./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm --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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:57:39,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:57:39,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:57:39,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:57:39,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:57:39,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:57:39,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:57:39,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:57:39,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:57:39,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:57:39,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:57:39,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:57:39,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:57:39,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:57:39,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:57:39,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:57:39,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:57:39,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:57:39,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:57:39,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:57:39,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:57:39,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:57:39,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:39,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:57:39,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:57:39,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:57:39,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:57:39,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:57:39,677 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_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm 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 -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2024-11-13 21:57:40,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:57:40,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:57:40,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:57:40,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:57:40,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:57:40,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:57:42,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:57:43,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:57:43,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-11-13 21:57:43,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/6faac4c10/ada2129ba1124cf0bce434f1b06f9421/FLAGd56fa1c36 [2024-11-13 21:57:43,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/6faac4c10/ada2129ba1124cf0bce434f1b06f9421 [2024-11-13 21:57:43,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:57:43,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:57:43,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:43,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:57:43,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:57:43,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:43" (1/1) ... [2024-11-13 21:57:43,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bafae8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43, skipping insertion in model container [2024-11-13 21:57:43,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:43" (1/1) ... [2024-11-13 21:57:43,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:57:44,615 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_e87ae5b2-905c-44b5-aeab-36d510a9c647/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-11-13 21:57:44,946 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:1611) 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:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1516) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1563) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:57:44,954 INFO L158 Benchmark]: Toolchain (without parser) took 1828.78ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 58.9MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:57:44,955 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:57:44,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1825.21ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 58.9MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:57:44,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1825.21ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 58.9MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm --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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:57:47,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:57:47,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:57:47,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:57:47,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:57:47,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:57:47,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:57:47,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:57:47,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:57:47,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:57:47,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:47,941 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:57:47,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:57:47,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:47,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:57:47,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:57:47,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:57:47,942 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:57:47,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:47,943 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:57:47,943 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_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm 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 -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2024-11-13 21:57:48,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:57:48,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:57:48,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:57:48,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:57:48,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:57:48,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:57:50,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:57:51,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:57:51,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-11-13 21:57:51,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/d9e9c9a2f/c5896bbbc6f34171af69ecd7c1a54e0f/FLAG840e4f131 [2024-11-13 21:57:51,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/data/d9e9c9a2f/c5896bbbc6f34171af69ecd7c1a54e0f [2024-11-13 21:57:51,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:57:51,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:57:51,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:51,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:57:51,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:57:51,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:51" (1/1) ... [2024-11-13 21:57:51,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c72893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:51, skipping insertion in model container [2024-11-13 21:57:51,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:51" (1/1) ... [2024-11-13 21:57:51,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:57:53,098 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_e87ae5b2-905c-44b5-aeab-36d510a9c647/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-11-13 21:57:53,556 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:57:53,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:53,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:57:53,748 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_e87ae5b2-905c-44b5-aeab-36d510a9c647/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-11-13 21:57:53,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:54,341 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:57:54,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54 WrapperNode [2024-11-13 21:57:54,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:54,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:54,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:57:54,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:57:54,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,486 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 394 [2024-11-13 21:57:54,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:54,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:57:54,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:57:54,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:57:54,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:57:54,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:57:54,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:57:54,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:57:54,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:57:54,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:57:54,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:57:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:57:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-13 21:57:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:57:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 21:57:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:57:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-13 21:57:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:57:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-13 21:57:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-13 21:57:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:57:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:57:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:57:55,042 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:57:55,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:58:16,824 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 21:58:16,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:58:17,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:58:17,257 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 21:58:17,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:17 BoogieIcfgContainer [2024-11-13 21:58:17,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:58:17,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:58:17,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:58:17,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:58:17,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:17" (1/1) ... [2024-11-13 21:58:17,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:58:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-13 21:58:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-13 21:58:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:58:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:17,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:17,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:17,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:17,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:58:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:18,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:19,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:58:19,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:20,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:30,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2024-11-13 21:58:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2024-11-13 21:58:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:58:32,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:32,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:32,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:32,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:58:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:39,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:40,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:58:40,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:58:43,247 