./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX --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 cd2991f1dfbcaa83cb667171e0a72bee3be166208dbc01c9e27a220814db3d16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:43,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:43,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:25:43,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:43,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:43,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:43,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:43,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:43,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:43,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:43,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:43,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:43,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:43,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:43,784 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:43,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:43,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:43,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:43,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:25:43,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:43,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:43,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:43,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:43,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:43,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:43,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:43,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:43,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:43,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:43,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:43,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:43,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:43,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:43,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:43,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:43,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:25:43,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:25:43,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:25:43,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:43,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:43,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:43,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:43,802 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd2991f1dfbcaa83cb667171e0a72bee3be166208dbc01c9e27a220814db3d16 [2024-11-08 16:25:44,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:44,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:44,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:44,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:44,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:44,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 16:25:46,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:46,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:46,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i [2024-11-08 16:25:46,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/5e11bcec6/3a6727453559412fa212813f5f17451a/FLAGc53c29f0b [2024-11-08 16:25:46,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/5e11bcec6/3a6727453559412fa212813f5f17451a [2024-11-08 16:25:46,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:46,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:46,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:46,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:46,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:46,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:46" (1/1) ... [2024-11-08 16:25:46,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506726e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:46, skipping insertion in model container [2024-11-08 16:25:46,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:46" (1/1) ... [2024-11-08 16:25:46,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:48,167 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:1507) 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:3216) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2295) 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:1237) 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:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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) [2024-11-08 16:25:48,172 INFO L158 Benchmark]: Toolchain (without parser) took 1524.94ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 87.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:25:48,173 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:25:48,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.37ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 87.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:25:48,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.37ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 87.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. 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:627) 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: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX --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 cd2991f1dfbcaa83cb667171e0a72bee3be166208dbc01c9e27a220814db3d16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:50,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:50,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:25:50,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:50,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:50,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:50,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:50,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:50,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:50,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:50,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:50,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:50,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:50,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:50,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:50,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:50,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:50,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:50,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:50,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:50,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:50,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:50,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:50,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:25:50,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:25:50,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:50,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:25:50,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:50,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:50,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:50,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:50,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:50,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:50,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:50,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:50,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:50,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:50,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:25:50,720 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:25:50,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:25:50,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:50,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:50,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:50,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:50,722 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd2991f1dfbcaa83cb667171e0a72bee3be166208dbc01c9e27a220814db3d16 [2024-11-08 16:25:51,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:51,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:51,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:51,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:51,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:51,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 16:25:53,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:53,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:53,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i [2024-11-08 16:25:53,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/5ada0d81e/3d976e8f60b742909ee1582abfb242d3/FLAG144327ded [2024-11-08 16:25:53,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/data/5ada0d81e/3d976e8f60b742909ee1582abfb242d3 [2024-11-08 16:25:53,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:53,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:53,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:53,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:53,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:53,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:53" (1/1) ... [2024-11-08 16:25:53,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7856e9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:53, skipping insertion in model container [2024-11-08 16:25:53,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:53" (1/1) ... [2024-11-08 16:25:53,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:55,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i[71465,71478] [2024-11-08 16:25:55,758 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:55,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:55,784 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:25:55,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_0_safe.c-amalgamation.i[71465,71478] [2024-11-08 16:25:56,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:56,318 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:25:56,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56 WrapperNode [2024-11-08 16:25:56,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:56,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:56,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:25:56,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:25:56,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,569 INFO L138 Inliner]: procedures = 779, calls = 1656, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 2225 [2024-11-08 16:25:56,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:56,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:25:56,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:25:56,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:25:56,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,695 INFO L175 MemorySlicer]: Split 1475 memory accesses to 16 slices as follows [2, 7, 2, 102, 54, 4, 6, 3, 36, 2, 4, 638, 2, 605, 4, 4]. 