./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:56,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:56,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:35:56,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:35:56,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:35:56,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:56,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:56,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:56,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:56,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:56,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:56,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:56,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:35:56,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:35:56,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:35:56,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:56,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:56,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:56,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:56,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:35:56,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:56,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:56,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:56,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:56,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:56,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:56,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:56,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:56,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:56,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:56,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:35:56,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:35:56,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:56,770 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2023-12-03 03:35:56,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:57,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:57,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:57,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:57,014 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:57,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-03 03:35:59,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:59,988 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:59,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-03 03:35:59,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/d95525e0f/d9fe10e435994ce5a1585d63cd50f15a/FLAG466814063 [2023-12-03 03:36:00,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/d95525e0f/d9fe10e435994ce5a1585d63cd50f15a [2023-12-03 03:36:00,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:36:00,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:36:00,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:00,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:36:00,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:36:00,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f339051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00, skipping insertion in model container [2023-12-03 03:36:00,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:36:00,348 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-03 03:36:00,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:00,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:36:00,466 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-03 03:36:00,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:00,492 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:36:00,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00 WrapperNode [2023-12-03 03:36:00,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:00,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:00,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:36:00,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:36:00,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,625 INFO L138 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1123 [2023-12-03 03:36:00,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:00,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:36:00,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:36:00,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:36:00,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:36:00,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:36:00,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:36:00,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:36:00,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:00" (1/1) ... [2023-12-03 03:36:00,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:00,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:36:00,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:36:00,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:36:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:36:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2023-12-03 03:36:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2023-12-03 03:36:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2023-12-03 03:36:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2023-12-03 03:36:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:36:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 03:36:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:36:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 03:36:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:36:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 03:36:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2023-12-03 03:36:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2023-12-03 03:36:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-03 03:36:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-03 03:36:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:36:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:36:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:36:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:36:00,962 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:36:00,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:36:01,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:36:02,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:36:02,374 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 03:36:02,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:02 BoogieIcfgContainer [2023-12-03 03:36:02,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:36:02,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:36:02,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:36:02,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:36:02,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:02" (1/1) ... [2023-12-03 03:36:02,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:36:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-12-03 03:36:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-12-03 03:36:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:36:02,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:02,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 175 states and 286 transitions. [2023-12-03 03:36:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2023-12-03 03:36:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:36:02,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:02,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:02,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:36:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:02,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:36:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:03,017 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:36:03,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:36:03 ImpRootNode [2023-12-03 03:36:03,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:36:03,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:36:03,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:36:03,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:36:03,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:02" (3/4) ... [2023-12-03 03:36:03,060 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:36:03,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:36:03,061 INFO L158 Benchmark]: Toolchain (without parser) took 3047.38ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 116.5MB in the beginning and 82.5MB in the end (delta: 34.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,062 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:03,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.90ms. Allocated memory is still 161.5MB. Free memory was 116.1MB in the beginning and 90.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.82ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 90.6MB in the beginning and 161.5MB in the end (delta: -71.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,063 INFO L158 Benchmark]: Boogie Preprocessor took 107.36ms. Allocated memory is still 197.1MB. Free memory was 161.5MB in the beginning and 155.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,064 INFO L158 Benchmark]: RCFGBuilder took 1641.13ms. Allocated memory is still 197.1MB. Free memory was 155.2MB in the beginning and 134.9MB in the end (delta: 20.3MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,065 INFO L158 Benchmark]: CodeCheck took 680.11ms. Allocated memory is still 197.1MB. Free memory was 133.9MB in the beginning and 82.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 03:36:03,065 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 197.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:03,068 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 5 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 61 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 647]: 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 someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=2, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, y={12155:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] ieee_double_shape_type gh_u; [L609] EXPR gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] EXPR (ix) = gh_u.parts.msw [L607-L611] { ieee_double_shape_type gh_u; gh_u.value = (x); (ix) = gh_u.parts.msw; } VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=2, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, y={12155:0}, z=0, zero_krempio=0, zero_rempio=0] [L613] ix &= 0x7fffffff VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=2, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, y={12155:0}, z=0, zero_krempio=0, zero_rempio=0] [L614] COND FALSE !(ix <= 0x3fe921fb) VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=2, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, y={12155:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=2, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, z=0, zero_krempio=0, zero_rempio=0] [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, res=3, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=2, zero_krempio=0, zero_rempio=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.90ms. Allocated memory is still 161.5MB. Free memory was 116.1MB in the beginning and 90.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.82ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 90.6MB in the beginning and 161.5MB in the end (delta: -71.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.36ms. Allocated memory is still 197.1MB. Free memory was 161.5MB in the beginning and 155.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1641.13ms. Allocated memory is still 197.1MB. Free memory was 155.2MB in the beginning and 134.9MB in the end (delta: 20.3MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * CodeCheck took 680.11ms. Allocated memory is still 197.1MB. Free memory was 133.9MB in the beginning and 82.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 197.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:36:03,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:36:04,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:36:05,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:36:05,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:36:05,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:36:05,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:36:05,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:36:05,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:36:05,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:36:05,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:36:05,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:36:05,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:36:05,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:36:05,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:36:05,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:36:05,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:36:05,102 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:36:05,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:36:05,103 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:36:05,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:36:05,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:36:05,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:36:05,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:36:05,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:36:05,106 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:36:05,107 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:05,107 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:36:05,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:36:05,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:05,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:36:05,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:36:05,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:36:05,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:36:05,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:05,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:36:05,111 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:36:05,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:36:05,111 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2023-12-03 03:36:05,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:36:05,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:36:05,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:36:05,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:36:05,427 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:36:05,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-03 03:36:08,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:36:08,415 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:36:08,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-03 03:36:08,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/1919d5e6f/a11de54a577945239b3cf69078de25b9/FLAGeabd53a3c [2023-12-03 03:36:08,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/data/1919d5e6f/a11de54a577945239b3cf69078de25b9 [2023-12-03 03:36:08,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:36:08,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:36:08,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:08,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:36:08,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:36:08,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:08,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c3482d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08, skipping insertion in model container [2023-12-03 03:36:08,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:08,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:36:08,788 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-03 03:36:08,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:08,820 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:36:08,961 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_476dd93e-b22d-4eb4-83ca-c61d2e55d881/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-03 03:36:08,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:08,993 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:36:08,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08 WrapperNode [2023-12-03 03:36:08,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:08,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:08,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:36:08,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:36:09,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,087 INFO L138 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1033 [2023-12-03 