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-13 21:58:43,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-11-13 21:58:43,386 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:43,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 21:58:43,706 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:44,065 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:58:49,890 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-13 21:58:49,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-11-13 21:58:49,925 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:50,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 21:58:50,154 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:50,698 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:58:54,152 INFO L224 Elim1Store]: Index analysis took 208 ms [2024-11-13 21:58:56,274 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-11-13 21:58:56,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 140 [2024-11-13 21:58:56,362 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:58:56,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 21:58:57,125 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:59:09,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:59:09,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 480 treesize of output 372 [2024-11-13 21:59:10,159 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:59:10,161 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-13 21:59:11,465 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:59:11,466 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-11-13 21:59:11,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-13 21:59:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:12,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:59:32,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:59:36,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:59:51,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:59:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 123 transitions. [2024-11-13 21:59:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-11-13 21:59:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:59:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:59:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:55,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 124 transitions. [2024-11-13 21:59:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2024-11-13 21:59:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:59:55,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:59:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:02,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:00:24,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:01:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 137 transitions. [2024-11-13 22:01:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2024-11-13 22:01:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:01:11,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:11,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:11,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:11,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:01:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:13,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:13,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:13,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:16,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:01:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 145 transitions. [2024-11-13 22:01:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2024-11-13 22:01:36,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:01:36,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:36,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:36,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:36,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:01:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:38,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:38,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 151 transitions. [2024-11-13 22:01:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2024-11-13 22:01:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:01:46,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:46,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:46,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:46,948 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:46,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:01:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:01:48,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:49,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:02:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 166 transitions. [2024-11-13 22:02:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 166 transitions. [2024-11-13 22:02:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:02:14,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:14,081 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:02:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:02:15,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:02:16,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:02:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 99 states and 174 transitions. [2024-11-13 22:02:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 174 transitions. [2024-11-13 22:02:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:02:20,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:20,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:20,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:20,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:20,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:02:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:22,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:02:23,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:02:23,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:02:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 92 states and 155 transitions. [2024-11-13 22:02:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2024-11-13 22:02:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:02:28,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:28,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:28,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:28,088 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:28,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:02:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:29,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:30,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:02:30,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:02:31,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 94 states and 157 transitions. [2024-11-13 22:02:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2024-11-13 22:02:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:02:47,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:47,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:47,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:47,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:47,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:02:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:49,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:50,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:02:50,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:05,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:03:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 162 transitions. [2024-11-13 22:03:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 162 transitions. [2024-11-13 22:03:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:03:21,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:21,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:21,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:21,593 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:21,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:03:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:23,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:23,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:03:23,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:03:24,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:03:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 161 transitions. [2024-11-13 22:03:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2024-11-13 22:03:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:03:24,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:24,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:24,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:24,870 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:24,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:03:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:27,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:03:28,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:03:44,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:04:20,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:04:49,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:22,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:26,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 106 states and 193 transitions. [2024-11-13 22:06:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 193 transitions. [2024-11-13 22:06:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:06:26,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:26,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:26,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:26,655 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:26,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:06:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:28,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:28,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:06:28,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:06:29,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:07:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 108 states and 194 transitions. [2024-11-13 22:07:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 194 transitions. [2024-11-13 22:07:10,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:07:10,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:10,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:10,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:10,121 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:10,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:07:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:12,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:12,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:07:12,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:07:44,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:08:53,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:09,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:16,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 125 states and 243 transitions. [2024-11-13 22:11:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 243 transitions. [2024-11-13 22:11:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:11:55,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:55,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:55,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:55,401 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:55,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:11:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:57,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:58,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:11:58,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:12:11,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87ae5b2-905c-44b5-aeab-36d510a9c647/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0