./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9 --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 20ed14dd846e731ec7f77431ab2c9720ade2e0db354ffc63667c8249a1e6bb3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:36,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:36,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:55:36,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:55:36,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:55:36,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:36,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:36,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:36,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:36,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:36,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:36,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:36,993 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:55:36,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:55:36,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:55:36,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:36,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:36,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:36,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:36,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:55:36,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:36,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:36,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:36,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:36,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:36,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:37,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:37,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:37,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:37,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:37,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:55:37,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:55:37,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:37,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ed14dd846e731ec7f77431ab2c9720ade2e0db354ffc63667c8249a1e6bb3f [2023-12-02 22:55:37,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:37,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:37,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:37,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:37,221 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:37,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i [2023-12-02 22:55:39,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:40,291 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:40,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i [2023-12-02 22:55:40,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/d4ab1ad46/4fa4e1b8ffa84383a9f1b7a7fc2a7389/FLAG78e458849 [2023-12-02 22:55:40,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/d4ab1ad46/4fa4e1b8ffa84383a9f1b7a7fc2a7389 [2023-12-02 22:55:40,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:40,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:40,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:40,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:40,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:40,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:40" (1/1) ... [2023-12-02 22:55:40,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376fd0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:40, skipping insertion in model container [2023-12-02 22:55:40,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:40" (1/1) ... [2023-12-02 22:55:40,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:41,209 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-02 22:55:41,213 INFO L158 Benchmark]: Toolchain (without parser) took 872.05ms. Allocated memory is still 151.0MB. Free memory was 107.6MB in the beginning and 87.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:55:41,213 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:55:41,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.77ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 87.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:55:41,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.77ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 87.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. 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:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9 --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 20ed14dd846e731ec7f77431ab2c9720ade2e0db354ffc63667c8249a1e6bb3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:42,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:43,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:55:43,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:43,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:43,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:43,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:43,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:43,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:43,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:43,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:55:43,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:55:43,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:43,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:43,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:43,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:43,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:55:43,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:55:43,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:55:43,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:55:43,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:43,067 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:43,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:43,068 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:43,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:43,068 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:43,069 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:43,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:43,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:43,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:43,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:43,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:43,072 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:55:43,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:43,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:43,072 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:55:43,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:43,073 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ed14dd846e731ec7f77431ab2c9720ade2e0db354ffc63667c8249a1e6bb3f [2023-12-02 22:55:43,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:43,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:43,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:43,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:43,388 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:43,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i [2023-12-02 22:55:46,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:46,515 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:46,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i [2023-12-02 22:55:46,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/d9c27a429/9bdc204299fa4f7cb2cff80e4ae97cc7/FLAG6ec683a6b [2023-12-02 22:55:46,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/data/d9c27a429/9bdc204299fa4f7cb2cff80e4ae97cc7 [2023-12-02 22:55:46,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:46,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:46,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:46,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:46,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:46,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:46" (1/1) ... [2023-12-02 22:55:46,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b76109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:46, skipping insertion in model container [2023-12-02 22:55:46,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:46" (1/1) ... [2023-12-02 22:55:46,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:47,499 WARN L240 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_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-02 22:55:47,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:47,811 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:55:47,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:47,873 WARN L240 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_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-02 22:55:47,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:47,960 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:47,999 WARN L240 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_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-02 22:55:48,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:48,310 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:48,310 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:48,311 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:48,311 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:48,317 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:48,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48 WrapperNode [2023-12-02 22:55:48,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:48,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:48,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:48,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:48,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,462 INFO L138 Inliner]: procedures = 779, calls = 762, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1354 [2023-12-02 22:55:48,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:48,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:48,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:48,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:48,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:55:48,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:55:48,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:55:48,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:55:48,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:48" (1/1) ... [2023-12-02 22:55:48,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:48,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:55:48,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:55:48,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:55:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:55:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 22:55:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:55:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:55:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:55:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:55:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:55:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:55:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:55:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:55:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 22:55:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 22:55:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:55:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:55:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:55:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:55:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 22:55:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 22:55:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:55:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 22:55:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 22:55:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:55:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:55:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 22:55:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 22:55:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 22:55:48,919 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:55:48,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:43,610 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:44,705 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:44,705 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 22:56:44,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:44 BoogieIcfgContainer [2023-12-02 22:56:44,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:44,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:44,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:44,714 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:44,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:44" (1/1) ... [2023-12-02 22:56:44,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:44,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-02 22:56:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-02 22:56:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 22:56:44,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:44,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:44,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:44,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:44,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:51,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:54,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:56:54,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 22:56:54,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:57:05,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:08,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:10,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:13,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-02 22:57:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-02 22:57:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 22:57:13,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:13,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:13,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:13,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:13,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:57:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:19,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:22,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:57:22,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 22:57:22,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:57:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-02 22:57:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-02 22:57:24,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 22:57:24,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:24,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:24,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:24,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:24,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:57:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:30,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:32,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:57:32,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 22:57:33,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:57:35,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-02 22:57:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-02 22:57:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 22:57:35,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:35,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:35,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:35,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:57:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:41,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:43,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:57:43,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 22:57:44,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:57:46,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:48,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-02 22:57:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-02 22:57:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 22:57:50,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:50,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:50,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:50,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:50,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:57:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:56,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:58,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:57:58,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-02 22:57:59,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:58:02,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:04,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2023-12-02 22:58:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2023-12-02 22:58:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 22:58:04,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:04,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:04,285 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:58:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:10,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:13,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:58:13,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 22:58:14,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:58:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-02 22:58:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-02 22:58:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 