./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:39:19,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:39:19,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:39:19,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:39:19,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:39:19,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:39:19,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:39:19,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:39:19,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:39:19,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:39:19,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:39:19,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:39:19,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:39:19,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:39:19,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:39:19,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:39:19,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:39:19,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:39:19,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:39:19,601 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:39:19,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:39:19,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:39:19,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:39:19,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:39:19,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:39:19,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:39:19,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:39:19,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:39:19,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:39:19,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:39:19,607 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:39:19,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:39:19,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:39:19,607 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 00:39:19,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:39:19,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:39:19,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:39:19,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:39:19,862 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:39:19,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 00:39:22,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:39:22,917 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:39:22,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 00:39:22,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/b83cdb966/6fd3b477bce5413a9faa7ba4760d2270/FLAGc90d1f664 [2023-12-03 00:39:22,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/b83cdb966/6fd3b477bce5413a9faa7ba4760d2270 [2023-12-03 00:39:22,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:39:22,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:39:22,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:39:22,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:39:22,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:39:22,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:22" (1/1) ... [2023-12-03 00:39:22,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ed9c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:22, skipping insertion in model container [2023-12-03 00:39:22,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:22" (1/1) ... [2023-12-03 00:39:23,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:39:23,399 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i[33519,33532] [2023-12-03 00:39:23,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:39:23,523 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:39:23,555 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i[33519,33532] [2023-12-03 00:39:23,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:39:23,658 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:39:23,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23 WrapperNode [2023-12-03 00:39:23,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:39:23,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:39:23,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:39:23,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:39:23,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,805 INFO L138 Inliner]: procedures = 177, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-12-03 00:39:23,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:39:23,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:39:23,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:39:23,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:39:23,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:39:23,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:39:23,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:39:23,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:39:23,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:23" (1/1) ... [2023-12-03 00:39:23,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:39:23,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:39:23,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:39:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:39:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:39:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:39:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:39:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:39:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:39:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:39:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:39:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:39:24,229 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:39:24,230 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:39:25,937 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:39:27,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:39:27,521 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 00:39:27,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:27 BoogieIcfgContainer [2023-12-03 00:39:27,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:39:27,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:39:27,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:39:27,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:39:27,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:27" (1/1) ... [2023-12-03 00:39:27,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:39:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 00:39:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 00:39:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:39:27,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:27,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:27,853 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 00:39:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 00:39:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 00:39:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:39:27,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:27,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:39:28,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:39:28,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 00:39:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 00:39:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:39:28,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:39:28,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:39:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 00:39:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 00:39:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:39:28,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:39:28,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:39:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 00:39:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 00:39:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:39:28,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:28,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:39:28,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:39:38,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:39:48,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:39:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 144 states and 207 transitions. [2023-12-03 00:39:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 207 transitions. [2023-12-03 00:39:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:39:48,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:39:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:49,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:39:49,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:39:59,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:09,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:19,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:29,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:39,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:49,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:59,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:10,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2023-12-03 00:41:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2023-12-03 00:41:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:41:10,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:10,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:10,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-03 00:41:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-03 00:41:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:41:10,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:10,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:10,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-03 00:41:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-03 00:41:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:41:10,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:10,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:11,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:11,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2023-12-03 00:41:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2023-12-03 00:41:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:41:11,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:11,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:11,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:21,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2023-12-03 00:41:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2023-12-03 00:41:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:41:21,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:21,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:21,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:31,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 00:41:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 00:41:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:41:32,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:32,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:32,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:41:32,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:42,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:52,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:02,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:12,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 183 states and 240 transitions. [2023-12-03 00:42:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2023-12-03 00:42:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:42:12,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:13,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:42:13,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:23,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:33,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:43,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:53,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-12-03 00:42:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-12-03 00:42:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:42:53,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:53,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:53,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 240 transitions. [2023-12-03 00:42:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2023-12-03 00:42:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 00:42:53,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:54,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:42:54,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-12-03 00:42:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-12-03 00:42:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:42:54,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:54,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:42:54,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:43:04,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:14,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:24,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:34,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 198 states and 254 transitions. [2023-12-03 00:43:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 254 transitions. [2023-12-03 00:43:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:43:34,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:34,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:35,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:43:35,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:43:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 207 states and 264 transitions. [2023-12-03 00:43:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-12-03 00:43:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:43:35,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:35,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:43:35,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:43:45,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:55,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:06,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:16,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 210 states and 266 transitions. [2023-12-03 00:44:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 266 transitions. [2023-12-03 00:44:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:44:16,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:44:26,673 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:44:26,675 INFO L158 Benchmark]: Toolchain (without parser) took 303721.55ms. Allocated memory was 127.9MB in the beginning and 255.9MB in the end (delta: 127.9MB). Free memory was 96.2MB in the beginning and 177.7MB in the end (delta: -81.5MB). Peak memory consumption was 179.3MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,676 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:44:26,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.59ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 58.7MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.04ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 121.1MB in the end (delta: -62.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,677 INFO L158 Benchmark]: Boogie Preprocessor took 123.87ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 109.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,677 INFO L158 Benchmark]: RCFGBuilder took 3592.07ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 109.2MB in the beginning and 102.5MB in the end (delta: 6.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,678 INFO L158 Benchmark]: CodeCheck took 299151.52ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 102.5MB in the beginning and 177.7MB in the end (delta: -75.2MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-12-03 00:44:26,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.59ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 58.7MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.04ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 121.1MB in the end (delta: -62.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.87ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 109.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3592.07ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 109.2MB in the beginning and 102.5MB in the end (delta: 6.