./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:09,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:09,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:02:09,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:02:09,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:02:09,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:09,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:09,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:09,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:09,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:09,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:09,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:09,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:02:09,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:09,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:09,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:09,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:09,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:09,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:02:09,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-13 22:02:10,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:10,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:10,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:10,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:10,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:10,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c Unable to find full path for "g++" [2024-11-13 22:02:12,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:12,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:12,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-13 22:02:12,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/a97253096/d7492c04fab041b5bf02d2517e7284f6/FLAGab9d484e5 [2024-11-13 22:02:12,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/a97253096/d7492c04fab041b5bf02d2517e7284f6 [2024-11-13 22:02:12,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:12,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:12,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:12,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:12,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:12,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:12" (1/1) ... [2024-11-13 22:02:12,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bff1705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:12, skipping insertion in model container [2024-11-13 22:02:12,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:12" (1/1) ... [2024-11-13 22:02:12,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:12,896 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-13 22:02:13,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:13,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:13,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-13 22:02:13,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:13,316 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:13,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13 WrapperNode [2024-11-13 22:02:13,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:13,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:13,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:13,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:13,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,609 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1678 [2024-11-13 22:02:13,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:13,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:13,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:13,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:13,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:13,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:13,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:13,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:13,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:13" (1/1) ... [2024-11-13 22:02:13,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:13,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:13,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:13,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:02:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:02:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:14,249 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:14,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:16,978 INFO L? ?]: Removed 1068 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:16,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:20,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:20,329 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:02:20,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:20 BoogieIcfgContainer [2024-11-13 22:02:20,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:20,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:20,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:20,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:20,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:20" (1/1) ... [2024-11-13 22:02:20,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:02:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:02:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:02:20,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:20,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:31,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:41,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:02:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:02:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:02:41,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:00,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:10,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:12,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:22,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:32,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:42,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:49,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:59,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 22:03:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 22:03:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:03:59,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:08,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:24,997 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:485) 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) [2024-11-13 22:04:25,004 INFO L158 Benchmark]: Toolchain (without parser) took 132370.43ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 92.3MB in the beginning and 644.1MB in the end (delta: -551.9MB). Peak memory consumption was 626.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,004 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:25,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 60.2MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.51ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 63.3MB in the end (delta: -3.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,009 INFO L158 Benchmark]: Boogie Preprocessor took 232.05ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 48.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,009 INFO L158 Benchmark]: RCFGBuilder took 6486.67ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 48.2MB in the beginning and 353.0MB in the end (delta: -304.8MB). Peak memory consumption was 230.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,010 INFO L158 Benchmark]: CodeCheck took 124671.64ms. Allocated memory was 654.3MB in the beginning and 1.3GB in the end (delta: 637.5MB). Free memory was 353.0MB in the beginning and 644.1MB in the end (delta: -291.1MB). Peak memory consumption was 354.7MB. Max. memory is 16.1GB. [2024-11-13 22:04:25,013 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 60.2MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.51ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 63.3MB in the end (delta: -3.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.05ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 48.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6486.67ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 48.2MB in the beginning and 353.0MB in the end (delta: -304.8MB). Peak memory consumption was 230.4MB. Max. memory is 16.1GB. * CodeCheck took 124671.64ms. Allocated memory was 654.3MB in the beginning and 1.3GB in the end (delta: 637.5MB). Free memory was 353.0MB in the beginning and 644.1MB in the end (delta: -291.1MB). Peak memory consumption was 354.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:04:25,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:28,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:28,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:04:28,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:28,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:28,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:28,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:28,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:28,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:28,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:28,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:28,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:28,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:28,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:28,354 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:04:28,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:04:28,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:28,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:04:28,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:28,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:28,355 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:28,355 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:28,356 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:28,356 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,356 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:04:28,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:28,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:28,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:28,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:28,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:28,358 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:04:28,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,358 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:04:28,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-13 22:04:28,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:28,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:28,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:28,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:28,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c Unable to find full path for "g++" [2024-11-13 22:04:30,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:31,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:31,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-13 22:04:31,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/50cad71d7/66ec7888d9104dd3b0ddce60ecd41cf8/FLAG325933c48 [2024-11-13 22:04:31,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/data/50cad71d7/66ec7888d9104dd3b0ddce60ecd41cf8 [2024-11-13 22:04:31,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:31,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:31,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:31,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:31,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:31,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:31" (1/1) ... [2024-11-13 22:04:31,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14649e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:31, skipping insertion in model container [2024-11-13 22:04:31,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:31" (1/1) ... [2024-11-13 22:04:31,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:31,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-13 