./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/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_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/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 64bit --witnessprinter.graph.data.programhash 8fc5057fe82ed1db302d26bdd0f0ededbd24fba8d2d0cf7da98afd2bf9d175e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:24,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:24,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:17:24,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:24,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:24,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:24,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:24,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:24,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:24,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:24,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:24,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:24,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:24,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:24,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:24,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:24,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:24,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:24,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:24,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:24,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:24,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:24,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:24,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:24,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:24,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:24,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:24,365 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:24,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:24,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:24,366 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_324080bf-b29a-4391-a5e9-81393aae77e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc5057fe82ed1db302d26bdd0f0ededbd24fba8d2d0cf7da98afd2bf9d175e2 [2023-12-02 22:17:24,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:24,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:24,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:24,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:24,599 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:24,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c [2023-12-02 22:17:27,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:27,742 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:27,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c [2023-12-02 22:17:27,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/1f979f383/5cd69be0cc2d4caa828f8921d07fb9f0/FLAGe9e167f7e [2023-12-02 22:17:27,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/1f979f383/5cd69be0cc2d4caa828f8921d07fb9f0 [2023-12-02 22:17:27,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:27,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:27,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:27,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:27,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:27,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:27" (1/1) ... [2023-12-02 22:17:27,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47070ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:27, skipping insertion in model container [2023-12-02 22:17:27,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:27" (1/1) ... [2023-12-02 22:17:27,890 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:28,091 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_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c[1174,1187] [2023-12-02 22:17:28,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:28,548 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:28,557 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_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c[1174,1187] [2023-12-02 22:17:28,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:28,809 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:28,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28 WrapperNode [2023-12-02 22:17:28,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:28,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:28,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:28,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:28,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:28,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:29,854 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11315 [2023-12-02 22:17:29,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:29,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:29,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:29,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:29,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:29,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:30,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:31,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:31,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:31,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:31,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:31,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:28" (1/1) ... [2023-12-02 22:17:31,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:31,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:31,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:31,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:17:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:31,778 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:31,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:17:39,077 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:17:53,310 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:17:53,310 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:17:53,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:53 BoogieIcfgContainer [2023-12-02 22:17:53,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:17:53,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:17:53,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:17:53,324 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:17:53,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:53" (1/1) ... [2023-12-02 22:17:53,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:17:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:17:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:17:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:17:53,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:17:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:54,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:17:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:56,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:17:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:57,304 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:17:57,355 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 22:17:57,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:17:57 ImpRootNode [2023-12-02 22:17:57,372 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:17:57,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:17:57,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:17:57,373 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:17:57,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:53" (3/4) ... [2023-12-02 22:17:57,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:17:57,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:17:57,377 INFO L158 Benchmark]: Toolchain (without parser) took 29591.49ms. Allocated memory was 142.6MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 87.3MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 865.2MB. Max. memory is 16.1GB. [2023-12-02 22:17:57,378 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:57,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.78ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 73.5MB in the end (delta: 13.5MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-12-02 22:17:57,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 1039.20ms. Allocated memory was 142.6MB in the beginning and 341.8MB in the end (delta: 199.2MB). Free memory was 73.5MB in the beginning and 142.0MB in the end (delta: -68.5MB). Peak memory consumption was 172.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:57,379 INFO L158 Benchmark]: Boogie Preprocessor took 1200.31ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 142.0MB in the beginning and 436.6MB in the end (delta: -294.6MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2023-12-02 22:17:57,380 INFO L158 Benchmark]: RCFGBuilder took 22255.26ms. Allocated memory was 683.7MB in the beginning and 5.4GB in the end (delta: 4.7GB). Free memory was 436.6MB in the beginning and 4.8GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-02 22:17:57,381 INFO L158 Benchmark]: CodeCheck took 4058.82ms. Allocated memory is still 5.4GB. Free memory was 4.8GB in the beginning and 4.5GB in the end (delta: 321.9MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. [2023-12-02 22:17:57,381 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 5.4GB. Free memory is still 4.5GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:57,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 238. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_93 = 1; [L41] const SORT_4 var_94 = 0; [L42] const SORT_2 var_114 = 0; [L43] const SORT_2 var_116 = 8; [L44] const SORT_2 var_119 = 7; [L45] const SORT_2 var_122 = 6; [L46] const SORT_2 var_125 = 5; [L47] const SORT_2 var_128 = 4; [L48] const SORT_2 var_131 = 3; [L49] const SORT_2 var_134 = 2; [L50] const SORT_2 var_137 = 1; [L51] const SORT_2 var_155 = 255; [L52] const SORT_3 var_159 = 0; [L53] const SORT_4 var_163 = 255; [L55] SORT_1 input_113; [L56] SORT_1 input_115; [L57] SORT_1 input_117; [L58] SORT_1 input_118; [L59] SORT_1 input_120; [L60] SORT_1 input_121; [L61] SORT_1 input_123; [L62] SORT_1 input_124; [L63] SORT_1 input_126; [L64] SORT_1 input_127; [L65] SORT_1 input_129; [L66] SORT_1 input_130; [L67] SORT_1 input_132; [L68] SORT_1 input_133; [L69] SORT_1 input_135; [L70] SORT_1 input_136; [L71] SORT_1 input_156; [L72] SORT_1 input_157; [L73] SORT_1 input_158; [L74] SORT_1 input_175; [L75] SORT_1 input_176; [L76] SORT_1 input_191; [L77] SORT_1 input_192; [L78] SORT_1 input_207; [L79] SORT_1 input_208; [L80] SORT_1 input_223; [L81] SORT_1 input_224; [L82] SORT_1 input_239; [L83] SORT_1 input_240; [L84] SORT_1 input_255; [L85] SORT_1 input_256; [L86] SORT_1 input_271; [L87] SORT_1 input_272; [L88] SORT_1 input_289; [L89] SORT_1 input_297; [L90] SORT_1 input_305; [L91] SORT_1 input_313; [L92] SORT_1 input_321; [L93] SORT_1 input_329; [L94] SORT_1 input_337; [L95] SORT_1 input_345; [L96] SORT_1 input_353; [L97] SORT_1 input_361; [L98] SORT_1 input_369; [L99] SORT_1 input_377; [L100] SORT_1 input_385; [L101] SORT_1 input_393; [L102] SORT_1 input_401; [L103] SORT_1 input_409; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_2 init_7_arg_1 = var_5; [L150] state_6 = init_7_arg_1 [L151] SORT_2 init_9_arg_1 = var_5; [L152] state_8 = init_9_arg_1 [L153] SORT_2 init_11_arg_1 = var_5; [L154] state_10 = init_11_arg_1 [L155] SORT_2 init_13_arg_1 = var_5; [L156] state_12 = init_13_arg_1 [L157] SORT_2 init_15_arg_1 = var_5; [L158] state_14 = init_15_arg_1 [L159] SORT_2 init_17_arg_1 = var_5; [L160] state_16 = init_17_arg_1 [L161] SORT_2 init_19_arg_1 = var_5; [L162] state_18 = init_19_arg_1 [L163] SORT_2 init_21_arg_1 = var_5; [L164] state_20 = init_21_arg_1 [L165] SORT_2 init_23_arg_1 = var_5; [L166] state_22 = init_23_arg_1 [L167] SORT_1 init_26_arg_1 = var_24; [L168] state_25 = init_26_arg_1 [L169] SORT_1 init_28_arg_1 = var_24; [L170] state_27 = init_28_arg_1 [L171] SORT_1 init_30_arg_1 = var_24; [L172] state_29 = init_30_arg_1 [L173] SORT_1 init_32_arg_1 = var_24; [L174] state_31 = init_32_arg_1 [L175] SORT_1 init_34_arg_1 = var_24; [L176] state_33 = init_34_arg_1 [L177] SORT_1 init_36_arg_1 = var_24; [L178] state_35 = init_36_arg_1 [L179] SORT_1 init_38_arg_1 = var_24; [L180] state_37 = init_38_arg_1 [L181] SORT_1 init_40_arg_1 = var_24; [L182] state_39 = init_40_arg_1 [L183] SORT_1 init_42_arg_1 = var_24; [L184] state_41 = init_42_arg_1 [L185] SORT_1 init_44_arg_1 = var_24; [L186] state_43 = init_44_arg_1 [L187] SORT_1 init_46_arg_1 = var_24; [L188] state_45 = init_46_arg_1 [L189] SORT_1 init_48_arg_1 = var_24; [L190] state_47 = init_48_arg_1 [L191] SORT_1 init_50_arg_1 = var_24; [L192] state_49 = init_50_arg_1 [L193] SORT_1 init_52_arg_1 = var_24; [L194] state_51 = init_52_arg_1 [L195] SORT_1 init_54_arg_1 = var_24; [L196] state_53 = init_54_arg_1 [L197] SORT_1 init_56_arg_1 = var_24; [L198] state_55 = init_56_arg_1 [L199] SORT_1 init_58_arg_1 = var_24; [L200] state_57 = init_58_arg_1 [L201] SORT_1 init_60_arg_1 = var_24; [L202] state_59 = init_60_arg_1 [L203] SORT_1 init_62_arg_1 = var_24; [L204] state_61 = init_62_arg_1 [L205] SORT_1 init_64_arg_1 = var_24; [L206] state_63 = init_64_arg_1 [L207] SORT_1 init_66_arg_1 = var_24; [L208] state_65 = init_66_arg_1 [L209] SORT_1 init_68_arg_1 = var_24; [L210] state_67 = init_68_arg_1 [L211] SORT_1 init_70_arg_1 = var_24; [L212] state_69 = init_70_arg_1 [L213] SORT_1 init_72_arg_1 = var_24; [L214] state_71 = init_72_arg_1 [L215] SORT_1 init_74_arg_1 = var_24; [L216] state_73 = init_74_arg_1 [L217] SORT_1 init_76_arg_1 = var_24; [L218] state_75 = init_76_arg_1 [L219] SORT_1 init_78_arg_1 = var_24; [L220] state_77 = init_78_arg_1 [L221] SORT_1 init_80_arg_1 = var_24; [L222] state_79 = init_80_arg_1 [L223] SORT_1 init_82_arg_1 = var_24; [L224] state_81 = init_82_arg_1 [L225] SORT_1 init_84_arg_1 = var_24; [L226] state_83 = init_84_arg_1 [L227] SORT_1 init_86_arg_1 = var_24; [L228] state_85 = init_86_arg_1 [L229] SORT_1 init_88_arg_1 = var_24; [L230] state_87 = init_88_arg_1 [L231] SORT_1 init_90_arg_1 = var_24; [L232] state_89 = init_90_arg_1 [L233] SORT_1 init_92_arg_1 = var_24; [L234] state_91 = init_92_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, var_114=0, var_116=8, var_119=7, var_122=6, var_125=5, var_128=4, var_131=3, var_134=2, var_137=1, var_155=255, var_159=0, var_163=255, var_24=0, var_5=0, var_93=1, var_94=0] [L237] input_113 = __VERIFIER_nondet_uchar() [L238] EXPR input_113 & mask_SORT_1 [L238] input_113 = input_113 & mask_SORT_1 [L239] input_115 = __VERIFIER_nondet_uchar() [L240] EXPR input_115 & mask_SORT_1 [L240] input_115 = input_115 & mask_SORT_1 [L241] input_117 = __VERIFIER_nondet_uchar() [L242] EXPR input_117 & mask_SORT_1 [L242] input_117 = input_117 & mask_SORT_1 [L243] input_118 = __VERIFIER_nondet_uchar() [L244] EXPR input_118 & mask_SORT_1 [L244] input_118 = input_118 & mask_SORT_1 [L245] input_120 = __VERIFIER_nondet_uchar() [L246] EXPR input_120 & mask_SORT_1 [L246] input_120 = input_120 & mask_SORT_1 [L247] input_121 = __VERIFIER_nondet_uchar() [L248] EXPR input_121 & mask_SORT_1 [L248] input_121 = input_121 & mask_SORT_1 [L249] input_123 = __VERIFIER_nondet_uchar() [L250] EXPR input_123 & mask_SORT_1 [L250] input_123 = input_123 & mask_SORT_1 [L251] input_124 = __VERIFIER_nondet_uchar() [L252] EXPR input_124 & mask_SORT_1 [L252] input_124 = input_124 & mask_SORT_1 [L253] input_126 = __VERIFIER_nondet_uchar() [L254] EXPR input_126 & mask_SORT_1 [L254] input_126 = input_126 & mask_SORT_1 [L255] input_127 = __VERIFIER_nondet_uchar() [L256] EXPR input_127 & mask_SORT_1 [L256] input_127 = input_127 & mask_SORT_1 [L257] input_129 = __VERIFIER_nondet_uchar() [L258] EXPR input_129 & mask_SORT_1 [L258] input_129 = input_129 & mask_SORT_1 [L259] input_130 = __VERIFIER_nondet_uchar() [L260] EXPR input_130 & mask_SORT_1 [L260] input_130 = input_130 & mask_SORT_1 [L261] input_132 = __VERIFIER_nondet_uchar() [L262] EXPR input_132 & mask_SORT_1 [L262] input_132 = input_132 & mask_SORT_1 [L263] input_133 = __VERIFIER_nondet_uchar() [L264] EXPR input_133 & mask_SORT_1 [L264] input_133 = input_133 & mask_SORT_1 [L265] input_135 = __VERIFIER_nondet_uchar() [L266] EXPR input_135 & mask_SORT_1 [L266] input_135 = input_135 & mask_SORT_1 [L267] input_136 = __VERIFIER_nondet_uchar() [L268] EXPR input_136 & mask_SORT_1 [L268] input_136 = input_136 & mask_SORT_1 [L269] input_156 = __VERIFIER_nondet_uchar() [L270] EXPR input_156 & mask_SORT_1 [L270] input_156 = input_156 & mask_SORT_1 [L271] input_157 = __VERIFIER_nondet_uchar() [L272] EXPR input_157 & mask_SORT_1 [L272] input_157 = input_157 & mask_SORT_1 [L273] input_158 = __VERIFIER_nondet_uchar() [L274] EXPR input_158 & mask_SORT_1 [L274] input_158 = input_158 & mask_SORT_1 [L275] input_175 = __VERIFIER_nondet_uchar() [L276] EXPR input_175 & mask_SORT_1 [L276] input_175 = input_175 & mask_SORT_1 [L277] input_176 = __VERIFIER_nondet_uchar() [L278] EXPR input_176 & mask_SORT_1 [L278] input_176 = input_176 & mask_SORT_1 [L279] input_191 = __VERIFIER_nondet_uchar() [L280] EXPR input_191 & mask_SORT_1 [L280] input_191 = input_191 & mask_SORT_1 [L281] input_192 = __VERIFIER_nondet_uchar() [L282] EXPR input_192 & mask_SORT_1 [L282] input_192 = input_192 & mask_SORT_1 [L283] input_207 = __VERIFIER_nondet_uchar() [L284] EXPR input_207 & mask_SORT_1 [L284] input_207 = input_207 & mask_SORT_1 [L285] input_208 = __VERIFIER_nondet_uchar() [L286] EXPR input_208 & mask_SORT_1 [L286] input_208 = input_208 & mask_SORT_1 [L287] input_223 = __VERIFIER_nondet_uchar() [L288] EXPR input_223 & mask_SORT_1 [L288] input_223 = input_223 & mask_SORT_1 [L289] input_224 = __VERIFIER_nondet_uchar() [L290] EXPR input_224 & mask_SORT_1 [L290] input_224 = input_224 & mask_SORT_1 [L291] input_239 = __VERIFIER_nondet_uchar() [L292] EXPR input_239 & mask_SORT_1 [L292] input_239 = input_239 & mask_SORT_1 [L293] input_240 = __VERIFIER_nondet_uchar() [L294] EXPR input_240 & mask_SORT_1 [L294] input_240 = input_240 & mask_SORT_1 [L295] input_255 = __VERIFIER_nondet_uchar() [L296] EXPR input_255 & mask_SORT_1 [L296] input_255 = input_255 & mask_SORT_1 [L297] input_256 = __VERIFIER_nondet_uchar() [L298] EXPR input_256 & mask_SORT_1 [L298] input_256 = input_256 & mask_SORT_1 [L299] input_271 = __VERIFIER_nondet_uchar() [L300] EXPR input_271 & mask_SORT_1 [L300] input_271 = input_271 & mask_SORT_1 [L301] input_272 = __VERIFIER_nondet_uchar() [L302] EXPR input_272 & mask_SORT_1 [L302] input_272 = input_272 & mask_SORT_1 [L303] input_289 = __VERIFIER_nondet_uchar() [L304] input_297 = __VERIFIER_nondet_uchar() [L305] input_305 = __VERIFIER_nondet_uchar() [L306] input_313 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_329 = __VERIFIER_nondet_uchar() [L309] input_337 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_353 = __VERIFIER_nondet_uchar() [L312] input_361 = __VERIFIER_nondet_uchar() [L313] input_369 = __VERIFIER_nondet_uchar() [L314] input_377 = __VERIFIER_nondet_uchar() [L315] input_385 = __VERIFIER_nondet_uchar() [L316] input_393 = __VERIFIER_nondet_uchar() [L317] input_401 = __VERIFIER_nondet_uchar() [L318] input_409 = __VERIFIER_nondet_uchar() [L321] SORT_1 var_95_arg_0 = state_33; [L322] SORT_4 var_95_arg_1 = var_93; [L323] SORT_4 var_95_arg_2 = var_94; [L324] SORT_4 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L325] SORT_1 var_96_arg_0 = state_41; [L326] SORT_4 var_96_arg_1 = var_93; [L327] SORT_4 var_96_arg_2 = var_94; [L328] SORT_4 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L329] SORT_4 var_97_arg_0 = var_95; [L330] SORT_4 var_97_arg_1 = var_96; [L331] SORT_4 var_97 = var_97_arg_0 + var_97_arg_1; [L332] SORT_1 var_98_arg_0 = state_49; [L333] SORT_4 var_98_arg_1 = var_93; [L334] SORT_4 var_98_arg_2 = var_94; [L335] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L336] SORT_4 var_99_arg_0 = var_97; [L337] SORT_4 var_99_arg_1 = var_98; [L338] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L339] SORT_1 var_100_arg_0 = state_57; [L340] SORT_4 var_100_arg_1 = var_93; [L341] SORT_4 var_100_arg_2 = var_94; [L342] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L343] SORT_4 var_101_arg_0 = var_99; [L344] SORT_4 var_101_arg_1 = var_100; [L345] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L346] SORT_1 var_102_arg_0 = state_65; [L347] SORT_4 var_102_arg_1 = var_93; [L348] SORT_4 var_102_arg_2 = var_94; [L349] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L350] SORT_4 var_103_arg_0 = var_101; [L351] SORT_4 var_103_arg_1 = var_102; [L352] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L353] SORT_1 var_104_arg_0 = state_73; [L354] SORT_4 var_104_arg_1 = var_93; [L355] SORT_4 var_104_arg_2 = var_94; [L356] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L357] SORT_4 var_105_arg_0 = var_103; [L358] SORT_4 var_105_arg_1 = var_104; [L359] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L360] SORT_1 var_106_arg_0 = state_81; [L361] SORT_4 var_106_arg_1 = var_93; [L362] SORT_4 var_106_arg_2 = var_94; [L363] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L364] SORT_4 var_107_arg_0 = var_105; [L365] SORT_4 var_107_arg_1 = var_106; [L366] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L367] SORT_1 var_108_arg_0 = state_89; [L368] SORT_4 var_108_arg_1 = var_93; [L369] SORT_4 var_108_arg_2 = var_94; [L370] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L371] SORT_4 var_109_arg_0 = var_107; [L372] SORT_4 var_109_arg_1 = var_108; [L373] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L374] EXPR var_109 & mask_SORT_4 [L374] var_109 = var_109 & mask_SORT_4 [L375] SORT_4 var_110_arg_0 = var_109; [L376] SORT_4 var_110_arg_1 = var_93; [L377] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L378] SORT_1 var_111_arg_0 = ~state_91; [L379] EXPR var_111_arg_0 & mask_SORT_1 [L379] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L380] SORT_1 var_111_arg_1 = ~var_110; [L381] EXPR var_111_arg_1 & mask_SORT_1 [L381] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L382] EXPR var_111_arg_0 & var_111_arg_1 [L382] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L383] EXPR var_111 & mask_SORT_1 [L383] var_111 = var_111 & mask_SORT_1 [L384] SORT_1 bad_112_arg_0 = var_111; [L385] CALL __VERIFIER_assert(!(bad_112_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.78ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 73.5MB in the end (delta: 13.5MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1039.20ms. Allocated memory was 142.6MB in the beginning and 341.8MB in the end (delta: 199.2MB). Free memory was 73.5MB in the beginning and 142.0MB in the end (delta: -68.5MB). Peak memory consumption was 172.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1200.31ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 142.0MB in the beginning and 436.6MB in the end (delta: -294.6MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * RCFGBuilder took 22255.26ms. Allocated memory was 683.7MB in the beginning and 5.4GB in the end (delta: 4.7GB). Free memory was 436.6MB in the beginning and 4.8GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 4058.82ms. Allocated memory is still 5.4GB. Free memory was 4.8GB in the beginning and 4.5GB in the end (delta: 321.9MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 5.4GB. Free memory is still 4.5GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:17:57,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/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_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/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 64bit --witnessprinter.graph.data.programhash 8fc5057fe82ed1db302d26bdd0f0ededbd24fba8d2d0cf7da98afd2bf9d175e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:59,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:59,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:17:59,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:59,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:59,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:59,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:59,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:59,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:59,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:59,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:59,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:59,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:59,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:59,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:17:59,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:17:59,639 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:17:59,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:59,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:59,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:59,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:59,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:59,642 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:59,643 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:59,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:59,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:59,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:59,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:59,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:59,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:17:59,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:59,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:59,647 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:17:59,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:59,647 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_324080bf-b29a-4391-a5e9-81393aae77e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc5057fe82ed1db302d26bdd0f0ededbd24fba8d2d0cf7da98afd2bf9d175e2 [2023-12-02 22:17:59,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:59,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:59,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:59,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:59,967 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:59,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c [2023-12-02 22:18:02,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:18:03,190 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:18:03,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c [2023-12-02 22:18:03,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/d08d38f95/371eca4d3b864842a856ae4f77e6e0b4/FLAGdadf9f748 [2023-12-02 22:18:03,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/data/d08d38f95/371eca4d3b864842a856ae4f77e6e0b4 [2023-12-02 22:18:03,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:18:03,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:18:03,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:18:03,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:18:03,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:18:03,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:03" (1/1) ... [2023-12-02 22:18:03,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1b4d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:03, skipping insertion in model container [2023-12-02 22:18:03,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:03" (1/1) ... [2023-12-02 22:18:03,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:18:03,531 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_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c[1174,1187] [2023-12-02 22:18:03,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:03,890 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:18:03,900 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_324080bf-b29a-4391-a5e9-81393aae77e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.6.prop1-func-interl.c[1174,1187] [2023-12-02 22:18:04,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:04,072 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:18:04,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04 WrapperNode [2023-12-02 