./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:44:52,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:44:52,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 19:44:52,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:44:52,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:44:52,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:44:52,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:44:52,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:44:52,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:44:52,606 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:44:52,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:44:52,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:44:52,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:44:52,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:44:52,606 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:44:52,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:44:52,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:44:52,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:44:52,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:44:52,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:44:52,608 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f [2025-02-07 19:44:52,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:44:52,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:44:52,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:44:52,868 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:44:52,868 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:44:52,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2025-02-07 19:44:53,984 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9d1c964/224f039d6d5240599bf96f0f14e410bb/FLAG62e6f9d7e [2025-02-07 19:44:54,395 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:44:54,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2025-02-07 19:44:54,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9d1c964/224f039d6d5240599bf96f0f14e410bb/FLAG62e6f9d7e [2025-02-07 19:44:54,550 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9d1c964/224f039d6d5240599bf96f0f14e410bb [2025-02-07 19:44:54,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:44:54,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:44:54,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:44:54,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:44:54,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:44:54,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:44:54" (1/1) ... [2025-02-07 19:44:54,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e7e311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:54, skipping insertion in model container [2025-02-07 19:44:54,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:44:54" (1/1) ... [2025-02-07 19:44:54,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:44:55,073 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3266) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3110) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2345) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1265) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-07 19:44:55,078 INFO L158 Benchmark]: Toolchain (without parser) took 525.48ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 97.5MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 19:44:55,079 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:44:55,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.12ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 97.5MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 19:44:55,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.12ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 97.5MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:44:56,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:44:56,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 19:44:56,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:44:56,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:44:56,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:44:56,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:44:56,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:44:56,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:44:56,862 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:44:56,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:44:56,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:44:56,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:44:56,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:44:56,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:44:56,864 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:44:56,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:44:56,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:44:56,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:44:56,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:44:56,866 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f [2025-02-07 19:44:57,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:44:57,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:44:57,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:44:57,112 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:44:57,113 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:44:57,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2025-02-07 19:44:58,289 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7c1d7b4f/ec3d55b504a24421be35f4f14521f3e4/FLAG5ee57a138 [2025-02-07 19:44:58,664 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:44:58,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2025-02-07 19:44:58,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7c1d7b4f/ec3d55b504a24421be35f4f14521f3e4/FLAG5ee57a138 [2025-02-07 19:44:58,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7c1d7b4f/ec3d55b504a24421be35f4f14521f3e4 [2025-02-07 19:44:58,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:44:58,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:44:58,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:44:58,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:44:58,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:44:58,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:44:58" (1/1) ... [2025-02-07 19:44:58,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a32a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:58, skipping insertion in model container [2025-02-07 19:44:58,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:44:58" (1/1) ... [2025-02-07 19:44:58,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:44:59,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2025-02-07 19:44:59,461 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-07 19:44:59,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:44:59,479 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:44:59,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2025-02-07 19:44:59,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:44:59,824 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:44:59,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59 WrapperNode [2025-02-07 19:44:59,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:44:59,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:44:59,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:44:59,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:44:59,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,922 INFO L138 Inliner]: procedures = 779, calls = 975, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1473 [2025-02-07 19:44:59,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:44:59,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:44:59,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:44:59,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:44:59,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,997 INFO L175 MemorySlicer]: Split 775 memory accesses to 16 slices as follows [2, 7, 2, 2, 4, 44, 4, 118, 6, 253, 2, 3, 4, 4, 285, 35]. 37 percent of accesses are in the largest equivalence class. The 465 initializations are split as follows [2, 7, 0, 2, 0, 40, 1, 88, 0, 241, 0, 0, 0, 1, 50, 33]. The 228 writes are split as follows [0, 0, 1, 0, 2, 0, 0, 0, 3, 4, 1, 2, 2, 0, 213, 0]. [2025-02-07 19:44:59,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:44:59,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:45:00,105 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:45:00,105 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:45:00,105 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:45:00,106 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (1/1) ... [2025-02-07 19:45:00,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:45:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:45:00,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 19:45:00,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-02-07 19:45:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-07 19:45:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:45:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:45:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-02-07 19:45:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-02-07 19:45:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-02-07 19:45:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-02-07 19:45:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2025-02-07 19:45:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:45:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 19:45:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-07 19:45:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 19:45:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2025-02-07 19:45:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-02-07 19:45:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 19:45:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-02-07 19:45:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2025-02-07 19:45:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2025-02-07 19:45:00,485 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:45:00,486 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:45:23,518 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L974: call ULTIMATE.dealloc(main_~#input_array~0#1.base, main_~#input_array~0#1.offset);havoc main_~#input_array~0#1.base, main_~#input_array~0#1.offset;call ULTIMATE.dealloc(main_~#output_array~0#1.base, main_~#output_array~0#1.offset);havoc main_~#output_array~0#1.base, main_~#output_array~0#1.offset;call ULTIMATE.dealloc(main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset);havoc main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset;call ULTIMATE.dealloc(main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset);havoc main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset; [2025-02-07 19:45:23,667 INFO L? ?]: Removed 233 outVars from TransFormulas that were not future-live. [2025-02-07 19:45:23,668 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:45:23,676 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:45:23,677 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:45:23,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:45:23 BoogieIcfgContainer [2025-02-07 19:45:23,677 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:45:23,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:45:23,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:45:23,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:45:23,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:44:58" (1/3) ... [2025-02-07 19:45:23,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56692431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:45:23, skipping insertion in model container [2025-02-07 19:45:23,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:44:59" (2/3) ... [2025-02-07 19:45:23,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56692431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:45:23, skipping insertion in model container [2025-02-07 19:45:23,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:45:23" (3/3) ... [2025-02-07 19:45:23,684 INFO L128 eAbstractionObserver]: Analyzing ICFG poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2025-02-07 19:45:23,693 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:45:23,695 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i that has 21 