03:36:09,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:09,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:36:09,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:36:09,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:36:09,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:36:09,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:36:09,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:36:09,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:36:09,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:08" (1/1) ... [2023-12-03 03:36:09,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:36:09,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:36:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:36:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:36:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 03:36:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2023-12-03 03:36:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2023-12-03 03:36:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 03:36:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:36:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:36:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2023-12-03 03:36:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2023-12-03 03:36:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:36:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-03 03:36:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:36:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2023-12-03 03:36:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2023-12-03 03:36:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-03 03:36:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-03 03:36:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:36:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:36:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:36:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:36:09,429 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:36:09,431 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:39:14,735 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:39:15,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:39:15,023 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 03:39:15,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:39:15 BoogieIcfgContainer [2023-12-03 03:39:15,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:39:15,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:39:15,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:39:15,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:39:15,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:39:15" (1/1) ... [2023-12-03 03:39:15,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:39:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-12-03 03:39:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-12-03 03:39:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:39:15,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:15,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:15,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:15,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:15,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:39:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:16,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:16,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:39:16,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:39:16,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:39:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 175 states and 286 transitions. [2023-12-03 03:39:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2023-12-03 03:39:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:39:16,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:16,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:16,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:39:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:20,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:21,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:39:21,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:39:21,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:39:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 177 states and 294 transitions. [2023-12-03 03:39:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 294 transitions. [2023-12-03 03:39:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:39:23,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:23,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:23,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:23,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:23,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:39:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:25,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:25,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:39:25,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:39:25,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 03:39:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2023-12-03 03:39:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2023-12-03 03:39:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:39:25,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:25,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:25,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:25,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:25,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:39:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:28,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:28,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:39:28,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:39:39,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:41:33,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:41:43,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:41:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 178 states and 294 transitions. [2023-12-03 03:41:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 294 transitions. [2023-12-03 03:41:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:41:43,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:43,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:43,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:43,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:41:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:44,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:45,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:45,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:45,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 03:41:55,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:57,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:41:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:41:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:41:57,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:57,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:57,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:42:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:00,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:00,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:00,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:00,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:42:00,990 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:42:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:00,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:01,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:01,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:01,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:42:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:04,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:04,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:04,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:04,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:42:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:04,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:04,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:04,793 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:04,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:42:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:07,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:08,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:08,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:08,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:42:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:08,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:08,574 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:08,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:42:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:11,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:11,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:11,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:12,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:42:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:12,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:12,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:12,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:12,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:42:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:15,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:16,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:16,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:16,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 03:42:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:16,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:16,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:16,559 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:16,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:42:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:20,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:20,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:20,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:20,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:42:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:21,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:21,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:21,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:21,004 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:21,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:42:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:24,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:24,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:24,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:24,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 03:42:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:24,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:24,781 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:24,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:42:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:28,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:28,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:28,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:28,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:42:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:28,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:28,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:28,645 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:28,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:42:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:31,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:32,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:32,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:32,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 03:42:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:32,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:32,598 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:42:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:35,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:35,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:35,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:36,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:42:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:36,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:36,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:36,423 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:36,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:42:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:39,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:39,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:39,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:40,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:42:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:40,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:40,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:40,197 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:42:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:43,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:43,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:43,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:44,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:42:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:44,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:44,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:44,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:44,007 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:44,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:42:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:47,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:47,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:47,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:47,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:42:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:47,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:47,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:47,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:47,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:47,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:42:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:51,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:51,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:51,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:51,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:42:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:51,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:51,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:51,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:51,649 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:51,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:42:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:54,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:54,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:42:54,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:55,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:42:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:55,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:55,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:55,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:55,437 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:55,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:42:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:58,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:58,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:42:58,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:59,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 03:42:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:42:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:42:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:42:59,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:59,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:59,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:59,220 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:59,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:43:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:02,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:02,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:02,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:03,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:43:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:03,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:03,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:03,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:03,023 