22:18:04,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:18:04,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:04,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:18:04,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:18:04,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,253 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2906 [2023-12-02 22:18:04,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:04,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:18:04,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:18:04,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:18:04,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:18:04,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:18:04,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:18:04,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:18:04,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:04" (1/1) ... [2023-12-02 22:18:04,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:18:04,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:18:04,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:18:04,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:18:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:18:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:18:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:18:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:18:04,950 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:18:04,953 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:18:08,807 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:18:08,987 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:18:08,987 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:18:08,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:08 BoogieIcfgContainer [2023-12-02 22:18:08,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:18:08,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:18:08,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:18:08,998 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:18:08,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:08" (1/1) ... [2023-12-02 22:18:09,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:18:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:18:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:18:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:18:09,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:09,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:09,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:09,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:18:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:10,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 22:18:10,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:18:11,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:18:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:18:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:18:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:18:12,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:12,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:12,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:12,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:12,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:18:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:14,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:14,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:18:14,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:18:26,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:18:51,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:18:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:18:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:18:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:18:52,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:52,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:52,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:18:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:54,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:55,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:18:55,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:03,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:19:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:03,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:03,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:03,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:03,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:03,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:19:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:05,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:06,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:19:06,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:14,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:19:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:14,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:14,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:14,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:14,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:19:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:16,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:17,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:19:17,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:25,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:19:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:25,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:25,363 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:25,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:19:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:27,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:27,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:19:27,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:35,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:19:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:35,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:35,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:35,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:35,967 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:35,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:19:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:37,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:38,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:19:38,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:46,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:19:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:46,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:46,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:46,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:46,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:46,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:19:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:48,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:49,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:19:49,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:57,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:19:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:19:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:19:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:19:57,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:57,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:57,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:57,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:57,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:19:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:59,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:00,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:00,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:08,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:20:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:20:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:20:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:20:08,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:08,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:08,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:08,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:20:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:10,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:10,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:10,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:18,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:20:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:20:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:20:18,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:20:18,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:18,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:18,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:20:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:20,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:21,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:21,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:28,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:20:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:20:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:20:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:20:29,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:29,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:29,032 