43 percent of accesses are in the largest equivalence class. The 761 initializations are split as follows [2, 7, 2, 72, 1, 1, 0, 0, 32, 0, 0, 50, 0, 593, 1, 0]. The 632 writes are split as follows [0, 0, 0, 0, 51, 0, 3, 2, 0, 1, 2, 566, 1, 4, 0, 2]. [2024-11-08 16:25:56,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:25:56,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:25:56,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:25:56,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:25:56,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (1/1) ... [2024-11-08 16:25:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:56,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:25:56,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:25:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 16:25:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 16:25:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 16:25:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 16:25:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-08 16:25:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-08 16:25:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:25:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:25:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-08 16:25:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-08 16:25:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-08 16:25:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-08 16:25:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-08 16:25:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-08 16:25:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 16:25:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 16:25:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 16:25:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-08 16:25:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-08 16:25:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-08 16:25:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-08 16:25:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 16:25:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 16:25:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-08 16:25:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-08 16:25:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 16:25:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 16:25:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 16:25:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 16:25:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 16:25:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 16:25:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 16:25:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-08 16:25:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 16:25:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 16:25:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 16:25:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 16:25:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 16:25:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 16:25:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 16:25:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 16:25:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-08 16:25:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 16:25:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 16:25:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:25:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 16:25:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 16:25:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 16:25:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 16:25:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 16:25:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 16:25:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 16:25:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 16:25:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-08 16:25:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-08 16:25:57,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:25:57,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:26:27,129 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2024-11-08 16:26:27,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:26:27,156 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:26:27,157 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 16:26:27,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:27 BoogieIcfgContainer [2024-11-08 16:26:27,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:26:27,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:26:27,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:26:27,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:26:27,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:25:53" (1/3) ... [2024-11-08 16:26:27,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d869c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:27, skipping insertion in model container [2024-11-08 16:26:27,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:56" (2/3) ... [2024-11-08 16:26:27,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d869c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:27, skipping insertion in model container [2024-11-08 16:26:27,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:27" (3/3) ... [2024-11-08 16:26:27,168 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_16_16_16_thresh_0_safe.c-amalgamation.i [2024-11-08 16:26:27,183 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:26:27,183 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:26:27,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:26:27,264 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;@6b2aec17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:26:27,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:26:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 222 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:26:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 16:26:27,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:27,292 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:27,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash 809127442, now seen corresponding path program 1 times [2024-11-08 16:26:27,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:27,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827926091] [2024-11-08 16:26:27,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:27,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:27,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:27,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 16:27:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:48,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 8307 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:27:48,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 16:27:48,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:27:48,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:48,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827926091] [2024-11-08 16:27:48,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827926091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:48,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:48,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:27:48,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786266457] [2024-11-08 16:27:48,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:48,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:27:48,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:48,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:27:48,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:27:48,359 INFO L87 Difference]: Start difference. First operand has 222 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 16:27:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:48,445 INFO L93 Difference]: Finished difference Result 441 states and 676 transitions. [2024-11-08 16:27:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:27:48,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 108 [2024-11-08 16:27:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:48,461 INFO L225 Difference]: With dead ends: 441 [2024-11-08 16:27:48,462 INFO L226 Difference]: Without dead ends: 218 [2024-11-08 16:27:48,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:27:48,475 INFO L432 NwaCegarLoop]: 332 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, 332 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:48,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:27:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-08 16:27:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-08 16:27:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 16:27:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 328 transitions. [2024-11-08 16:27:48,540 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 328 transitions. Word has length 108 [2024-11-08 16:27:48,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:48,541 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 328 transitions. [2024-11-08 16:27:48,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 16:27:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 328 transitions. [2024-11-08 16:27:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 16:27:48,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:48,548 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:48,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:27:48,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:48,750 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:48,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 185845840, now seen corresponding path program 1 times [2024-11-08 16:27:48,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:48,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132448896] [2024-11-08 16:27:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:48,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:48,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:27:48,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:27:48,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 16:29:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:14,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 8308 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:29:14,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 16:29:16,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:29:16,973 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:16,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132448896] [2024-11-08 16:29:16,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132448896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:16,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:16,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:29:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105293775] [2024-11-08 16:29:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:16,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:29:16,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:29:16,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:29:16,978 INFO L87 Difference]: Start difference. First operand 218 states and 328 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 16:29:21,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:29:25,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:29:29,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:29:33,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:29:37,991 WARN L539 Checker$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] [2024-11-08 16:29:43,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:29:43,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:43,373 INFO L93 Difference]: Finished difference Result 448 states and 678 transitions. [2024-11-08 16:29:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:29:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-08 16:29:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:43,379 INFO L225 Difference]: With dead ends: 448 [2024-11-08 16:29:43,379 INFO L226 Difference]: Without dead ends: 235 [2024-11-08 16:29:43,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:29:43,382 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 340 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 15 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:43,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1741 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 221 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2024-11-08 16:29:43,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-08 16:29:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-08 16:29:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 214 states have (on average 1.514018691588785) internal successors, (324), 215 states have internal predecessors, (324), 14 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2024-11-08 16:29:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2024-11-08 16:29:43,416 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 108 [2024-11-08 16:29:43,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:43,417 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2024-11-08 16:29:43,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 16:29:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2024-11-08 