22:58:15,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:15,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:15,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:15,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:15,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:58:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:22,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:24,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 2920 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:58:24,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 22:58:25,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:27,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:28,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-02 22:58:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-02 22:58:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 22:58:33,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:33,336 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:58:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:42,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 2908 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:58:42,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 22:58:43,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-02 22:58:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-02 22:58:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 22:58:46,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:46,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:46,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:46,824 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:46,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:58:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:53,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:55,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:58:55,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 22:58:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:58:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 168 states and 378 transitions. [2023-12-02 22:58:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 378 transitions. [2023-12-02 22:58:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 22:58:59,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:59,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:59,029 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:59,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:59:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:05,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:08,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:59:08,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-02 22:59:10,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:59:22,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 22:59:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 22:59:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:59:35,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:35,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:35,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:35,333 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:59:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:41,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:44,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:59:44,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:59:46,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:59:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 22:59:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 22:59:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:59:50,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:50,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:50,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:50,162 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:59:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:57,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:59,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:59:59,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:01,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:00:02,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:00:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:00:02,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:00:02,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:02,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:02,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:02,054 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:02,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:00:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:09,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:11,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:11,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:13,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:00:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:00:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:00:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:00:13,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:13,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:13,801 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:13,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:00:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:20,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:23,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:23,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:24,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:00:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:00:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:00:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:00:25,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:25,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:25,340 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:25,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:00:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:32,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:34,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:34,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:36,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-02 23:00:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:00:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:00:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:00:37,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:37,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:37,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:37,026 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:37,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:00:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:44,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:46,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:46,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:48,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:00:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:00:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:00:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:00:48,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:48,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:48,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:48,840 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:48,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:00:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:55,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:58,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:58,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:00:59,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:01:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:01:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:01:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:01:00,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:00,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:00,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:00,572 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:01:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:07,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:10,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:01:10,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:01:11,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:01:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 193 states and 465 transitions. [2023-12-02 23:01:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 465 transitions. [2023-12-02 23:01:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 23:01:12,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:12,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:12,340 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:12,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:01:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:19,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:21,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:01:21,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 23:01:24,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:01:30,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:33,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:01:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:01:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:01:36,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:36,444 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:36,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:01:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:43,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:45,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:01:45,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:01:47,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:01:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:01:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:01:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:01:48,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:48,271 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:01:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:55,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:58,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:01:58,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:01:59,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:02:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:02:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:02:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:02:00,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:00,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:00,506 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:00,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:02:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:07,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:10,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:10,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:02:11,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:02:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:02:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:02:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:02:12,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:12,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:12,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:12,377 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:12,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:02:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:19,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:22,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:22,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:02:23,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:02:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:02:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:02:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:02:24,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:24,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:24,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:24,508 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:24,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:02:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:31,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:34,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:34,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:02:35,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:02:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 495 transitions. [2023-12-02 23:02:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 495 transitions. [2023-12-02 23:02:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 23:02:36,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:36,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:36,438 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:36,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:02:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:44,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:46,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:02:46,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-12-02 23:02:49,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:02:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 213 states and 518 transitions. [2023-12-02 23:02:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 518 transitions. [2023-12-02 23:02:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 23:02:54,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:54,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:54,967 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:54,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:03:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:02,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:04,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:05,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 23:03:07,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:03:11,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:13,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:03:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:03:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:03:18,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:18,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:18,107 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:18,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:03:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:25,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:28,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:28,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:03:29,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:03:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:03:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:03:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:03:30,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:30,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:30,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:30,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:30,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:03:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:38,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:40,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:40,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:03:42,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:03:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:03:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:03:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:03:42,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:42,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:42,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:42,784 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:42,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:03:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:50,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:52,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:52,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:03:54,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:03:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:03:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:03:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:03:54,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:54,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:54,967 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:54,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:04:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:02,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:05,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:05,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:04:07,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:04:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:04:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:04:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:04:07,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:07,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:07,714 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:07,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:04:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:15,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:17,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:17,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:04:19,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:04:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:04:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:04:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:04:20,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:20,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:20,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:20,151 