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:29,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:20:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:30,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:31,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:31,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:39,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:20:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:20:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:20:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:20:39,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:39,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:39,599 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:39,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:20:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:41,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:42,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:42,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:20:50,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:20:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:20:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:20:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:20:50,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:50,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:50,222 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:50,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:20:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:51,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:52,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:20:52,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:00,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:21:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:00,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:00,627 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:00,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:21:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:02,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:03,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:03,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:11,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:21:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:11,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:11,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:11,665 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:11,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:21:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:13,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:14,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:14,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:22,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:21:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:22,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:22,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:22,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:22,466 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:22,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:21:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:24,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:25,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:25,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:33,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:21:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:33,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:33,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:33,337 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:33,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:21:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:35,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:35,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:35,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:44,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:21:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:44,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:44,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:44,091 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:44,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:21:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:45,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:46,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:46,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:54,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:21:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:21:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:21:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:54,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:54,969 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:54,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:21:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:56,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:57,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:21:57,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:05,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:22:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:22:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:22:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:05,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:05,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:05,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:05,669 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:22:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:07,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:08,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:22:08,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:16,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:22:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:22:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:22:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:16,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:16,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:16,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:16,390 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:16,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:22:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:18,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:19,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:22:19,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:27,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:22:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:22:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:22:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:27,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:27,106 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:22:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:29,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:29,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:22:29,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:38,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 22:22:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:22:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:22:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:38,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:38,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:38,186 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:38,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:22:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:40,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:22:40,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:49,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:22:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:22:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:22:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:49,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:49,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:49,632 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:49,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:22:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:51,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:52,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:22:52,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:00,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:23:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:00,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:00,361 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:00,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:23:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:02,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:02,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:03,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:10,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:23:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:10,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:10,843 