./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_4_4_4_4_thresh_5_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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 14:07:34,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 14:07:34,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 14:07:34,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 14:07:34,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 14:07:34,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 14:07:34,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 14:07:34,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 14:07:34,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 14:07:34,826 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 14:07:34,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 14:07:34,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 14:07:34,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 14:07:34,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 14:07:34,827 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 14:07:34,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:07:34,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 14:07:34,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 14:07:34,828 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 -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2025-02-05 14:07:35,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 14:07:35,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 14:07:35,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 14:07:35,075 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 14:07:35,076 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 14:07:35,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2025-02-05 14:07:36,282 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bc517261/ca8d835d70844cebb9b85f7137357138/FLAGce98f8074 [2025-02-05 14:07:36,691 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 14:07:36,694 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2025-02-05 14:07:36,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bc517261/ca8d835d70844cebb9b85f7137357138/FLAGce98f8074 [2025-02-05 14:07:36,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bc517261/ca8d835d70844cebb9b85f7137357138 [2025-02-05 14:07:36,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 14:07:36,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 14:07:36,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 14:07:36,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 14:07:36,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 14:07:36,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:07:36" (1/1) ... [2025-02-05 14:07:36,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762996bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:36, skipping insertion in model container [2025-02-05 14:07:36,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:07:36" (1/1) ... [2025-02-05 14:07:36,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 14:07:37,454 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-05 14:07:37,459 INFO L158 Benchmark]: Toolchain (without parser) took 597.22ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 99.9MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 14:07:37,460 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:07:37,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.71ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 99.9MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 14:07:37,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.71ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 99.9MB in the end (delta: 19.4MB). 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_4_4_4_4_thresh_5_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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 14:07:39,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 14:07:39,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 14:07:39,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 14:07:39,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 14:07:39,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 14:07:39,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 14:07:39,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 14:07:39,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 14:07:39,526 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 14:07:39,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 14:07:39,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 14:07:39,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 14:07:39,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 14:07:39,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 14:07:39,528 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 14:07:39,528 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:07:39,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 14:07:39,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 14:07:39,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 14:07:39,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 14:07:39,530 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 -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2025-02-05 14:07:39,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 14:07:39,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 14:07:39,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 14:07:39,814 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 14:07:39,814 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 14:07:39,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2025-02-05 14:07:41,021 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ff597bb/91df4e3350e24323ba4be94e7e1bec2f/FLAG803677c7f [2025-02-05 14:07:41,362 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 14:07:41,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2025-02-05 14:07:41,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ff597bb/91df4e3350e24323ba4be94e7e1bec2f/FLAG803677c7f [2025-02-05 14:07:41,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ff597bb/91df4e3350e24323ba4be94e7e1bec2f [2025-02-05 14:07:41,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 14:07:41,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 14:07:41,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 14:07:41,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 14:07:41,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 14:07:41,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:07:41" (1/1) ... [2025-02-05 14:07:41,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d0c37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:41, skipping insertion in model container [2025-02-05 14:07:41,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:07:41" (1/1) ... [2025-02-05 14:07:41,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 14:07:42,184 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_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2025-02-05 14:07:42,351 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-05 14:07:42,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:07:42,366 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 14:07:42,428 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_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2025-02-05 14:07:42,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:07:42,699 INFO L204 MainTranslator]: Completed translation [2025-02-05 14:07:42,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42 WrapperNode [2025-02-05 14:07:42,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 14:07:42,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 14:07:42,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 14:07:42,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 14:07:42,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,850 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1121 [2025-02-05 14:07:42,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 14:07:42,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 14:07:42,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 14:07:42,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 14:07:42,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,895 