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:03,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:43:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:06,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:06,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:06,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:06,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:43:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:06,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:06,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:06,768 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:43:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:09,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:10,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:10,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:10,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:43:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:10,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:10,561 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:10,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:43:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:13,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:13,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:13,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:14,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:43:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:14,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:14,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:14,355 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:14,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:43:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:17,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:17,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:17,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:18,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 03:43:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:18,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:18,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:18,147 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:18,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:43:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:21,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:21,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:21,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:21,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:43:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:21,944 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:21,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:21,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:21,945 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:43:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:25,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:25,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:25,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:25,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:43:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:25,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:25,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:25,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:25,739 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:25,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:43:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:28,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:29,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:29,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:29,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:43:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:29,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:29,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:29,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:29,594 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:29,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:43:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:32,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:32,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:32,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:33,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 03:43:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:33,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:33,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:33,445 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:33,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:43:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:36,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:36,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:36,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:37,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:43:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:37,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:37,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:37,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:37,268 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:37,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:43:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:40,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:40,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:40,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:41,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 03:43:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:41,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:41,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:41,129 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:41,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:43:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:44,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:44,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:44,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:44,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:43:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:44,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:44,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:44,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:44,961 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:44,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:43:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:48,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:48,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:48,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:48,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:43:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:48,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:48,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:48,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:48,801 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:48,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:43:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:52,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:52,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:52,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:52,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:43:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:52,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:52,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:52,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:52,650 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:52,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:43:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:55,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:56,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:43:56,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:56,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:43:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:43:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:43:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:43:56,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:56,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:56,491 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:56,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:43:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:59,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:59,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:43:59,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:00,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:44:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:00,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:00,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:00,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:00,341 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:00,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:44:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:03,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:04,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:04,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:04,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:04,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:04,141 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:44:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:07,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:07,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:07,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:08,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:44:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:08,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:08,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:08,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:08,087 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:08,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:44:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:11,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:11,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:44:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:11,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:11,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:11,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:11,901 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:11,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:44:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:15,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:15,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:15,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:15,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:44:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:15,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:15,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:15,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:15,722 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:15,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:44:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:18,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:19,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:19,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:19,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:44:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:19,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:19,549 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:19,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:44:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:22,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:22,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:22,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:23,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:44:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:23,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:23,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:23,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:23,440 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:44:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:26,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:26,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:26,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:27,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:44:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:27,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:27,302 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:27,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:44:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:30,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:30,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:30,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:31,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:44:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:31,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:31,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:31,344 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:31,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:44:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:34,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:34,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:34,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:35,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:44:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:35,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:35,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:35,462 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:35,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:44:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:38,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:38,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:38,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:39,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:44:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:39,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:39,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:39,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:39,347 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:39,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:44:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:43,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:43,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:43,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:43,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:44:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:43,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:43,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:43,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:43,780 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:44:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:47,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:47,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:47,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:48,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:44:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:48,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:48,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:48,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:48,048 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:48,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:44:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:51,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:52,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:44:52,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:52,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:52,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:52,485 