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:10,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:23:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:12,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:13,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:13,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:20,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:23:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:20,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:20,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:20,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:20,961 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:20,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:23:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:22,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:23,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:23,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:31,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:23:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:31,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:31,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:31,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:31,547 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:31,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:23:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:33,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:34,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:34,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:42,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:23:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:42,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:42,299 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:42,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:23:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:44,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:44,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:44,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:52,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:23:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:23:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:23:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:23:52,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:52,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:52,625 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:52,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:23:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:54,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:55,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:23:55,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:02,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:24:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:02,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:02,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:02,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:02,827 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:02,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:24:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:04,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:05,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:05,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:13,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:24:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:13,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:13,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:13,159 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:13,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:24:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:15,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:15,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:15,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:23,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:24:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:23,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:23,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:23,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:23,414 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:23,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:24:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:25,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:26,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:26,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:33,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:24:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:33,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:33,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:33,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:33,620 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:33,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:24:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:35,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:36,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:36,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:43,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:24:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:43,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:43,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:43,422 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:43,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:24:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:45,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:45,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:45,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:53,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:24:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:24:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:24:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:24:53,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:53,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:53,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:53,362 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:53,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:24:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:55,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:56,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:24:56,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:03,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 22:25:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:03,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:03,580 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:03,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:25:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:05,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:06,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:06,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:13,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:25:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:13,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:13,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:13,628 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:13,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:25:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:15,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:16,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:16,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:23,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:25:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:23,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:23,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:23,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:23,928 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:23,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:25:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:25,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:26,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:26,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:34,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-02 22:25:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:34,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:34,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:34,353 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:34,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:25:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:36,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:37,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:37,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:44,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:25:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:44,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:44,839 