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:25,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:18:25,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:25,709 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 95 treesize of output 41 [2024-11-13 15:18:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 15:18:25,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:25,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:25,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136935527] [2024-11-13 15:18:25,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136935527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:25,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:25,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:18:25,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696116413] [2024-11-13 15:18:25,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:25,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:18:25,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:25,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:18:25,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:18:25,783 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:28,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:31,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:32,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:32,081 INFO L93 Difference]: Finished difference Result 351 states and 497 transitions. [2024-11-13 15:18:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:18:32,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-13 15:18:32,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:32,083 INFO L225 Difference]: With dead ends: 351 [2024-11-13 15:18:32,083 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:18:32,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:18:32,085 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 82 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:32,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 352 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-13 15:18:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:18:32,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-13 15:18:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 153 states have internal predecessors, (207), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 247 transitions. [2024-11-13 15:18:32,101 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 247 transitions. Word has length 106 [2024-11-13 15:18:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:32,102 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 247 transitions. [2024-11-13 15:18:32,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 15:18:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 247 transitions. [2024-11-13 15:18:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 15:18:32,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:32,105 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:32,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-13 15:18:32,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:32,305 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:32,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:32,306 INFO L85 PathProgramCache]: Analyzing trace with hash -103234365, now seen corresponding path program 1 times [2024-11-13 15:18:32,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:32,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706108173] [2024-11-13 15:18:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:32,306 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 15:18:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:32,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:32,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:32,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:18:32,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 15:18:33,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:18:33,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:33,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706108173] [2024-11-13 15:18:33,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706108173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:18:33,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:18:33,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:18:33,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167904979] [2024-11-13 15:18:33,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:18:33,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:18:33,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:33,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:18:33,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:18:33,077 INFO L87 Difference]: Start difference. First operand 176 states and 247 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:18:33,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:33,356 INFO L93 Difference]: Finished difference Result 357 states and 501 transitions. [2024-11-13 15:18:33,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:18:33,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 108 [2024-11-13 15:18:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:33,360 INFO L225 Difference]: With dead ends: 357 [2024-11-13 15:18:33,361 INFO L226 Difference]: Without dead ends: 180 [2024-11-13 15:18:33,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:18:33,363 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:33,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 528 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:18:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-13 15:18:33,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 176. [2024-11-13 15:18:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 245 transitions. [2024-11-13 15:18:33,382 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 245 transitions. Word has length 108 [2024-11-13 15:18:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:33,383 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 245 transitions. [2024-11-13 15:18:33,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:18:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 245 transitions. [2024-11-13 15:18:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 15:18:33,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:33,385 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:33,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:33,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:33,586 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:33,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash 794158913, now seen corresponding path program 1 times [2024-11-13 15:18:33,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:33,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568903226] [2024-11-13 15:18:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:33,587 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 15:18:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:33,589 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:34,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:18:34,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:18:34,625 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 19 treesize of output 1 [2024-11-13 15:18:35,408 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 78 treesize of output 32 [2024-11-13 15:18:36,035 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 86 treesize of output 32 [2024-11-13 15:18:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 99 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 15:18:36,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:18:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 15:18:37,114 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:18:37,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568903226] [2024-11-13 15:18:37,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568903226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:18:37,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:18:37,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-11-13 15:18:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010528948] [2024-11-13 15:18:37,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:18:37,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 15:18:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:18:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 15:18:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:18:37,117 INFO L87 Difference]: Start difference. First operand 176 states and 245 transitions. Second operand has 17 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 15:18:42,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:43,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:46,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:50,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:55,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:56,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:57,171 INFO L93 Difference]: Finished difference Result 534 states and 733 transitions. [2024-11-13 15:18:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 15:18:57,172 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) Word has length 108 [2024-11-13 15:18:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:57,176 INFO L225 Difference]: With dead ends: 534 [2024-11-13 15:18:57,177 INFO L226 Difference]: Without dead ends: 361 [2024-11-13 15:18:57,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:18:57,178 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 366 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:57,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 923 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2024-11-13 15:18:57,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-13 15:18:57,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 184. [2024-11-13 15:18:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 159 states have (on average 1.3144654088050314) internal successors, (209), 159 states have internal predecessors, (209), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:18:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 249 transitions. [2024-11-13 15:18:57,220 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 249 transitions. Word has length 108 [2024-11-13 15:18:57,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:57,221 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 249 transitions. [2024-11-13 15:18:57,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 15:18:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 249 transitions. [2024-11-13 15:18:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 15:18:57,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:57,226 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:57,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:57,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:57,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:18:57,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash 575304195, now seen corresponding path program 1 times [2024-11-13 15:18:57,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:18:57,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956186883] [2024-11-13 15:18:57,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:57,428 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 15:18:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:18:57,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -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 15:18:57,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-13 15:19:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:22,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 15:19:22,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:23,035 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 19 treesize of output 1 [2024-11-13 15:19:23,952 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 78 treesize of output 32 [2024-11-13 15:19:27,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:19:27,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 204 treesize of output 99 [2024-11-13 15:19:35,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:19:35,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 343 treesize of output 127 [2024-11-13 15:19:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 15:19:37,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:51,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:51,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956186883] [2024-11-13 15:19:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956186883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:19:51,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590133808] [2024-11-13 15:19:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:51,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,163 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0933b8c-1b23-4fd3-940d-6798dd731d46/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process