procedures, 188 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2025-02-07 19:45:23,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:45:23,748 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;@7cc90233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:45:23,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:45:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 109 states have internal predecessors, (179), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-07 19:45:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-07 19:45:23,766 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:45:23,767 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:45:23,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:45:23,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:45:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1383224608, now seen corresponding path program 1 times [2025-02-07 19:45:23,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:45:23,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488551086] [2025-02-07 19:45:23,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:45:23,789 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 [2025-02-07 19:45:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:45:23,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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) [2025-02-07 19:45:23,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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 [2025-02-07 19:45:29,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-07 19:45:31,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-07 19:45:31,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:45:31,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:45:31,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 19:45:32,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:45:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-02-07 19:45:32,018 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:45:32,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:45:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488551086] [2025-02-07 19:45:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488551086] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:45:32,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:45:32,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:45:32,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590117817] [2025-02-07 19:45:32,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:45:32,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:45:32,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:45:32,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:45:32,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:45:32,040 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 109 states have internal predecessors, (179), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-07 19:45:32,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:45:32,063 INFO L93 Difference]: Finished difference Result 254 states and 412 transitions. [2025-02-07 19:45:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:45:32,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 111 [2025-02-07 19:45:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:45:32,069 INFO L225 Difference]: With dead ends: 254 [2025-02-07 19:45:32,069 INFO L226 Difference]: Without dead ends: 124 [2025-02-07 19:45:32,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:45:32,074 INFO L435 NwaCegarLoop]: 199 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, 199 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 [2025-02-07 19:45:32,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 19:45:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-02-07 19:45:32,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-02-07 19:45:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.6095238095238096) internal successors, (169), 105 states have internal predecessors, (169), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-07 19:45:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 195 transitions. [2025-02-07 19:45:32,105 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 195 transitions. Word has length 111 [2025-02-07 19:45:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:45:32,105 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 195 transitions. [2025-02-07 19:45:32,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-07 19:45:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 195 transitions. [2025-02-07 19:45:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-07 19:45:32,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:45:32,109 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:45:32,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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 [2025-02-07 19:45:32,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 19:45:32,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:45:32,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:45:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash -301416321, now seen corresponding path program 1 times [2025-02-07 19:45:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:45:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620428901] [2025-02-07 19:45:32,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:45:32,316 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 [2025-02-07 19:45:32,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:45:32,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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) [2025-02-07 19:45:32,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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 [2025-02-07 19:45:37,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-07 19:45:43,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-07 19:45:43,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:45:43,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:45:43,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 3906 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-07 19:45:43,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:45:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-02-07 19:45:45,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:45:45,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:45:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620428901] [2025-02-07 19:45:45,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620428901] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:45:45,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:45:45,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-07 19:45:45,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344558214] [2025-02-07 19:45:45,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:45:45,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-07 19:45:45,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:45:45,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-07 19:45:45,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-07 19:45:45,572 INFO L87 Difference]: Start difference. First operand 124 states and 195 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-07 19:45:49,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:45:53,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:45:57,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:46:01,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:46:05,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:46:11,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:46:11,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:46:11,722 INFO L93 Difference]: Finished difference Result 254 states and 404 transitions. [2025-02-07 19:46:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-07 19:46:11,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 111 [2025-02-07 19:46:11,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:46:11,727 INFO L225 Difference]: With dead ends: 254 [2025-02-07 19:46:11,727 INFO L226 Difference]: Without dead ends: 134 [2025-02-07 19:46:11,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-07 19:46:11,738 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 343 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 48 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2025-02-07 19:46:11,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 973 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 241 Invalid, 5 Unknown, 0 Unchecked, 25.5s Time] [2025-02-07 19:46:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-07 19:46:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-07 19:46:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 112 states have (on average 1.5982142857142858) internal successors, (179), 113 states have internal predecessors, (179), 15 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (19), 15 states have call predecessors, (19), 15 states have call successors, (19) [2025-02-07 19:46:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 213 transitions. [2025-02-07 19:46:11,779 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 213 transitions. Word has length 111 [2025-02-07 19:46:11,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:46:11,781 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 213 transitions. [2025-02-07 19:46:11,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-07 19:46:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2025-02-07 19:46:11,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-07 19:46:11,784 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:46:11,784 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:46:11,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-07 19:46:11,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 19:46:11,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:46:11,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:46:11,985 INFO L85 PathProgramCache]: Analyzing trace with hash -242195584, now seen corresponding path program 1 times [2025-02-07 19:46:11,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:46:11,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226993578] [2025-02-07 19:46:11,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:46:11,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 19:46:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:46:11,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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) [2025-02-07 19:46:11,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -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 [2025-02-07 19:46:17,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-07 19:46:23,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-07 19:46:23,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:46:23,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:46:23,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 3906 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-07 19:46:23,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:46:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-02-07 19:46:25,637 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:46:25,637 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:46:25,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226993578] [2025-02-07 19:46:25,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226993578] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:46:25,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:46:25,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-02-07 19:46:25,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938233968] [2025-02-07 19:46:25,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:46:25,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-07 19:46:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:46:25,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-07 19:46:25,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-07 19:46:25,639 INFO L87 Difference]: Start difference. First operand 134 states and 213 transitions. Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 10 states have internal predecessors, (36), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-07 19:46:29,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:46:33,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]