./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_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_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3 --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 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:38,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:38,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:06:38,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:06:38,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:06:38,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:38,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:38,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:38,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:38,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:38,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:38,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:38,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:38,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:06:38,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:38,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:38,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:38,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:38,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:38,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:38,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:38,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:38,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:38,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:38,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:38,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:06:38,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:06:38,645 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_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 [2024-11-24 18:06:39,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:39,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:39,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:39,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:39,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:39,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-24 18:06:42,044 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/1dc1cc2ee/2d73e4bf4c4d42bb872e4c15e315d053/FLAGcf3bd8fb6 [2024-11-24 18:06:42,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:42,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-24 18:06:42,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/1dc1cc2ee/2d73e4bf4c4d42bb872e4c15e315d053/FLAGcf3bd8fb6 [2024-11-24 18:06:42,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/1dc1cc2ee/2d73e4bf4c4d42bb872e4c15e315d053 [2024-11-24 18:06:42,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:42,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:42,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:42,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:42,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:42,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:42" (1/1) ... [2024-11-24 18:06:42,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea41875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:42, skipping insertion in model container [2024-11-24 18:06:42,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:42" (1/1) ... [2024-11-24 18:06:42,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:44,212 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:06:44,223 INFO L158 Benchmark]: Toolchain (without parser) took 1507.56ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 94.6MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:44,223 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:44,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.33ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:44,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.33ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.5MB). 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_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3 --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 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:47,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:47,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:06:47,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:47,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:47,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:47,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:47,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:47,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:47,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:47,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:06:47,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:06:47,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:06:47,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:06:47,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:06:47,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:47,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:47,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:47,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:47,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:47,356 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:47,356 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:47,356 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:06:47,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:47,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:47,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:47,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:47,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:47,358 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:06:47,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:47,358 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:06:47,358 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_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 [2024-11-24 18:06:47,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:47,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:47,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:47,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:47,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:47,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-24 18:06:51,045 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/4e4c6db42/d6c88cf3528f4a8aa97c4ca69e5f569a/FLAGd407fc857 [2024-11-24 18:06:51,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:51,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-11-24 18:06:51,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/4e4c6db42/d6c88cf3528f4a8aa97c4ca69e5f569a/FLAGd407fc857 [2024-11-24 18:06:51,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/data/4e4c6db42/d6c88cf3528f4a8aa97c4ca69e5f569a [2024-11-24 18:06:51,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:51,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:51,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:51,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:51,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:51,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:51" (1/1) ... [2024-11-24 18:06:51,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c8ea70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:51, skipping insertion in model container [2024-11-24 18:06:51,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:51" (1/1) ... [2024-11-24 18:06:51,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:53,036 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_b2978797-939b-4eb8-9928-b0bb7926bf0d/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-11-24 18:06:53,481 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:06:53,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:53,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:53,604 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_b2978797-939b-4eb8-9928-b0bb7926bf0d/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-11-24 18:06:53,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:54,033 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:54,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54 WrapperNode [2024-11-24 18:06:54,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:54,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:54,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:54,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:54,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,157 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-11-24 18:06:54,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:54,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:54,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:54,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:54,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:54,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:54,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:54,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:54,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:54" (1/1) ... [2024-11-24 18:06:54,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:54,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:54,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:54,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-24 18:06:54,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-24 18:06:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-24 18:06:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-24 18:06:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 18:06:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-24 18:06:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-24 18:06:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-24 18:06:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:06:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-24 18:06:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-24 18:06:54,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-24 18:06:54,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:06:54,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-24 18:06:54,384 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-24 18:06:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-24 18:06:54,786 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:54,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:07:41,765 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-24 18:07:41,766 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:07:42,628 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:07:42,628 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-24 18:07:42,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:07:42 BoogieIcfgContainer [2024-11-24 18:07:42,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:07:42,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:07:42,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:07:42,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:07:42,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:07:42" (1/1) ... [2024-11-24 18:07:42,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:07:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-11-24 18:07:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-11-24 18:07:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 18:07:42,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:42,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:42,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:42,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:07:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:47,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:49,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:07:49,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-24 18:07:50,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:08:00,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:04,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:05,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:10,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-11-24 18:08:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-11-24 18:08:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 18:08:10,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:10,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:10,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:10,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:08:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:14,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:16,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:08:16,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-24 18:08:16,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-24 18:08:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-11-24 18:08:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-11-24 18:08:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 18:08:17,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:17,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:17,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:17,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:08:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:21,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:22,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:08:22,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 18:08:23,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 18:08:25,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-11-24 18:08:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-11-24 18:08:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 18:08:26,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:26,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:26,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:26,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:26,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:08:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:29,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:31,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:08:31,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 18:08:31,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-24 18:08:35,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:37,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-11-24 18:08:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-11-24 18:08:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 18:08:38,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:38,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:38,933 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:08:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:43,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:44,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:08:44,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-24 18:08:45,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:08:49,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:53,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2024-11-24 18:08:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2024-11-24 18:08:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 18:08:53,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:53,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:53,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:08:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:57,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:58,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:08:58,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-24 18:08:59,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 18:09:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-11-24 18:09:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-11-24 18:09:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 18:09:01,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:01,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:01,384 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:01,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:09:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:06,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:07,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:09:07,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-24 18:09:08,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 18:09:09,870 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 [] [2024-11-24 18:09:11,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:09:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-11-24 18:09:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-11-24 18:09:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 18:09:15,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:15,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:15,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:15,234 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:15,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:09:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:19,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:20,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:09:20,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-24 18:09:21,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 18:09:23,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:09:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-11-24 18:09:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-11-24 18:09:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 18:09:25,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:25,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:25,781 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:25,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:09:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:30,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:32,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:09:32,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-24 18:09:34,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 18:09:45,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:10:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2024-11-24 18:10:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2024-11-24 18:10:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 18:10:00,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:00,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:00,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:00,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:10:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:04,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:05,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 18:10:06,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-24 18:10:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 196 states and 472 