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:52,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:44:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:56,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:56,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:44:56,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:57,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:44:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:44:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:44:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:44:57,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:57,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:57,068 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:57,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:45:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:00,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:00,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:00,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:01,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:45:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:01,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:01,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:01,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:01,271 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:01,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:45:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:05,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:05,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:05,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:05,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:45:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:05,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:05,684 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:05,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:45:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:09,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:09,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:09,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:09,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:45:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:09,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:09,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:09,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:09,773 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:09,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:45:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:13,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:13,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:13,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:13,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:45:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:13,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:13,767 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:13,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:45:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:17,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:17,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:17,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:17,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 03:45:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:17,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:17,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:17,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:17,778 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:17,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:45:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:21,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:21,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:21,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:21,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:45:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:21,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:21,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:21,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:21,794 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:21,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:45:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:25,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:25,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 03:45:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:25,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:25,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:25,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:25,656 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:25,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:45:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:29,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:29,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:29,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:29,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:45:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:29,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:29,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:29,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:29,721 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:29,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:45:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:33,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:33,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:33,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:33,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:33,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:33,594 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:45:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:37,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:37,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:37,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:37,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:45:37,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:37,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:37,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:37,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:37,639 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:37,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:45:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:40,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:41,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:41,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:41,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:45:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:41,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:41,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:41,539 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:41,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:45:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:45,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:45,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:45,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:45,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:45:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:45,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:45,630 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:45,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:45:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:48,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:49,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:49,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:49,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:49,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:49,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:49,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:49,567 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:49,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:45:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:52,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:53,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:45:53,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:53,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:45:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:53,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:53,547 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:53,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:45:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:56,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:56,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:45:56,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:57,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:45:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:45:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:45:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:45:57,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:57,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:57,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:57,437 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:57,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:46:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:00,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:00,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:46:00,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:01,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:46:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:01,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:01,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:01,335 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:01,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:46:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:04,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:04,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:46:04,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:05,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:46:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:05,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:05,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:05,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:05,263 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:05,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:46:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:08,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:08,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:08,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:09,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:46:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:09,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:09,114 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:09,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:46:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:12,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:12,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:12,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:13,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:46:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:13,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:13,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:13,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:13,092 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:13,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:46:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:16,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:16,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:16,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:16,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:16,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:16,925 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:16,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:46:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:20,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:20,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:46:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:20,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:20,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:20,817 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:46:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:24,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:24,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:46:24,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:24,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 03:46:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:24,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:24,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:24,768 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:24,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:46:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:28,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:28,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:46:28,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:28,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:46:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:28,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:28,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:28,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:28,715 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:28,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:46:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:32,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:32,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:32,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:32,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:32,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:32,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:32,745 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:46:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:36,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:36,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:46:36,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:36,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 03:46:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:36,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:36,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:36,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:36,684 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:36,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:46:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:40,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:40,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:40,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:40,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:46:40,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:40,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:40,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:40,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:40,616 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:40,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:46:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:43,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:44,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:44,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:44,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 03:46:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:44,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:44,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:44,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:44,539 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:44,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:46:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:47,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:48,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:48,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:48,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:46:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:48,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:48,540 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:48,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:46:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:51,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:52,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:52,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:52,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:46:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:52,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:52,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:52,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:52,615 