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * CodeCheck took 299151.52ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 102.5MB in the beginning and 177.7MB in the end (delta: -75.2MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:44:26,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:44:28,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:44:28,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:44:28,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:44:28,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:44:28,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:44:28,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:44:28,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:44:28,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:44:28,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:44:28,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:44:28,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:44:28,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:44:28,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:44:28,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:44:28,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:44:28,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:44:28,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:44:28,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:44:28,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:44:28,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:44:28,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:44:28,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:44:28,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:44:28,706 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:44:28,706 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:28,707 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:44:28,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:44:28,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:28,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:44:28,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:44:28,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:44:28,709 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:44:28,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:28,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:44:28,710 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:44:28,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:44:28,710 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 00:44:29,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:44:29,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:44:29,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:44:29,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:44:29,028 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:44:29,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 00:44:31,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:44:32,084 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:44:32,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-03 00:44:32,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/90c493d0f/4f300fbd6b944c63bf192f290b7d6a37/FLAG50c8a21a9 [2023-12-03 00:44:32,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/data/90c493d0f/4f300fbd6b944c63bf192f290b7d6a37 [2023-12-03 00:44:32,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:44:32,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:44:32,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:32,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:44:32,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:44:32,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:32" (1/1) ... [2023-12-03 00:44:32,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd6edf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:32, skipping insertion in model container [2023-12-03 00:44:32,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:32" (1/1) ... [2023-12-03 00:44:32,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:44:32,656 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i[33519,33532] [2023-12-03 00:44:32,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:32,812 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:44:32,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:44:32,843 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i[33519,33532] [2023-12-03 00:44:32,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:32,904 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:44:32,930 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_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i[33519,33532] [2023-12-03 00:44:32,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:33,034 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:44:33,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33 WrapperNode [2023-12-03 00:44:33,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:33,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:33,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:44:33,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:44:33,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,159 INFO L138 Inliner]: procedures = 180, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1419 [2023-12-03 00:44:33,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:33,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:44:33,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:44:33,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:44:33,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:44:33,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:44:33,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:44:33,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:44:33,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:33" (1/1) ... [2023-12-03 00:44:33,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:33,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:44:33,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:44:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:44:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:44:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:44:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:44:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:44:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:44:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:44:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:44:33,592 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:44:33,594 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:44:58,556 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:44:59,134 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:44:59,134 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 00:44:59,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:59 BoogieIcfgContainer [2023-12-03 00:44:59,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:44:59,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:44:59,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:44:59,144 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:44:59,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:59" (1/1) ... [2023-12-03 00:44:59,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:44:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 00:44:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 00:44:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:44:59,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:59,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:59,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:59,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:44:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:59,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:59,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:59,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:59,800 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 00:44:59,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 00:45:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 00:45:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:45:00,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:00,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:45:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:00,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:00,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:00,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:00,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:45:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 00:45:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 00:45:00,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:45:00,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:00,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:00,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:00,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:00,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:45:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:00,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:00,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:00,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:00,996 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:00,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:45:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 00:45:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 00:45:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:45:01,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:01,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:01,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:45:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:01,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:01,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:01,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:01,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:45:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 00:45:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 00:45:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:45:01,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:01,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:01,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:01,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:45:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:01,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:02,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:02,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:02,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:45:04,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2023-12-03 00:45:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-03 00:45:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:45:04,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:04,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:04,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:45:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:05,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:05,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:05,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:05,901 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:05,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:45:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-12-03 00:45:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-12-03 00:45:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:45:06,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:06,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:06,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:06,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:45:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:07,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:07,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:07,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:07,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 217 transitions. [2023-12-03 00:45:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2023-12-03 00:45:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:45:07,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:07,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:07,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:07,525 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:07,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:45:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:08,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:08,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:08,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:08,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 156 states and 215 transitions. [2023-12-03 00:45:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 215 transitions. [2023-12-03 00:45:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:45:08,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:08,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:08,568 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:08,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:45:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:09,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:09,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:09,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:45:09,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:45:09,736 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 159 states and 217 transitions. [2023-12-03 00:45:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 217 transitions. [2023-12-03 00:45:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:45:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:09,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:09,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:45:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:10,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:10,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:10,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:45:11,296 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:11,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:12,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:14,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:15,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2023-12-03 00:45:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-12-03 00:45:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:45:16,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:16,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:16,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:16,438 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:45:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:17,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:17,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:17,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:45:17,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:45:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 202 states and 266 transitions. [2023-12-03 00:45:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2023-12-03 00:45:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:45:17,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:17,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:17,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:17,671 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:17,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:45:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:18,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:18,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:18,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:45:19,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:45:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 202 states and 264 transitions. [2023-12-03 00:45:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-12-03 00:45:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:45:19,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:19,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:19,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:19,033 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:19,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:45:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:19,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:20,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:20,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:20,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:45:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 205 states and 266 transitions. [2023-12-03 00:45:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2023-12-03 00:45:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:45:20,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:20,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:20,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:20,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:45:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:21,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:22,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:22,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:22,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:45:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-03 00:45:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-03 00:45:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:45:22,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:22,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:22,821 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:22,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:45:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:23,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:24,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:24,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:45:24,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:45:34,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 208 states and 266 transitions. [2023-12-03 00:45:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 266 transitions. [2023-12-03 00:45:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:45:34,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:34,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:34,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:34,366 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:34,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:45:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:35,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:36,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:36,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:45:36,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:45:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:36,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:36,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:36,229 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:36,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:45:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:37,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:38,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:38,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:45:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:38,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:38,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:38,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:38,282 