./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:58:35,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:58:35,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:58:35,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:58:35,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:58:35,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:58:35,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:58:35,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:58:35,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:58:35,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:58:35,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:58:35,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:58:35,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:58:35,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:58:35,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:35,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:58:35,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-12-06 00:58:35,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:58:35,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:58:35,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:58:35,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:58:35,761 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:58:35,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-12-06 00:58:38,358 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/f8d585e9e/39594802c14942c6ad6d299c1a216a7b/FLAG0bd2ac11f [2024-12-06 00:58:38,690 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:58:38,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-12-06 00:58:38,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/f8d585e9e/39594802c14942c6ad6d299c1a216a7b/FLAG0bd2ac11f [2024-12-06 00:58:38,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/f8d585e9e/39594802c14942c6ad6d299c1a216a7b [2024-12-06 00:58:38,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:58:38,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:58:38,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:38,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:58:38,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:58:38,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:38" (1/1) ... [2024-12-06 00:58:38,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1873b106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:38, skipping insertion in model container [2024-12-06 00:58:38,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:38" (1/1) ... [2024-12-06 00:58:38,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:58:39,815 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_eb861ff1-074e-4288-b1ce-ae56542a9d8d/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-12-06 00:58:40,037 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) 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:2556) 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:783) 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:783) 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:1507) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:58:40,043 INFO L158 Benchmark]: Toolchain (without parser) took 1106.23ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 60.2MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:58:40,043 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:58:40,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.53ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 60.2MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:58:40,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1104.53ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 60.2MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:58:41,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:58:41,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:58:41,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:58:41,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:58:41,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:58:41,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:58:41,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:58:41,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:58:41,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:58:41,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:58:41,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:58:41,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:58:41,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:58:41,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:41,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:41,946 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:58:41,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-12-06 00:58:42,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:58:42,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:58:42,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:58:42,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:58:42,195 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:58:42,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-12-06 00:58:44,891 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/3e954e5a5/7ddfe34f30d94847b6a8481f69236a12/FLAGa50931359 [2024-12-06 00:58:45,206 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:58:45,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-12-06 00:58:45,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/3e954e5a5/7ddfe34f30d94847b6a8481f69236a12/FLAGa50931359 [2024-12-06 00:58:45,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/data/3e954e5a5/7ddfe34f30d94847b6a8481f69236a12 [2024-12-06 00:58:45,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:58:45,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:58:45,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:45,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:58:45,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:58:45,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:45" (1/1) ... [2024-12-06 00:58:45,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3feb5526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:45, skipping insertion in model container [2024-12-06 00:58:45,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:45" (1/1) ... [2024-12-06 00:58:45,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:58:46,309 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_eb861ff1-074e-4288-b1ce-ae56542a9d8d/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-12-06 00:58:46,547 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:58:46,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:46,603 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:58:46,646 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_eb861ff1-074e-4288-b1ce-ae56542a9d8d/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-12-06 00:58:46,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:46,910 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:58:46,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46 WrapperNode [2024-12-06 00:58:46,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:46,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:46,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:58:46,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:58:46,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:46,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,015 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2024-12-06 00:58:47,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:47,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:58:47,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:58:47,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:58:47,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,055 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:58:47,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:58:47,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:58:47,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:58:47,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:46" (1/1) ... [2024-12-06 00:58:47,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:47,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:58:47,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:58:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:58:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 00:58:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:58:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 00:58:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:58:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 00:58:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:58:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 00:58:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 00:58:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:58:47,313 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:58:47,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:59:05,111 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 00:59:05,111 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:59:05,337 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:59:05,338 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 00:59:05,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:59:05 BoogieIcfgContainer [2024-12-06 00:59:05,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:59:05,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:59:05,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:59:05,346 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:59:05,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:59:05" (1/1) ... [2024-12-06 00:59:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:59:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 00:59:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 00:59:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:59:05,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:05,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:05,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:59:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:17,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:18,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 00:59:18,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:18,342 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 00:59:18,394 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 00:59:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:18,637 INFO L224 Elim1Store]: Index analysis took 151 ms [2024-12-06 00:59:19,297 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-12-06 00:59:19,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 69 [2024-12-06 00:59:19,368 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:59:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:20,700 INFO L349 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2024-12-06 00:59:20,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12152 treesize of output 12020 [2024-12-06 00:59:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:25,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:25,263 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 0 case distinctions, treesize of input 68 treesize of output 65 [2024-12-06 00:59:25,312 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:59:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:26,370 INFO L349 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2024-12-06 00:59:26,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12152 treesize of output 12020 [2024-12-06 00:59:29,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:29,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:29,415 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 0 case distinctions, treesize of input 68 treesize of output 65 [2024-12-06 00:59:29,485 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:59:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:59:30,693 INFO L349 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2024-12-06 00:59:30,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12136 treesize of output 12004 [2024-12-06 00:59:33,424 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 00:59:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:59:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:59:48,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:59:51,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-12-06 