transitions. [2024-11-24 18:10:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 472 transitions. [2024-11-24 18:10:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 18:10:10,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:10,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:10,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:10,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:10,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:10:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:14,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:16,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:16,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-24 18:10:18,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:10:26,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:10:28,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:10:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 201 states and 488 transitions. [2024-11-24 18:10:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 488 transitions. [2024-11-24 18:10:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:10:29,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:29,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:29,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:29,654 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:29,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:10:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:35,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:36,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:36,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:10:39,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-24 18:10:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 201 states and 488 transitions. [2024-11-24 18:10:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 488 transitions. [2024-11-24 18:10:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 18:10:42,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:42,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:42,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:42,417 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:42,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 18:10:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:49,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:50,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:50,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-24 18:10:52,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-24 18:10:55,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:11:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:11:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 212 states and 517 transitions. [2024-11-24 18:11:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 517 transitions. [2024-11-24 18:11:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 18:11:02,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:02,172 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:02,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 18:11:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:06,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:08,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:08,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-24 18:11:10,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:11:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:11:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:11:15,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:15,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:15,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:15,848 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:15,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 18:11:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:20,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:21,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:21,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:11:22,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-24 18:11:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:11:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:11:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:11:23,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:23,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:23,733 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:23,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 18:11:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:28,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:29,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:29,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:11:31,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:11:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:11:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:11:31,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:31,818 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-24 18:11:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:36,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:38,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:38,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:11:39,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:11:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:11:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:11:40,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:40,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:40,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:40,629 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:40,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 18:11:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:46,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:47,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:47,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:11:49,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 18:11:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:11:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:11:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:11:49,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:49,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:49,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:49,636 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-24 18:11:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:56,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:57,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:57,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:11:59,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:12:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:12:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:12:00,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:00,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:00,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:00,301 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 18:12:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:06,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:07,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:12:07,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:12:08,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-24 18:12:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 219 states and 540 transitions. [2024-11-24 18:12:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 540 transitions. [2024-11-24 18:12:09,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 18:12:09,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:09,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:09,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:09,082 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:09,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 18:12:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:14,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:16,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:12:16,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-24 18:12:20,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-24 18:12:25,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:12:27,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:12:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:12:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:12:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:12:31,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:31,256 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:31,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 18:12:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:36,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:38,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:12:38,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:12:39,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:12:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:12:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:12:40,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:40,256 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:40,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 18:12:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:45,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:46,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:12:46,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:12:48,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 18:12:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:12:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:12:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:12:48,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:48,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:48,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:48,810 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:48,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 18:12:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:54,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:55,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:12:55,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:12:56,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:12:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:12:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:12:57,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:57,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:57,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:57,309 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-24 18:13:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:04,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:06,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:06,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:08,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-24 18:13:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:13:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:13:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:13:09,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:09,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:09,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:09,244 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:09,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-24 18:13:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:16,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:17,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:17,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:19,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-24 18:13:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:13:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:13:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:13:19,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:19,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:19,777 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:19,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-24 18:13:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:25,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:27,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:27,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:28,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-24 18:13:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:13:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:13:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:13:29,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:29,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:29,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:29,452 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:29,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 18:13:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:36,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:37,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:37,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:38,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-24 18:13:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:13:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:13:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:13:39,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:39,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:39,534 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:39,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 18:13:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:45,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:46,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:46,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:48,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-24 18:13:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:13:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:13:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:13:49,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:49,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:49,749 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:49,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-24 18:13:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:55,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:57,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:13:57,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:13:59,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-24 18:14:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:00,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:00,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:00,412 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:00,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-24 18:14:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:06,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:07,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:07,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:09,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-24 18:14:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:09,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:09,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:09,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:09,929 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-24 18:14:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:16,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:17,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:17,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:19,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-24 18:14:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:19,711 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:19,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:19,715 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:19,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-24 18:14:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:26,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:27,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:27,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:29,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-24 18:14:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:29,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:29,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:29,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:29,763 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:29,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-24 18:14:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:37,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:38,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:38,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:39,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-24 18:14:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:40,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:40,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:40,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:40,325 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:40,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-24 18:14:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:47,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:48,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:48,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:49,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-24 18:14:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:14:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:14:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:14:50,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:50,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:50,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:50,529 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:50,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-24 18:14:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:57,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:58,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:14:58,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:14:59,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-24 18:15:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:00,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:00,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:00,637 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:00,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-24 18:15:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:07,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:09,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:15:09,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:15:10,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-24 18:15:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:11,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:11,431 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-24 