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:20,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:04:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:28,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:30,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:30,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:04:32,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:04:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:04:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:04:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:04:33,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:33,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:33,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:33,137 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:33,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:04:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:41,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:43,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:43,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:04:45,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:04:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:04:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:04:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:04:45,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:45,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:45,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:45,821 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:45,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:04:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:54,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:56,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:56,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:04:58,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:04:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:04:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:04:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:04:58,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:58,942 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:58,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:05:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:07,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:09,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:05:09,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:05:11,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:05:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:05:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:05:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:05:11,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:11,757 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:11,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:05:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:20,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:22,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:05:22,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:05:24,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:05:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:05:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:05:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:05:24,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:24,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:24,803 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:24,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:05:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:32,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:35,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:05:35,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:05:37,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:05:37,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:05:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:05:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:05:37,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:37,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:37,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:37,785 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:37,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:05:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:46,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:48,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:05:48,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:05:50,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:05:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:05:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:05:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:05:50,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:50,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:50,909 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:05:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:59,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:01,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:06:01,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:06:03,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:06:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:06:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:06:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:06:04,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:04,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:04,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:04,021 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:04,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:06:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:12,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:14,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:06:14,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:06:16,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:06:17,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:06:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:06:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:06:17,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:17,195 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:17,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:06:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:25,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:27,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:06:27,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:06:29,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:06:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:06:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:06:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:06:30,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:30,327 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:30,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:06:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:38,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:41,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:06:41,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:06:42,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:06:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:06:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:06:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:06:43,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:43,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:43,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:43,508 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:43,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:06:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:52,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:54,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:06:54,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:06:56,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:06:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:06:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:06:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:06:57,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:57,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:57,094 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:57,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:07:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:06,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:08,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:07:08,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:07:10,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:07:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:11,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:07:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:07:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:07:11,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:11,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:11,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:11,109 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:11,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:07:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:19,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:22,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:07:22,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:07:24,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:07:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:24,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:07:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:07:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:07:24,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:24,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:24,831 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:24,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:07:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:33,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:36,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:07:36,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:07:37,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:07:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:07:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:07:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:07:38,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:38,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:38,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:38,559 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:38,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:07:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:47,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:50,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:07:50,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:07:51,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:07:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:07:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:07:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:07:52,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:52,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:52,546 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:52,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:08:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:02,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:08:04,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:08:06,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:08:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:08:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:08:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:08:07,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:07,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:07,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:07,410 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:07,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:08:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:17,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:20,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:08:20,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:08:21,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:08:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:08:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:08:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:08:22,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:22,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:22,675 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:22,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:08:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:32,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:35,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:08:35,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:08:36,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:08:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:08:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:08:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:08:37,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:37,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:37,601 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:37,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:08:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:47,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:50,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:08:50,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:08:51,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:08:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:08:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:08:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:08:52,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:52,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:52,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:52,462 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:09:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:01,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:03,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:09:03,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:09:05,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:09:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:09:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:09:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:09:06,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:06,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:06,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:06,130 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:06,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:09:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:15,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:18,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:09:18,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:09:20,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:09:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:09:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:09:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:09:20,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:20,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:20,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:20,960 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:20,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:09:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:30,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:33,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:09:33,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:09:34,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:09:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:09:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:09:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:09:35,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:35,564 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:35,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:09:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:44,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:47,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:09:47,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:09:49,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:09:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:09:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:09:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:09:49,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:49,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:49,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:49,701 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:49,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:09:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:59,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:01,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:10:01,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 23:10:03,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:10:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 221 states and 545 transitions. [2023-12-02 23:10:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 545 transitions. [2023-12-02 23:10:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 23:10:04,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:04,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:04,107 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:04,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62279e8-ec02-4a75-ab8d-f9f585bdd3c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process