./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_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_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/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_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/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_2d666454-a0a1-4960-a316-59e1dc823fae/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 e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:00,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:00,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:52:00,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:52:00,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:52:00,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:00,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:00,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:00,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:00,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:00,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:00,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:00,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:00,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:00,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:00,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:00,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:52:00,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:52:00,131 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_2d666454-a0a1-4960-a316-59e1dc823fae/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 -> e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 [2024-12-06 03:52:00,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:00,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:00,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:00,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:00,370 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:00,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2024-12-06 03:52:02,993 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/1e4366469/cf95b03b18554f0ca84c2922a351fcb4/FLAG8f006f542 [2024-12-06 03:52:03,289 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:03,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2024-12-06 03:52:03,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/1e4366469/cf95b03b18554f0ca84c2922a351fcb4/FLAG8f006f542 [2024-12-06 03:52:03,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/1e4366469/cf95b03b18554f0ca84c2922a351fcb4 [2024-12-06 03:52:03,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:03,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:03,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:03,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:03,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:03,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:03" (1/1) ... [2024-12-06 03:52:03,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56786cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:03, skipping insertion in model container [2024-12-06 03:52:03,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:03" (1/1) ... [2024-12-06 03:52:03,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:04,369 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_2d666454-a0a1-4960-a316-59e1dc823fae/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 03:52:04,581 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:52:04,586 INFO L158 Benchmark]: Toolchain (without parser) took 1034.41ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 60.4MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:52:04,586 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:04,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.58ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 60.4MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:52:04,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.58ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 60.4MB in the end (delta: 27.4MB). 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_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/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_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/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_2d666454-a0a1-4960-a316-59e1dc823fae/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 e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:06,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:06,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:52:06,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:06,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:06,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:06,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:06,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:06,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:06,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:06,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:06,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:06,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:06,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:06,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:52:06,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:06,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:06,409 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:52:06,410 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_2d666454-a0a1-4960-a316-59e1dc823fae/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 -> e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 [2024-12-06 03:52:06,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:06,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:06,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:06,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:06,660 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:06,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2024-12-06 03:52:09,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/38ce4638a/c51a7d07ef4c4f4b903fa158c698b9a6/FLAG33ee8f34b [2024-12-06 03:52:09,681 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:09,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2024-12-06 03:52:09,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/38ce4638a/c51a7d07ef4c4f4b903fa158c698b9a6/FLAG33ee8f34b [2024-12-06 03:52:09,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/data/38ce4638a/c51a7d07ef4c4f4b903fa158c698b9a6 [2024-12-06 03:52:09,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:09,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:09,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:09,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:09,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:09,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:09" (1/1) ... [2024-12-06 03:52:09,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c21864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:09, skipping insertion in model container [2024-12-06 03:52:09,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:09" (1/1) ... [2024-12-06 03:52:09,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:10,581 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_2d666454-a0a1-4960-a316-59e1dc823fae/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 03:52:10,809 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 03:52:10,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:10,868 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:52:10,913 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_2d666454-a0a1-4960-a316-59e1dc823fae/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 03:52:11,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:11,168 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:52:11,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11 WrapperNode [2024-12-06 03:52:11,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:11,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:11,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:52:11,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:52:11,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,274 INFO L138 Inliner]: procedures = 780, calls = 721, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 410 [2024-12-06 03:52:11,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:11,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:52:11,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:52:11,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:52:11,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:52:11,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:52:11,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:52:11,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:52:11,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:11" (1/1) ... [2024-12-06 03:52:11,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:11,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:52:11,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:52:11,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 03:52:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:52:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 03:52:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:52:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 03:52:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:52:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 03:52:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 03:52:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:52:11,565 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:52:11,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:52:30,249 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 03:52:30,250 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:52:30,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:52:30,482 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 03:52:30,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:30 BoogieIcfgContainer [2024-12-06 03:52:30,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:52:30,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:52:30,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:52:30,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:52:30,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:30" (1/1) ... [2024-12-06 03:52:30,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:52:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 03:52:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 03:52:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:52:30,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:30,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:30,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:30,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:52:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:36,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:36,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 03:52:36,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:37,189 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 03:52:37,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:37,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:37,398 INFO L224 Elim1Store]: Index analysis took 110 ms [2024-12-06 03:52:37,405 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 03:52:37,460 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:37,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:38,036 INFO L349 Elim1Store]: treesize reduction 26, result has 16.1 percent of original size [2024-12-06 03:52:38,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1061 treesize of output 1030 [2024-12-06 03:52:38,922 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 03:52:38,967 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 03:52:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:39,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:39,217 INFO L224 Elim1Store]: Index analysis took 162 ms [2024-12-06 03:52:39,940 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-12-06 03:52:39,940 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 03:52:40,008 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:40,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:40,755 INFO L349 Elim1Store]: treesize reduction 26, result has 16.1 percent of original size [2024-12-06 03:52:40,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1061 treesize of output 1030 [2024-12-06 03:52:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:42,141 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 03:52:42,226 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:42,844 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-12-06 03:52:42,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 105 [2024-12-06 03:52:48,096 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 03:52:48,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:52:59,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:53:03,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-12-06 03:53:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-12-06 03:53:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:53:06,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:06,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:06,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:53:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:07,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:07,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:53:07,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:09,782 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 03:53:09,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:53:26,587 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 