18:15:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:18,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:20,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:15:20,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:15:21,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-24 18:15:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:22,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:22,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:22,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:22,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:22,485 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:22,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-24 18:15:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:30,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:31,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:15:31,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:15:32,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-24 18:15:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:33,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:33,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:33,506 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:33,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-24 18:15:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:42,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:43,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:15:43,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:15:45,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-24 18:15:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:46,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:46,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:46,262 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:46,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-24 18:15:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:54,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:56,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:15:56,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:15:58,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-24 18:15:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:59,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:15:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:15:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:15:59,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:59,379 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:59,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-24 18:16:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:09,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:10,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:16:10,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:16:11,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-24 18:16:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:16:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:16:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:16:12,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:12,079 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:12,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-24 18:16:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:20,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:21,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:16:21,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:16:22,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-24 18:16:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:16:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:16:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:16:23,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:23,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:23,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:23,297 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:23,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-24 18:16:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:32,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:33,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:16:33,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:16:34,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-24 18:16:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:16:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:16:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:16:35,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:35,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:35,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:35,308 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:35,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-24 18:16:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:45,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:46,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:16:46,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:16:48,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-24 18:16:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:16:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:16:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:16:48,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:48,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:48,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:48,692 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-24 18:16:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:58,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:59,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:16:59,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:17:01,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-24 18:17:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:17:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:17:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:17:02,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:02,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:02,324 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:02,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-24 18:17:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:11,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:12,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:17:12,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:17:14,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-24 18:17:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:17:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:17:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:17:14,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:14,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:14,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:14,812 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:14,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-24 18:17:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:23,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:25,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:17:25,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:17:27,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-24 18:17:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:17:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:17:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:17:28,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:28,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:28,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:28,024 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:28,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-24 18:17:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:37,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:39,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:17:39,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:17:41,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-24 18:17:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:17:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:17:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:17:41,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:41,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:41,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:41,881 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:41,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-24 18:17:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:50,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:51,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:17:51,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:17:53,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-24 18:17:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:17:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:17:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:17:53,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:53,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:53,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:53,840 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:53,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-24 18:18:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:02,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:03,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:18:03,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:18:05,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-24 18:18:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:18:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:18:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:18:05,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:05,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:05,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:05,978 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:05,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-24 18:18:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:16,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:17,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:18:17,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:18:18,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:18:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:18:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:18:19,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:19,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:19,093 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:19,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-24 18:18:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:28,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:30,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:18:30,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:18:32,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-24 18:18:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:18:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:18:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:18:32,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:32,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:32,664 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:32,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-24 18:18:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:40,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:42,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:18:42,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:18:43,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-24 18:18:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:18:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:18:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:18:44,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:44,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:44,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:44,143 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:44,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-24 18:18:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:53,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:54,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:18:54,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:18:55,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-24 18:18:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:18:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:18:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:18:56,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:56,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:56,559 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-24 18:19:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:05,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:06,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:06,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:19:08,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-24 18:19:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:19:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:19:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:19:08,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:08,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:08,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:08,935 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:08,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-24 18:19:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:18,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:19,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:19,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:19:20,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:19:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:19:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:19:21,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:21,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:21,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:21,159 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:21,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-24 18:19:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:30,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:31,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:31,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:19:33,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-24 18:19:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:19:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:19:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:19:33,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:33,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:33,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:33,805 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:33,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-24 18:19:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:43,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:45,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:45,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:19:46,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:19:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:19:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:19:47,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:47,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:47,199 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:47,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-24 18:19:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:56,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:58,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:58,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:19:59,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:20:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:20:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:20:00,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:00,098 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:00,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-24 18:20:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:09,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:10,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:20:10,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:20:12,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:20:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:20:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:20:12,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:12,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:12,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:12,676 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:12,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-24 18:20:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:22,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:23,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:20:23,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:20:25,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-24 18:20:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:20:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:20:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:20:25,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:25,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:25,879 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:25,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-24 18:20:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:37,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:38,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:20:38,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:20:40,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:20:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:20:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:20:40,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:40,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:40,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:40,978 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:40,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-24 18:20:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:52,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:54,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:20:54,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-24 18:20:56,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 227 states and 567 transitions. [2024-11-24 18:20:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 567 transitions. [2024-11-24 18:20:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 18:20:56,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:56,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:56,876 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:56,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2978797-939b-4eb8-9928-b0bb7926bf0d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process