./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk --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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:47:25,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:47:25,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:47:25,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:47:25,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:47:25,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:47:25,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:47:25,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:47:25,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:47:25,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:47:25,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:47:25,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:47:25,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:47:25,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:47:25,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:47:25,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:47:25,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:47:25,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:47:25,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:47:25,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:47:25,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:47:25,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:47:25,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:47:25,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:47:25,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:47:25,711 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:47:25,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:47:25,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:25,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:47:25,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:47:25,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:47:25,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:47:25,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:47:25,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2024-11-08 23:47:26,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:47:26,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:47:26,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:47:26,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:47:26,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:47:26,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 23:47:28,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:47:29,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:47:29,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-08 23:47:29,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/3688bfc98/dde2d02d987740159b4708bb0228cec8/FLAG3d10d4910 [2024-11-08 23:47:29,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/3688bfc98/dde2d02d987740159b4708bb0228cec8 [2024-11-08 23:47:29,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:47:29,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:47:29,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:29,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:47:29,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:47:29,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:29" (1/1) ... [2024-11-08 23:47:29,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f941adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:29, skipping insertion in model container [2024-11-08 23:47:29,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:29" (1/1) ... [2024-11-08 23:47:29,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:47:30,726 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_14bf0876-8214-48fe-b376-21aa2327c3d5/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-08 23:47:31,090 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1625) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:2578) 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:1520) 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:3634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) 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:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:47:31,096 INFO L158 Benchmark]: Toolchain (without parser) took 1775.39ms. Allocated memory is still 161.5MB. Free memory was 123.8MB in the beginning and 91.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:47:31,097 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:47:31,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1770.69ms. Allocated memory is still 161.5MB. Free memory was 123.8MB in the beginning and 91.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:47:31,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1770.69ms. Allocated memory is still 161.5MB. Free memory was 123.8MB in the beginning and 91.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk --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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:47:33,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:47:33,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:47:33,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:47:33,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:47:33,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:47:33,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:47:33,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:47:33,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:47:33,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:47:33,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:47:33,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:47:33,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:47:33,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:47:33,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:47:33,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:47:33,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:47:33,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:47:33,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:47:33,854 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:47:33,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:47:33,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:47:33,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:47:33,856 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:47:33,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:47:33,856 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:47:33,857 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,857 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:47:33,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:47:33,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:33,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:47:33,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:47:33,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:47:33,860 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:47:33,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:47:33,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2024-11-08 23:47:34,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:47:34,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:47:34,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:47:34,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:47:34,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:47:34,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 23:47:36,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:47:37,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:47:37,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-08 23:47:37,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/0abdd0ce3/fa6d4e02d3454857bd6ad4797ccd27b8/FLAGd344487c4 [2024-11-08 23:47:37,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/data/0abdd0ce3/fa6d4e02d3454857bd6ad4797ccd27b8 [2024-11-08 23:47:37,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:47:37,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:47:37,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:37,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:47:37,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:47:37,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:37" (1/1) ... [2024-11-08 23:47:37,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3582ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:37, skipping insertion in model container [2024-11-08 23:47:37,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:37" (1/1) ... [2024-11-08 23:47:37,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:47:38,590 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_14bf0876-8214-48fe-b376-21aa2327c3d5/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-08 23:47:38,929 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:47:38,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:39,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:47:39,092 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_14bf0876-8214-48fe-b376-21aa2327c3d5/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-08 23:47:39,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:39,546 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:47:39,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39 WrapperNode [2024-11-08 23:47:39,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:39,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:39,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:47:39,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:47:39,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,704 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 394 [2024-11-08 23:47:39,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:39,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:47:39,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:47:39,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:47:39,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:47:39,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:47:39,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:47:39,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:47:39,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:39" (1/1) ... [2024-11-08 23:47:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:39,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:47:39,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:47:39,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:47:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 23:47:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-08 23:47:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-08 23:47:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 23:47:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:47:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:47:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:47:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-08 23:47:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-08 23:47:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 23:47:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:47:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-08 23:47:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 23:47:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:47:40,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:47:40,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:47:58,170 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-08 23:47:58,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:47:58,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:47:58,607 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:47:58,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:58 BoogieIcfgContainer [2024-11-08 23:47:58,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:47:58,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:47:58,610 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:47:58,621 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:47:58,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:58" (1/1) ... [2024-11-08 23:47:58,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:47:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 162 transitions. [2024-11-08 23:47:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2024-11-08 23:47:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:47:58,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:58,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:58,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:58,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:47:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:59,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:48:00,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:01,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:48:11,794 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 [] [2024-11-08 23:48:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 171 transitions. [2024-11-08 23:48:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2024-11-08 23:48:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:48:12,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:12,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:12,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:12,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:48:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:22,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:22,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:48:24,616 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-08 23:48:24,618 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 [2024-11-08 23:48:24,754 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:25,063 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 [2024-11-08 23:48:25,066 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:48:27,577 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-08 23:48:27,578 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 [2024-11-08 23:48:27,652 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:27,971 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 [2024-11-08 23:48:27,973 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:28,329 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:30,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:48:30,633 INFO L224 Elim1Store]: Index analysis took 189 ms [2024-11-08 23:48:32,935 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-11-08 23:48:32,936 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 [2024-11-08 23:48:33,010 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:48:33,296 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 [2024-11-08 23:48:33,674 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 23:49:07,774 WARN L286 SmtUtils]: Spent 32.59s on a formula simplification. DAG size of input: 164 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:49:09,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:49:09,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-11-08 23:49:09,879 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 [2024-11-08 23:49:09,995 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:49:09,996 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-11-08 23:49:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:10,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:28,426 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] [2024-11-08 23:49:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 187 transitions. [2024-11-08 23:49:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2024-11-08 