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [2, 7, 2, 44, 2, 4, 117, 4, 4, 118, 6, 3, 85, 2, 19, 4]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 7, 2, 40, 0, 0, 26, 1, 0, 88, 0, 0, 73, 0, 17, 1]. The 84 writes are split as follows [0, 0, 0, 0, 1, 2, 69, 0, 2, 0, 3, 2, 4, 1, 0, 0]. [2025-02-05 14:07:42,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,946 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 14:07:42,992 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 14:07:42,992 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 14:07:42,992 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 14:07:42,994 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (1/1) ... [2025-02-05 14:07:42,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:07:43,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 14:07:43,063 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) [2025-02-05 14:07:43,095 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 [2025-02-05 14:07:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-05 14:07:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-05 14:07:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-05 14:07:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-05 14:07:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2025-02-05 14:07:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-02-05 14:07:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-05 14:07:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-02-05 14:07:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-02-05 14:07:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-02-05 14:07:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2025-02-05 14:07:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-05 14:07:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-05 14:07:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-05 14:07:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-02-05 14:07:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-05 14:07:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-05 14:07:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-05 14:07:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-05 14:07:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-05 14:07:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-05 14:07:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2025-02-05 14:07:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-05 14:07:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 14:07:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-05 14:07:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-05 14:07:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-05 14:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-05 14:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-02-05 14:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-02-05 14:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2025-02-05 14:07:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2025-02-05 14:07:43,398 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 14:07:43,400 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 14:08:08,055 INFO L1309 $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; [2025-02-05 14:08:08,137 INFO L? ?]: Removed 252 outVars from TransFormulas that were not future-live. [2025-02-05 14:08:08,137 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 14:08:08,146 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 14:08:08,146 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 14:08:08,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:08:08 BoogieIcfgContainer [2025-02-05 14:08:08,146 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 14:08:08,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 14:08:08,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 14:08:08,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 14:08:08,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 02:07:41" (1/3) ... [2025-02-05 14:08:08,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc42329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:08:08, skipping insertion in model container [2025-02-05 14:08:08,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:07:42" (2/3) ... [2025-02-05 14:08:08,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc42329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:08:08, skipping insertion in model container [2025-02-05 14:08:08,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:08:08" (3/3) ... [2025-02-05 14:08:08,153 INFO L128 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2025-02-05 14:08:08,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 14:08:08,162 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i that has 21 procedures, 203 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2025-02-05 14:08:08,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 14:08:08,214 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;@5870fb3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 14:08:08,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 14:08:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 124 states have internal predecessors, (194), 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) [2025-02-05 14:08:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-05 14:08:08,243 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 14:08:08,244 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1] [2025-02-05 14:08:08,244 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 14:08:08,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 14:08:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash 236695147, now seen corresponding path program 1 times [2025-02-05 14:08:08,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 14:08:08,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020339633] [2025-02-05 14:08:08,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 14:08:08,271 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 [2025-02-05 14:08:08,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 14:08:08,277 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) [2025-02-05 14:08:08,289 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 [2025-02-05 14:08:09,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-05 14:08:10,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-05 14:08:10,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:08:10,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 14:08:10,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 14:08:10,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 14:08:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-05 14:08:10,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 14:08:10,539 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 14:08:10,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020339633] [2025-02-05 14:08:10,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020339633] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 14:08:10,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 14:08:10,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 14:08:10,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768669547] [2025-02-05 14:08:10,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 14:08:10,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 14:08:10,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 14:08:10,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 14:08:10,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 14:08:10,566 INFO L87 Difference]: Start difference. First operand has 143 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 124 states have internal predecessors, (194), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2025-02-05 14:08:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 14:08:10,598 INFO L93 Difference]: Finished difference Result 283 states and 441 transitions. [2025-02-05 14:08:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 14:08:10,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 123 [2025-02-05 14:08:10,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 14:08:10,608 INFO L225 Difference]: With