00:59:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-12-06 00:59:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:59:53,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:53,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:53,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:53,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:53,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:59:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:54,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:54,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:59:54,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:59:56,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:00:11,931 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] [2024-12-06 01:00:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-12-06 01:00:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-06 01:00:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:00:24,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:24,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:24,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:24,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:24,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:00:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:24,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:25,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:00:25,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:00:29,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:00:48,032 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] [2024-12-06 01:01:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-12-06 01:01:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-12-06 01:01:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:01:20,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:20,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:20,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:20,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:01:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:20,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:21,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:01:21,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:21,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:01:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 138 transitions. [2024-12-06 01:01:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2024-12-06 01:01:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:01:27,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:27,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:27,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:27,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:01:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:28,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:28,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:01:28,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:29,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:01:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-12-06 01:01:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-12-06 01:01:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:01:35,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:35,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:35,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:35,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:01:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:36,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:36,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:01:36,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:01:39,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:01:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 152 transitions. [2024-12-06 01:01:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2024-12-06 01:01:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:01:58,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:58,916 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:58,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:01:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:59,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:00,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:02:00,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:02:00,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:02:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-12-06 01:02:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-12-06 01:02:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:02:07,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:07,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:07,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:07,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:02:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:08,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:08,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:02:08,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 01:02:09,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:02:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 166 transitions. [2024-12-06 01:02:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2024-12-06 01:02:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:02:13,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:13,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:13,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:13,304 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:13,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:02:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:14,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:14,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:02:14,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:02:24,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:02:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 171 transitions. [2024-12-06 01:02:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 171 transitions. [2024-12-06 01:02:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:02:36,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:36,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:02:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:37,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:37,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:02:37,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:02:38,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:03:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 187 transitions. [2024-12-06 01:03:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2024-12-06 01:03:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:03:07,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:07,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:07,920 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:03:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:08,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:09,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:03:09,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:03:09,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:03:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 100 states and 186 transitions. [2024-12-06 01:03:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2024-12-06 01:03:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 01:03:09,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:09,987 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:09,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:03:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:11,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:11,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:03:11,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:03:12,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:03:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 167 transitions. [2024-12-06 01:03:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 167 transitions. [2024-12-06 01:03:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 01:03:16,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:16,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:16,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:16,442 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:16,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:03:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:17,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:18,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:03:18,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:03:18,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:03:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 169 transitions. [2024-12-06 01:03:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 169 transitions. [2024-12-06 01:03:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 01:03:37,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:37,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:37,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:37,548 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:37,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:03:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:39,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:39,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:03:39,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:03:54,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:04:23,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:04:49,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:06:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 105 states and 204 transitions. [2024-12-06 01:06:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2024-12-06 01:06:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:06:14,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:14,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:14,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:14,263 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:14,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:06:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:15,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:15,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:06:15,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:06:16,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 01:06:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 205 transitions. [2024-12-06 01:06:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 205 transitions. [2024-12-06 01:06:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:06:55,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:55,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:55,134 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:06:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:57,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:57,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:06:57,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:07:29,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 01:08:48,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:59,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:11:03,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 01:11:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 124 states and 256 transitions. [2024-12-06 01:11:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 256 transitions. [2024-12-06 01:11:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 01:11:40,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:40,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:40,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:40,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:40,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:11:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:42,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:42,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:11:42,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:12:45,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb861ff1-074e-4288-b1ce-ae56542a9d8d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0