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:44,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:25:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:46,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:47,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:47,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:55,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:25:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:25:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:25:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:25:55,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:55,092 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:55,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:25:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:56,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:57,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:25:57,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:05,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:26:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:05,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:05,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:05,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:05,267 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:26:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:07,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:07,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:07,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:15,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:26:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:15,400 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:26:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:17,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:17,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:17,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:25,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:26:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:25,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:25,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:25,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:25,504 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:25,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:26:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:27,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:28,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:28,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:35,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:26:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:35,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:35,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:35,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:35,698 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:35,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:26:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:37,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:38,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:38,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:45,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:26:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:45,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:45,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:45,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:45,878 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:45,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:26:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:47,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:48,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:48,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:26:56,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:26:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:26:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:26:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:26:56,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:56,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:56,119 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:56,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:26:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:58,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:58,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:26:58,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:06,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:27:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:06,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:06,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:06,488 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:06,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:27:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:08,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:09,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:09,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:16,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:27:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:16,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:16,571 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:16,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:27:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:18,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:19,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:19,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:26,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:27:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:26,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:26,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:26,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:26,455 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:26,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:27:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:28,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:29,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:29,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:36,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:36,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:36,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:36,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:36,814 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:36,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:27:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:38,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:39,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:39,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:46,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:27:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:46,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:46,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:46,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:46,853 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:46,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:27:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:48,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:49,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:49,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:56,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:27:56,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-02 22:27:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:27:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:27:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:27:57,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:57,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:57,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:57,052 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:57,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:27:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:58,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:59,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:27:59,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:07,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:28:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:07,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:07,127 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:07,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:28:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:09,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:09,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:28:09,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:17,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:28:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:17,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:17,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:17,553 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:17,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:28:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:19,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:20,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:28:20,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:27,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:28:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:27,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:27,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:27,952 