dead ends: 283 [2025-02-05 14:08:10,608 INFO L226 Difference]: Without dead ends: 139 [2025-02-05 14:08:10,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 14:08:10,616 INFO L435 NwaCegarLoop]: 214 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, 214 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 [2025-02-05 14:08:10,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 14:08:10,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-05 14:08:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-05 14:08:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 120 states have (on average 1.5333333333333334) internal successors, (184), 120 states have internal predecessors, (184), 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) [2025-02-05 14:08:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2025-02-05 14:08:10,647 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 123 [2025-02-05 14:08:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 14:08:10,647 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 210 transitions. [2025-02-05 14:08:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2025-02-05 14:08:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2025-02-05 14:08:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-05 14:08:10,655 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 14:08:10,656 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1] [2025-02-05 14:08:10,706 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 [2025-02-05 14:08:10,860 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 [2025-02-05 14:08:10,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 14:08:10,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 14:08:10,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1666764948, now seen corresponding path program 1 times [2025-02-05 14:08:10,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 14:08:10,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619145224] [2025-02-05 14:08:10,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 14:08:10,863 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 [2025-02-05 14:08:10,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 14:08:10,866 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) [2025-02-05 14:08:10,867 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 [2025-02-05 14:08:11,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-05 14:08:13,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-05 14:08:13,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:08:13,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 14:08:14,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-05 14:08:14,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 14:08:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-02-05 14:08:15,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 14:08:15,647 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 14:08:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619145224] [2025-02-05 14:08:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619145224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 14:08:15,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 14:08:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 14:08:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054749574] [2025-02-05 14:08:15,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 14:08:15,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 14:08:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 14:08:15,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 14:08:15,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-05 14:08:15,649 INFO L87 Difference]: Start difference. First operand 139 states and 210 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2025-02-05 14:08:19,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-05 14:08:23,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:27,785 WARN L539 Checker$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] [2025-02-05 14:08:31,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-05 14:08:35,804 WARN L539 Checker$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] [2025-02-05 14:08:39,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:44,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:48,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:51,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:53,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:08:58,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:09:02,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:09:10,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:09:14,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 14:09:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 14:09:14,800 INFO L93 Difference]: Finished difference Result 417 states and 639 transitions. [2025-02-05 14:09:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-05 14:09:14,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 123 [2025-02-05 14:09:14,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 14:09:14,808 INFO L225 Difference]: With dead ends: 417 [2025-02-05 14:09:14,808 INFO L226 Difference]: Without dead ends: 283 [2025-02-05 14:09:14,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-05 14:09:14,810 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 451 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 22 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.4s IncrementalHoareTripleChecker+Time [2025-02-05 14:09:14,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1714 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 412 Invalid, 11 Unknown, 0 Unchecked, 58.4s Time] [2025-02-05 14:09:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2025-02-05 14:09:14,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 278. [2025-02-05 14:09:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 240 states have (on average 1.5458333333333334) internal successors, (371), 241 states have internal predecessors, (371), 26 states have call successors, (26), 10 states have call predecessors, (26), 11 states have return successors, (33), 26 states have call predecessors, (33), 26 states have call successors, (33) [2025-02-05 14:09:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 430 transitions. [2025-02-05 14:09:14,862 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 430 transitions. Word has length 123 [2025-02-05 14:09:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 14:09:14,862 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 430 transitions. [2025-02-05 14:09:14,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2025-02-05 14:09:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2025-02-05 14:09:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-05 14:09:14,867 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 14:09:14,868 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1] [2025-02-05 14:09:14,917 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 [2025-02-05 14:09:15,068 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 [2025-02-05 14:09:15,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 14:09:15,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 14:09:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash 314397131, now seen corresponding path program 1 times [2025-02-05 14:09:15,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 14:09:15,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249772965] [2025-02-05 14:09:15,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 14:09:15,073 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 [2025-02-05 14:09:15,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 14:09:15,075 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) [2025-02-05 14:09:15,077 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 [2025-02-05 14:09:16,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-05 14:09:18,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-05 14:09:18,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:09:18,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 14:09:18,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-05 14:09:18,307 INFO L279 TraceCheckSpWp]: Computing forward predicates...