23:49:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:49:42,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:42,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:42,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:42,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:49:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:49:43,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:45,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:49:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 119 states and 185 transitions. [2024-11-08 23:49:46,423 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2024-11-08 23:49:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:49:46,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:46,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:46,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:46,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:49:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:49:47,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:49,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:49:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 119 states and 183 transitions. [2024-11-08 23:49:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2024-11-08 23:49:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:49:50,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:50,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:50,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:50,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:49:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:51,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:49:52,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:52,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 121 states and 187 transitions. [2024-11-08 23:49:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 187 transitions. [2024-11-08 23:49:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:49:52,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:52,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:52,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:52,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:52,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:49:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:54,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:49:54,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:58,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:19,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:51:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 128 states and 204 transitions. [2024-11-08 23:51:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 204 transitions. [2024-11-08 23:51:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:51:00,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:00,635 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:51:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:01,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:02,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:51:02,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:51:04,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:51:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 201 transitions. [2024-11-08 23:51:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 201 transitions. [2024-11-08 23:51:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:51:07,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:07,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:07,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:07,740 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:07,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:51:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:08,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:09,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:51:09,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:51:09,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 129 states and 201 transitions. [2024-11-08 23:51:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2024-11-08 23:51:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:51:17,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:17,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:17,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:17,483 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:17,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:51:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:18,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:51:19,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:51:19,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:51:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 130 states and 201 transitions. [2024-11-08 23:51:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2024-11-08 23:51:27,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 23:51:27,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:27,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:27,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:27,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:27,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:51:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:28,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:29,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:51:29,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:51:32,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 210 transitions. [2024-11-08 23:51:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2024-11-08 23:51:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 23:51:52,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:52,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:52,141 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:52,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:51:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:54,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:51:54,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:51:54,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:52:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 217 transitions. [2024-11-08 23:52:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 217 transitions. [2024-11-08 23:52:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:52:02,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:02,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:02,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:02,505 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:02,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:52:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:04,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:04,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:52:04,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:52:05,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 142 states and 224 transitions. [2024-11-08 23:52:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2024-11-08 23:52:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:52:18,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:18,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:18,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:18,098 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:52:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:19,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:52:20,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:52:20,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:52:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 229 transitions. [2024-11-08 23:52:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2024-11-08 23:52:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:52:25,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:25,063 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:25,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:52:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:26,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:27,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:52:27,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:52:51,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:21,943 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] [2024-11-08 23:55:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 183 states and 325 transitions. [2024-11-08 23:55:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 325 transitions. [2024-11-08 23:55:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:55:45,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:45,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:45,655 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:45,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:55:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:47,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:47,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:55:47,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:55:51,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:56:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 186 states and 332 transitions. [2024-11-08 23:56:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 332 transitions. [2024-11-08 23:56:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:56:17,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:17,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:17,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:17,763 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:17,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:56:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:19,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:20,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:56:20,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:56:24,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:57:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 192 states and 347 transitions. [2024-11-08 23:57:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 347 transitions. [2024-11-08 23:57:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:57:05,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:05,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:05,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:05,279 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:05,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:57:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:07,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:08,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:57:08,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:57:13,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 23:57:21,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:24,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 192 states and 345 transitions. [2024-11-08 23:57:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 345 transitions. [2024-11-08 23:57:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:57:24,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:24,240 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:24,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:57:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:26,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:26,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:57:26,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:57:32,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 192 states and 343 transitions. [2024-11-08 23:57:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 343 transitions. [2024-11-08 23:57:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:57:38,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:38,081 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:57:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:40,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:41,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:57:41,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:57:47,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 192 states and 341 transitions. [2024-11-08 23:57:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 341 transitions. [2024-11-08 23:57:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:57:54,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:54,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:54,371 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:54,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:57:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:56,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:57,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:57:57,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:58:03,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 23:58:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 192 states and 339 transitions. [2024-11-08 23:58:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 339 transitions. [2024-11-08 23:58:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:58:08,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:08,359 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:08,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:58:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:10,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:10,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:58:10,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:58:29,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:28,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:00:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 211 states and 396 transitions. [2024-11-09 00:00:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2024-11-09 00:00:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:00:29,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:29,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:29,442 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:29,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:00:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:31,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:31,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:00:31,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:00:35,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:01:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 405 transitions. [2024-11-09 00:01:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 405 transitions. [2024-11-09 00:01:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:01:07,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:07,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:07,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:07,432 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:01:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:09,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:10,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:01:10,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:01:13,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 220 states and 419 transitions. [2024-11-09 00:02:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 419 transitions. [2024-11-09 00:02:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:02:03,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:03,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:03,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:03,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:03,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:02:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:06,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:06,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:02:06,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:02:10,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf0876-8214-48fe-b376-21aa2327c3d5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0