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:38,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:45:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:39,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:40,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:45:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:40,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:40,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:40,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:40,043 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:40,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:45:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:41,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:41,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:45:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:41,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:41,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:41,864 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:41,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:45:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:43,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:43,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:43,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:43,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:45:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:43,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:43,823 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:43,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:45:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:45,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:45,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:45,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:45,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:45:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:45,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:45,894 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:45:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:47,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:47,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:47,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:48,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:45:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:48,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:48,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:48,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:48,031 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:45:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:49,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:50,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:50,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:50,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:45:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:50,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:50,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:50,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:50,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:50,196 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:45:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:51,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:52,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:52,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:52,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:45:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:52,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:52,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:52,407 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:52,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:45:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:54,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:54,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:54,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:54,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:54,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:54,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:54,709 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:54,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:45:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:56,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:56,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:56,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:56,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:45:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:56,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:56,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:56,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:56,832 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:56,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:45:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:58,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:58,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:58,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:45:59,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:45:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:59,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:45:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:45:59,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:45:59,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:59,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:59,050 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:59,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:46:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:01,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:01,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:01,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:01,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:01,631 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:01,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:46:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:03,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:04,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:04,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:04,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:46:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:04,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:04,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:04,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:04,221 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:04,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:46:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:06,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:06,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:06,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:06,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:46:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:06,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:06,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:06,838 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:06,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:46:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:09,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:09,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:09,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:09,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:46:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:09,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:09,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:09,698 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:09,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:46:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:11,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:12,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:12,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:12,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:46:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:12,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:12,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:12,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:12,521 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:12,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:46:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:14,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:15,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:15,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:15,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:46:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:15,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:15,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:15,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:15,242 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:15,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:46:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:17,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:17,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:18,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:18,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:46:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:18,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:18,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:18,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:18,065 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:18,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:46:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:20,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:20,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:20,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:20,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:46:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:21,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:21,002 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:21,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:46:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:23,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:23,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:23,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:23,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:46:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:23,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:23,877 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:46:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:26,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:26,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:26,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:26,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:46:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:26,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:26,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:26,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:26,923 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:26,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:46:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:29,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:30,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:30,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:30,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:46:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:30,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:30,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:30,095 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:30,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:46:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:32,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:33,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:33,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:33,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:46:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:33,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:33,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:33,176 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:33,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:46:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:35,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:36,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:36,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:36,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:46:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:36,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:36,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:36,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:36,231 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:46:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:39,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:39,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:39,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:39,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:46:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:39,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:39,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:39,555 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:46:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:42,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:42,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:42,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:42,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:46:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:43,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:43,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:43,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:43,011 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:43,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:46:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:45,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:46,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:46,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:46,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:46,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:46,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:46,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:46,282 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:46:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:49,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:49,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:49,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:49,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:46:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:49,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:49,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:49,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:49,768 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:49,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:46:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:52,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:53,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:53,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:53,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:46:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:53,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:53,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:53,198 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:53,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:46:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:56,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:56,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:46:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:46:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:46:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:56,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:56,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:56,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:56,815 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:56,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:46:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:59,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:00,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:00,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:00,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:47:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:00,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:00,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:00,125 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:00,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:47:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:02,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:03,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:03,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:47:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:03,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:03,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:03,380 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:47:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:06,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:07,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:07,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:07,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:47:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:07,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:07,066 