16:29:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 16:29:43,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:43,422 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:43,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 16:29:43,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:43,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:43,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:43,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1121296558, now seen corresponding path program 1 times [2024-11-08 16:29:43,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:43,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695328039] [2024-11-08 16:29:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:43,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:43,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:29:43,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:29:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:31:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:10,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 8308 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:31:10,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 16:31:12,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:12,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:31:12,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695328039] [2024-11-08 16:31:12,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695328039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:12,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:12,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:31:12,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334559981] [2024-11-08 16:31:12,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:12,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:31:12,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:31:12,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:31:12,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:31:12,351 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-08 16:31:17,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:21,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:25,188 WARN L539 Checker$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] [2024-11-08 16:31:29,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:33,217 WARN L539 Checker$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] [2024-11-08 16:31:37,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:41,249 WARN L539 Checker$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] [2024-11-08 16:31:45,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:50,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:54,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:31:58,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:03,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:08,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:13,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:17,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:22,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:24,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:32:28,871 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] [2024-11-08 16:32:28,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:28,921 INFO L93 Difference]: Finished difference Result 543 states and 828 transitions. [2024-11-08 16:32:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:32:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-08 16:32:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:28,926 INFO L225 Difference]: With dead ends: 543 [2024-11-08 16:32:28,926 INFO L226 Difference]: Without dead ends: 313 [2024-11-08 16:32:28,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:32:28,929 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 454 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 3 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:28,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 2321 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 430 Invalid, 16 Unknown, 0 Unchecked, 76.3s Time] [2024-11-08 16:32:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-08 16:32:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-08 16:32:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 286 states have (on average 1.527972027972028) internal successors, (437), 288 states have internal predecessors, (437), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (21), 15 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-08 16:32:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 473 transitions. [2024-11-08 16:32:28,975 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 473 transitions. Word has length 108 [2024-11-08 16:32:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:28,976 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 473 transitions. [2024-11-08 16:32:28,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-08 16:32:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 473 transitions. [2024-11-08 16:32:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 16:32:28,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:28,980 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:29,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:32:29,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:29,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:29,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:29,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1310676629, now seen corresponding path program 1 times [2024-11-08 16:32:29,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:32:29,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532398444] [2024-11-08 16:32:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:29,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:29,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:32:29,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:32:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 16:33:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:55,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 8319 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 16:33:55,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 16:33:57,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 16:34:02,781 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:02,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532398444] [2024-11-08 16:34:02,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532398444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:34:02,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:34:02,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2024-11-08 16:34:02,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258239528] [2024-11-08 16:34:02,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:34:02,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 16:34:02,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:02,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 16:34:02,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:34:02,785 INFO L87 Difference]: Start difference. First operand 310 states and 473 transitions. Second operand has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-08 16:34:07,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:11,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:15,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 16:34:19,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:34:23,747 WARN L539 Checker$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] [2024-11-08 16:34:27,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:34:31,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:35,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:34:39,818 WARN L539 Checker$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] [2024-11-08 16:34:43,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:34:47,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 16:34:51,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:34:55,889 WARN L539 Checker$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 [] [2024-11-08 16:34:59,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:03,930 WARN L539 Checker$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 [1] [2024-11-08 16:35:09,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:15,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:19,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:24,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 16:35:30,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 16:35:34,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:41,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:45,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:50,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:35:55,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:03,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:08,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:12,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:15,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:19,568 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] [2024-11-08 16:36:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:19,615 INFO L93 Difference]: Finished difference Result 700 states and 1077 transitions. [2024-11-08 16:36:19,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:36:19,619 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) Word has length 109 [2024-11-08 16:36:19,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:19,623 INFO L225 Difference]: With dead ends: 700 [2024-11-08 16:36:19,623 INFO L226 Difference]: Without dead ends: 395 [2024-11-08 16:36:19,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:36:19,627 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 470 mSDsluCounter, 4518 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 7 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:19,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 4927 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 756 Invalid, 28 Unknown, 0 Unchecked, 134.5s Time] [2024-11-08 16:36:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-08 16:36:19,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 313. [2024-11-08 16:36:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 289 states have (on average 1.532871972318339) internal successors, (443), 291 states have internal predecessors, (443), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (21), 15 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-08 16:36:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 479 transitions. [2024-11-08 16:36:19,696 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 479 transitions. Word has length 109 [2024-11-08 16:36:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:19,697 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 479 transitions. [2024-11-08 16:36:19,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-08 16:36:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 479 transitions. [2024-11-08 16:36:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 16:36:19,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:19,702 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:19,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 16:36:19,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:36:19,902 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:36:19,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:19,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1568185746, now seen corresponding path program 2 times [2024-11-08 16:36:19,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:36:19,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759426982] [2024-11-08 16:36:19,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:36:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:36:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:36:19,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:36:19,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12786523-5b80-4c6c-af01-07fde7980ac8/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process