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:52,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:46:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:55,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:56,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:46:56,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:56,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:46:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:46:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:46:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:46:56,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:56,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:56,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:56,599 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:56,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:47:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:00,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:00,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:00,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:00,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 03:47:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:00,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:00,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:00,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:00,665 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:00,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:47:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:04,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:04,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:04,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:04,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 03:47:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:04,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:04,724 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:04,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:47:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:08,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:08,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:47:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:08,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:08,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:08,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:08,723 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:08,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:47:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:12,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:12,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:47:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:12,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:12,785 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:12,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:47:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:16,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:16,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:16,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:16,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:47:16,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:16,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:16,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:16,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:16,831 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:16,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:47:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:20,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:20,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:20,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:20,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:47:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:20,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:20,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:20,932 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:20,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:47:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:24,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:24,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:24,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:24,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:47:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:24,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:24,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:24,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:24,980 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:24,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:47:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:28,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:28,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:28,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:29,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:29,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:29,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:29,123 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:29,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:47:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:32,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:33,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:47:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:33,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:33,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:33,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:33,298 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:33,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:47:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:36,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:36,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:36,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:37,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 03:47:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:37,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:37,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:37,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:37,399 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:37,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:47:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:40,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:41,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:41,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:41,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:47:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:41,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:41,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:41,566 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:41,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:47:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:45,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:45,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:45,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:45,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:45,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:45,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:45,708 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:47:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:49,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:50,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 03:47:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:50,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:50,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:50,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:50,129 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:50,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 03:47:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:53,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:53,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:47:53,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:54,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 03:47:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:54,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:54,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:54,404 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:54,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 03:47:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:58,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:58,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:47:58,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:58,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:47:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:47:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:47:58,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:58,710 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 03:48:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:02,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:02,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:02,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:03,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:03,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:03,067 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:03,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 03:48:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:06,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:06,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:06,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:07,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 03:48:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:07,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:07,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:07,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:07,315 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:07,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 03:48:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:11,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:11,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:11,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:11,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 03:48:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:11,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:11,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:11,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:11,659 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 03:48:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:15,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:15,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:15,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:15,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 03:48:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:15,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:15,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:15,757 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:15,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 03:48:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:19,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:19,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:19,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:19,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 03:48:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:19,880 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:19,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:19,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:19,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:19,881 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 03:48:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:23,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:23,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:23,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:23,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 03:48:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:23,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:23,910 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:23,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 03:48:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:27,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:27,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:27,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:28,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 03:48:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:28,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:28,083 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:28,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 03:48:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:31,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:31,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:31,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:32,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:32,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:32,116 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:32,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 03:48:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:35,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:35,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:35,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:36,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 03:48:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:36,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:36,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:36,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:36,197 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:36,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 03:48:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:39,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:40,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 03:48:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:40,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:40,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:40,380 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 03:48:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:43,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:44,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:44,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:44,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 03:48:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:44,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:44,602 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:44,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 03:48:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:48,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:48,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:48:48,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:48,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 03:48:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:48,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:48,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:48,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:48,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:48,705 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:48,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 03:48:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:52,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:52,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:52,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:53,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 03:48:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:53,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:53,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:53,022 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:53,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 03:48:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:56,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:56,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:48:56,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:57,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 