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:47:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:10,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:10,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:10,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:10,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:47:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:10,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:10,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:10,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:10,970 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:10,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:47:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:14,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:14,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:14,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:14,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:47:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:14,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:14,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:14,744 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:14,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:47:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:18,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:18,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:18,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:18,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:47:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:18,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:18,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:18,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:18,819 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:18,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:47:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:22,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:22,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:22,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:22,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:47:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:22,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:22,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:22,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:22,902 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:22,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:47:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:26,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:26,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:26,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:27,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:47:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:27,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:27,027 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:27,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:47:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:30,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:31,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:31,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:31,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:47:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:31,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:31,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:31,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:31,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:31,219 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:31,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:47:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:34,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:35,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:35,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:35,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:47:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:35,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:35,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:35,269 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:35,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:47:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:39,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:39,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:47:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:39,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:39,708 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:39,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:47:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:43,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:43,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:47:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:43,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:43,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:43,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:43,839 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:43,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:47:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:47,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:48,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:48,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:48,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:47:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:48,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:48,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:48,385 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:48,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:47:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:52,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:52,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:52,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:53,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:47:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:53,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:53,045 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:53,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:47:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:57,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:57,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:57,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:58,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 00:47:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:47:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:47:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:47:58,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:58,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:58,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:58,052 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:58,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:48:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:02,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:02,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:02,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:02,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:48:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:02,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:02,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:02,877 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:02,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:48:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:07,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:07,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:07,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:07,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:48:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:07,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:07,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:07,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:07,691 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:07,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:48:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:11,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:12,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:12,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:12,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:48:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:12,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:12,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:12,541 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:12,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:48:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:16,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:17,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:17,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:17,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:48:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:17,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:17,417 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:48:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:21,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:22,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:22,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:22,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:48:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:22,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:22,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:22,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:22,212 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:22,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:48:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:26,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:26,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:26,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:26,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:48:26,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:26,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:26,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:26,980 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:26,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:48:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:31,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:31,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:48:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:31,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:31,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:31,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:31,858 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:31,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:48:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:36,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:36,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:36,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:36,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:48:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:36,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:36,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:36,895 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:36,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:48:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:41,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:42,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:42,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:42,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:48:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:42,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:42,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:42,228 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:42,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:48:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:46,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:47,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:47,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:47,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:48:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:47,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:47,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:47,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:47,363 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:47,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:48:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:52,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:52,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:52,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:52,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:48:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:52,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:52,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:52,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:52,718 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:52,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:48:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:57,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:57,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:57,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:57,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:48:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:48:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:48:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:48:57,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:57,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:57,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:57,835 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:57,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:49:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:02,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:03,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:03,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:03,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:49:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:03,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:03,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:03,184 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:03,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:49:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:08,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:08,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:08,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:08,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:49:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:08,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:08,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:08,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:08,626 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:08,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:49:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:12,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:13,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:13,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:13,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:49:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:13,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:13,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:13,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:13,530 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:13,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:49:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:18,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:19,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:19,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:19,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:49:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:19,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:19,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:19,076 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:19,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:49:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:24,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:24,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:24,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:24,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:49:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:24,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:24,610 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:24,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:49:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:29,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:30,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:30,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:30,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:49:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:30,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:30,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:30,458 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:49:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:35,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:36,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:36,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:49:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:36,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:36,166 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:49:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:41,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:41,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:41,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:41,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:49:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:41,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:41,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:41,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:41,958 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:41,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:49:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:47,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:47,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:49:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:47,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:47,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:47,571 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:47,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:49:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:53,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:53,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:53,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:53,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:49:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:53,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:53,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:53,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:53,772 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:53,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:49:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:59,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:59,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:59,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:59,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:49:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:49:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:49:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:49:59,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:59,627 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:59,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:50:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:05,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:05,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:05,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:05,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 00:50:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:05,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:05,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:05,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:05,746 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:05,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:50:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:10,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:11,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:11,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:11,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 00:50:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:11,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:11,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:11,538 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:11,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:50:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:16,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:17,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:17,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:17,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:50:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:17,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:17,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:17,255 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:17,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:50:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:22,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:23,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:23,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:23,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:50:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:23,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:23,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:23,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:23,554 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:23,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:50:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:29,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:29,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:29,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:29,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:50:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:29,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:29,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:29,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:29,614 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:29,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:50:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:35,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:35,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:35,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:35,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:50:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:35,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:35,883 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:35,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:50:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:42,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:42,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:42,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:50:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:42,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:42,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:42,482 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:42,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:50:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:47,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:48,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:48,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:48,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:50:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:48,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:48,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:48,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:48,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:48,526 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:48,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:50:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:54,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:54,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:54,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:54,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:50:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:50:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:50:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:50:54,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:54,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:54,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:54,883 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:51:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:01,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:01,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:01,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:01,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:51:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:01,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:01,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:01,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:01,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:01,602 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:01,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:51:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:07,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:07,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:07,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:07,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:51:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:07,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:07,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:07,941 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:51:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:14,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:14,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:14,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:14,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:51:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:14,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:14,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:14,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:14,796 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:14,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:51:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:21,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:21,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:21,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:21,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:51:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:21,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:21,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:21,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:21,874 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:21,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:51:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:28,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:28,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:28,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:28,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:51:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:28,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:28,784 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:51:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:35,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:35,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:35,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:35,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:51:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:35,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:35,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:35,859 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:35,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:51:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:41,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:42,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:42,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:42,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:51:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:42,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:42,289 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:42,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:51:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:48,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:48,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:48,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:48,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:51:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:48,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:48,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:48,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:48,755 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:48,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:51:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:55,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:55,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:55,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:55,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:51:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:51:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:51:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:51:55,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:55,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:55,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:55,614 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:55,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:52:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:02,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:02,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:02,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:02,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:52:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:02,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:02,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:02,628 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:02,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:52:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:09,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:09,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:09,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:09,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:52:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:09,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:09,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:09,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:09,905 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:09,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:52:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:16,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:16,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:52:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:16,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:16,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:16,784 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:16,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:52:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:23,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:23,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:23,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:23,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:52:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:23,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:23,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:23,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:23,932 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:23,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:52:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:30,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:30,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:30,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:30,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:52:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:30,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:30,693 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:30,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:52:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:37,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:38,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:38,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:52:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:38,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:38,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:38,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:38,117 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:38,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:52:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:44,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:45,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:45,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:45,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:52:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:45,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:45,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:45,599 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:45,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:52:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:52,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:53,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:53,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:52:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:52:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:52:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:52:53,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:53,294 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:53,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:53:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:00,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:00,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:53:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 00:53:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 00:53:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:53:00,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:00,823 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:00,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8900e9b5-bbb1-44ad-adae-0a94b1abfd6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process