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:27,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:28:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:30,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:30,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:28:30,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:38,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:28:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:38,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:38,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:38,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:38,249 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:28:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:40,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:40,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:28:41,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:48,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:28:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:48,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:48,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:48,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:48,785 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:48,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:28:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:50,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:51,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:28:51,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:58,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 22:28:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:28:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:28:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:59,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:59,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:59,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:59,036 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:59,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:29:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:00,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:01,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:01,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:09,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:29:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:09,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:09,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:09,413 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:09,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:29:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:11,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:12,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:12,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:19,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:29:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:19,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:19,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:19,641 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:19,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:29:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:21,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:22,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:22,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:29,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:29:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:29,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:29,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:29,871 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:29,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:29:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:31,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:32,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:32,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:40,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-02 22:29:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:40,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:40,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:40,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:40,142 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:40,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:29:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:42,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:42,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:42,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:29:50,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:29:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:29:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:29:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:50,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:50,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:50,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:50,312 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:29:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:52,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:53,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:29:53,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:00,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:30:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:00,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:00,695 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:00,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:30:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:02,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:03,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:03,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:30:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:11,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:11,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:11,351 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:11,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:30:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:13,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:14,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:14,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:21,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:30:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:21,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:21,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:21,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:21,835 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:21,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:30:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:23,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:24,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:24,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:32,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:30:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:32,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:32,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:32,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:32,249 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:32,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:30:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:34,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:34,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:34,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:42,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 22:30:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:42,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:42,852 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:42,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:30:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:45,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:45,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:45,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:53,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:30:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:30:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:30:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:53,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:53,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:53,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:53,123 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:30:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:55,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:56,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 22:30:56,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:03,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:31:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-02 22:31:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-02 22:31:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:31:03,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:03,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:03,802 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:03,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324080bf-b29a-4391-a5e9-81393aae77e4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process