03:48:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:48:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:48:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:57,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:57,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:57,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:57,346 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:57,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 03:49:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:00,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:00,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:00,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:01,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 03:49:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:01,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:01,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:01,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:01,464 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 03:49:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:05,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:05,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:05,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:05,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 03:49:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:05,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:05,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:05,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:05,652 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:05,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 03:49:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:09,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:09,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:09,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:09,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 03:49:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:09,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:09,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:09,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:09,847 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:09,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 03:49:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:13,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:13,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:13,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:13,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 03:49:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:13,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:13,880 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:13,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 03:49:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:17,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:17,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:17,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:18,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 03:49:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:18,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:18,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:18,015 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:18,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 03:49:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:21,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:21,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:21,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:22,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 03:49:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:22,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:22,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:22,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:22,083 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:22,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 03:49:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:25,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:25,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:25,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:26,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2023-12-03 03:49:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:26,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:26,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:26,120 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:26,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 03:49:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:29,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:29,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:29,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:30,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2023-12-03 03:49:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:30,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:30,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:30,176 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:30,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 03:49:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:33,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:33,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:33,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:34,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 03:49:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:34,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:34,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:34,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:34,194 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:34,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 03:49:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:37,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:37,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:37,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:38,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 03:49:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:38,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:38,280 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:38,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 03:49:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:41,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:41,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:41,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:42,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 03:49:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:42,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:42,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:42,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:42,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:42,374 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:42,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 03:49:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:45,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:46,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:46,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:46,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 03:49:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:46,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:46,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:46,480 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:46,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 03:49:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:50,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:50,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:50,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:50,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 03:49:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:50,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:50,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:50,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:50,635 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:50,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 03:49:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:54,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:54,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:49:54,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:54,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 03:49:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:54,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:54,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:54,763 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:54,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 03:49:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:58,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:58,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:49:58,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:58,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 03:49:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:49:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:49:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:58,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:58,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:58,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:58,850 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:58,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:50:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:02,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:02,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:50:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:02,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:02,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:02,965 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:02,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:50:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:06,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:06,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:50:06,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:07,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 03:50:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:07,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:07,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:07,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:07,116 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:07,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:50:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:10,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:11,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:50:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:11,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:11,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:11,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:11,304 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:11,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:50:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:14,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:15,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:15,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:15,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:50:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:15,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:15,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:15,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:15,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:15,470 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:15,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:50:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:19,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:19,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:19,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:19,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 03:50:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:19,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:19,636 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:19,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 03:50:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:23,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:23,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:23,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:23,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 03:50:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:23,719 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:23,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:23,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:23,720 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:23,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 03:50:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:27,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:27,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:50:27,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:27,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 03:50:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:27,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:27,801 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:27,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 03:50:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:31,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:31,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:31,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:31,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 03:50:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:31,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:31,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:31,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:31,866 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:31,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 03:50:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:35,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:35,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:35,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:35,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 03:50:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:35,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:35,942 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:35,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 03:50:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:39,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:39,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:39,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:40,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 03:50:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:40,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:40,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:40,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:40,076 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:40,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 03:50:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:43,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:43,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:43,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:44,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 03:50:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:44,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:44,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:44,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:44,190 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:44,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 03:50:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:50:47,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 03:50:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-12-03 03:50:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-12-03 03:50:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:48,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:48,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:48,363 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:48,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476dd93e-b22d-4eb4-83ca-c61d2e55d881/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process