03:53:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-12-06 03:53:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-06 03:53:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:53:42,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:42,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:42,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:42,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:42,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:53:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:42,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:43,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:53:43,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:47,808 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 03:53:47,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:54:08,523 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] [2024-12-06 03:54:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-12-06 03:54:48,110 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-12-06 03:54:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:54:48,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:48,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:48,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:48,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:48,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:54:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:48,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:49,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:54:49,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:49,540 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 03:54:49,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:54:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 138 transitions. [2024-12-06 03:54:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2024-12-06 03:54:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:54:57,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:57,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:57,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:57,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:54:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:58,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:58,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:54:58,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:58,841 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 03:54:58,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:55:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-12-06 03:55:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-12-06 03:55:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:55:07,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:07,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:07,646 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:55:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:08,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:08,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:55:08,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:11,672 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 03:55:11,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:55:13,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 152 transitions. [2024-12-06 03:55:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2024-12-06 03:55:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:55:36,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:36,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:36,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:36,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:36,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:55:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:37,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:37,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:55:37,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:37,583 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 03:55:37,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:55:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-12-06 03:55:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-12-06 03:55:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:46,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:46,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:46,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:46,609 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:46,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:55:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:47,555 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:47,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:55:47,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:48,680 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 03:55:48,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:55:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 166 transitions. [2024-12-06 03:55:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2024-12-06 03:55:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:53,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:53,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:53,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:53,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:53,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:55:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:54,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:54,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:55:54,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:55,547 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 03:55:55,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:55:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 148 transitions. [2024-12-06 03:55:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 148 transitions. [2024-12-06 03:55:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:59,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:59,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:59,982 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:59,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:56:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:01,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:01,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:56:01,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:56:25,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:56:53,331 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] [2024-12-06 03:57:52,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:56,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 228 transitions. [2024-12-06 03:59:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 228 transitions. [2024-12-06 03:59:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:59:01,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:01,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:01,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:01,159 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:01,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:59:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:02,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:02,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:59:02,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:59:06,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 04:00:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 121 states and 245 transitions. [2024-12-06 04:00:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 245 transitions. [2024-12-06 04:00:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:00:02,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:02,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:00:02,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:00:02,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:00:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:00:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:03,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:00:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:03,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:00:03,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:00:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:00:07,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 04:00:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 122 states and 246 transitions. [2024-12-06 04:00:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 246 transitions. [2024-12-06 04:00:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:00:21,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:21,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:00:21,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:00:21,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:00:21,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:00:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:22,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:00:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:23,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:00:23,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:00:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:00:26,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:00:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 123 states and 249 transitions. [2024-12-06 04:00:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 249 transitions. [2024-12-06 04:00:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:00:42,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:42,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:00:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:00:42,603 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:00:42,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:00:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:43,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:00:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:44,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:00:44,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:01:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:01:03,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:02:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 138 states and 297 transitions. [2024-12-06 04:02:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 297 transitions. [2024-12-06 04:02:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:02:52,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:52,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:02:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:02:52,634 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:02:52,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:02:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:53,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:02:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:54,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:02:54,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:02:58,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 04:04:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 142 states and 314 transitions. [2024-12-06 04:04:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 314 transitions. [2024-12-06 04:04:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:04:06,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:06,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:06,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:06,865 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:06,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:04:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:08,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:08,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:04:08,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:04:12,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 04:04:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 143 states and 315 transitions. [2024-12-06 04:04:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 315 transitions. [2024-12-06 04:04:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:04:29,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:29,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:29,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:29,543 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:29,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:04:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:30,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:31,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:04:31,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:04:35,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:04:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 144 states and 318 transitions. [2024-12-06 04:04:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 318 transitions. [2024-12-06 04:04:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 04:04:54,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:04:54,034 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:04:54,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:04:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:55,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:04:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:55,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:04:55,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:05:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:05:18,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d666454-a0a1-4960-a316-59e1dc823fae/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:05:27,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []