./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:06,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:06,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:12:06,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:12:06,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:12:06,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:06,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:06,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:06,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:06,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:06,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:06,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:06,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:06,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:06,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:12:06,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:12:06,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f [2024-12-06 05:12:06,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:06,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:06,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:06,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:06,917 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:06,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-06 05:12:09,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/b704a1ee2/c3af09bcabad4982808e813186d3cdcb/FLAG1481e945f [2024-12-06 05:12:09,938 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:09,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-06 05:12:09,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/b704a1ee2/c3af09bcabad4982808e813186d3cdcb/FLAG1481e945f [2024-12-06 05:12:09,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/b704a1ee2/c3af09bcabad4982808e813186d3cdcb [2024-12-06 05:12:09,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:09,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:09,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:09,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:09,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:09,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:09,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1012cb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09, skipping insertion in model container [2024-12-06 05:12:09,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:10,899 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1602) 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:1494) 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:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) 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:1228) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:12:10,905 INFO L158 Benchmark]: Toolchain (without parser) took 924.45ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 91.6MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:12:10,905 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:10,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.47ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 91.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:12:10,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.47ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 91.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:12,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:12,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:12:12,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:12,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:12,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:12,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:12,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:12,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:12:12,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:12,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:12,749 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:12:12,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:12,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:12:12,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 752492cf9ece07a339fa9c1a328626b19c929eb5baed3983ac296ba1326b9b8f [2024-12-06 05:12:13,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:13,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:13,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:13,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:13,013 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:13,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-06 05:12:15,734 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/483a8fe9e/b28d5143e96a4d878e6b14daa0088d8c/FLAG9e8d47a0b [2024-12-06 05:12:16,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:16,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-06 05:12:16,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/483a8fe9e/b28d5143e96a4d878e6b14daa0088d8c/FLAG9e8d47a0b [2024-12-06 05:12:16,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/data/483a8fe9e/b28d5143e96a4d878e6b14daa0088d8c [2024-12-06 05:12:16,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:16,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:16,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:16,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:16,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:16,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:16" (1/1) ... [2024-12-06 05:12:16,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d5474f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:16, skipping insertion in model container [2024-12-06 05:12:16,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:16" (1/1) ... [2024-12-06 05:12:16,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:16,834 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_a0a0149c-1569-4f4b-8fc7-5b556e098aae/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-12-06 05:12:17,085 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:12:17,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:17,099 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:17,143 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_a0a0149c-1569-4f4b-8fc7-5b556e098aae/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-12-06 05:12:17,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:17,402 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:17,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17 WrapperNode [2024-12-06 05:12:17,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:17,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:17,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:17,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:17,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,540 INFO L138 Inliner]: procedures = 779, calls = 975, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1547 [2024-12-06 05:12:17,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:17,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:17,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:17,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:17,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:17,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:17,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:17,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:17,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:17" (1/1) ... [2024-12-06 05:12:17,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:17,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:17,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:17,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 05:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 05:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 05:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-06 05:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 05:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-06 05:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-06 05:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 05:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-06 05:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-06 05:12:17,959 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:17,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:13:01,776 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-06 05:13:01,776 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:13:03,724 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:13:03,725 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-06 05:13:03,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:03 BoogieIcfgContainer [2024-12-06 05:13:03,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:13:03,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:13:03,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:13:03,733 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:13:03,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:03" (1/1) ... [2024-12-06 05:13:03,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:13:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-12-06 05:13:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-12-06 05:13:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 05:13:03,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:03,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:03,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:03,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:03,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:13:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:17,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:25,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 2787 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:13:25,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-06 05:13:25,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:13:36,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:13:37,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:13:38,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:13:42,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:13:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-12-06 05:13:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-12-06 05:13:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-06 05:13:42,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:42,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:42,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:42,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:13:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:56,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:05,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 2789 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:14:05,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 05:14:06,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:14:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-12-06 05:14:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-12-06 05:14:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 05:14:07,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:07,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:07,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:07,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:07,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:14:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:21,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:28,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 2802 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:14:28,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-12-06 05:14:29,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:14:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-12-06 05:14:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-12-06 05:14:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-06 05:14:30,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:30,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:30,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:14:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:45,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:53,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 2802 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:14:53,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 05:14:53,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:14:55,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:14:56,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:14:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-12-06 05:14:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-12-06 05:14:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-06 05:14:58,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:58,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:58,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:58,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:58,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:15:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:13,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:20,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:15:20,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 05:15:21,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:15:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2024-12-06 05:15:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2024-12-06 05:15:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-06 05:15:23,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:23,609 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:23,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:15:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:39,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:47,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 2843 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:15:47,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 05:15:47,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:15:50,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:15:51,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:15:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-12-06 05:15:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-12-06 05:15:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-06 05:15:52,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:52,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:52,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:52,810 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:16:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:07,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:15,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:16:15,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 05:16:16,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:16:20,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:16:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-12-06 05:16:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-12-06 05:16:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 05:16:23,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:23,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:23,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:23,356 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:23,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:16:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:39,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:47,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:16:47,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 05:16:48,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:16:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-12-06 05:16:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-12-06 05:16:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-06 05:16:51,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:51,685 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:51,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:17:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:06,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:14,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:17:14,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-06 05:17:17,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:17:28,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-06 05:17:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-06 05:17:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:17:41,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:41,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:41,203 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:41,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:17:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:57,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:04,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:18:04,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:18:06,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:18:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-06 05:18:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-06 05:18:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:18:09,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:09,157 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:09,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:18:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:24,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:31,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:18:31,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:18:33,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:18:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-06 05:18:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-06 05:18:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 05:18:33,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:33,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:33,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:33,199 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:18:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:48,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:55,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:18:55,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-06 05:18:56,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:19:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-06 05:19:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-06 05:19:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:19:01,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:01,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:01,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:01,266 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:01,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:19:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:16,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:23,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:19:23,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:19:24,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:19:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-06 05:19:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-06 05:19:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 05:19:28,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:28,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:28,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:28,009 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:28,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:19:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:44,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:52,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:19:52,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-06 05:19:54,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:20:01,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:20:05,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:20:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 203 states and 491 transitions. [2024-12-06 05:20:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 491 transitions. [2024-12-06 05:20:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:20:08,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:08,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:08,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:20:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:25,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:32,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:20:32,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:20:33,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:20:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 203 states and 491 transitions. [2024-12-06 05:20:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 491 transitions. [2024-12-06 05:20:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 05:20:34,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:34,546 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:34,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:20:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:51,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:59,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:20:59,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 05:21:01,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:21:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-06 05:21:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-06 05:21:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:21:08,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:08,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:08,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:08,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:08,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:21:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:26,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:33,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:21:33,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:21:35,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:21:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-06 05:21:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-06 05:21:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 05:21:35,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:35,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:35,972 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:35,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:21:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:53,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:01,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:22:01,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-06 05:22:04,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:22:09,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:22:10,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:22:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:22:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:22:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:22:15,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:15,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:15,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:15,125 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:15,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:22:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:33,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:41,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:22:41,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:22:43,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:22:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:22:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:22:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:22:43,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:43,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:43,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:43,903 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:43,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:23:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:01,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:10,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:23:10,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:23:12,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:23:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:23:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:23:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:23:12,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:12,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:12,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:12,855 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:12,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:23:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:38,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:23:38,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:23:40,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:23:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:23:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:23:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:23:41,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:41,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:41,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:41,071 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:41,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:23:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:59,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:08,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:24:08,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:24:09,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:24:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:24:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:24:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:24:10,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:10,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:10,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:10,683 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:10,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:24:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:29,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:37,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:24:37,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:24:38,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:24:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:24:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:24:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:24:39,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:39,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:39,612 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:39,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:24:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:58,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:05,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:25:05,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:25:07,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:25:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:25:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:25:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:25:08,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:08,379 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:08,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:25:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:28,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:35,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:25:35,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:25:37,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:25:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:25:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:25:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:25:38,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:38,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:38,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:38,162 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:38,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:25:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:58,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:06,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:26:06,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:26:08,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:26:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:26:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:26:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:26:09,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:09,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:09,018 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:09,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:26:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:31,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:39,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:26:39,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 05:26:42,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:26:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 05:26:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 05:26:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 05:26:42,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:42,977 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:42,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a0149c-1569-4f4b-8fc7-5b556e098aae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process