22:04:31,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:32,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:32,037 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-13 22:04:32,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:32,210 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:32,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32 WrapperNode [2024-11-13 22:04:32,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:32,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:32,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:32,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:32,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,315 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 702 [2024-11-13 22:04:32,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:32,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:32,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:32,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:32,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:32,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:32,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:32,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:32,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:32" (1/1) ... [2024-11-13 22:04:32,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:32,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:04:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:32,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:32,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:33,756 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:33,756 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:33,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:33,818 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:04:33,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:33 BoogieIcfgContainer [2024-11-13 22:04:33,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:33,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:33,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:33,837 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:33,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:33" (1/1) ... [2024-11-13 22:04:33,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:04:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:04:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:04:33,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:04:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:34,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:04:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:04:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:04:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:04:34,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:04:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:35,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:04:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-11-13 22:04:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-11-13 22:04:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:04:36,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:04:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:38,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:04:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2024-11-13 22:04:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2024-11-13 22:04:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:04:41,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:04:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,079 WARN L253 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:44,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:04:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 27 states and 64 transitions. [2024-11-13 22:04:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 64 transitions. [2024-11-13 22:04:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:04:50,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:04:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,459 WARN L253 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:52,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:04:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 28 states and 69 transitions. [2024-11-13 22:04:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 69 transitions. [2024-11-13 22:04:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:04:53,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:04:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,271 WARN L253 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:57,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:05:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 34 states and 87 transitions. [2024-11-13 22:05:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 87 transitions. [2024-11-13 22:05:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:05:04,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:04,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:05:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:05,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:05,411 WARN L253 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 22:05:05,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:07,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:05:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 37 states and 98 transitions. [2024-11-13 22:05:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 98 transitions. [2024-11-13 22:05:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:05:11,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:11,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:11,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:05:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:12,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:12,441 WARN L253 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 22:05:12,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:14,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 40 states and 109 transitions. [2024-11-13 22:05:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 109 transitions. [2024-11-13 22:05:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:05:18,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:18,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:18,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:18,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:05:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:19,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:19,844 WARN L253 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 22:05:19,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:27,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:05:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 52 states and 142 transitions. [2024-11-13 22:05:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 142 transitions. [2024-11-13 22:05:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:05:45,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:45,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:45,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:45,147 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:05:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:46,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:46,628 WARN L253 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 22:05:46,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:49,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:06:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 58 states and 162 transitions. [2024-11-13 22:06:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 162 transitions. [2024-11-13 22:06:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:06:00,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:00,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:00,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:00,304 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:00,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:06:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:01,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:01,410 WARN L253 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 22:06:01,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:03,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:06:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 61 states and 174 transitions. [2024-11-13 22:06:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 174 transitions. [2024-11-13 22:06:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:06:08,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:08,385 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:08,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:06:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:09,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:09,732 WARN L253 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 22:06:09,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:16,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:06:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 67 states and 199 transitions. [2024-11-13 22:06:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 199 transitions. [2024-11-13 22:06:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:06:25,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:25,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:25,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:25,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:25,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:06:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:26,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:26,552 WARN L253 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 22:06:26,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:31,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 73 states and 225 transitions. [2024-11-13 22:06:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 225 transitions. [2024-11-13 22:06:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:06:44,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:44,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:44,420 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:44,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:06:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:45,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:45,755 WARN L253 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 22:06:45,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:49,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2024-11-13 22:06:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2024-11-13 22:06:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:06:58,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:58,636 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:58,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:06:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:59,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:00,015 WARN L253 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 22:07:00,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:03,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:07:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 79 states and 251 transitions. [2024-11-13 22:07:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 251 transitions. [2024-11-13 22:07:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:07:05,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:05,785 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:05,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:07:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:06,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:07,262 WARN L253 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-13 22:07:07,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:18,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:07:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 100 states and 314 transitions. [2024-11-13 22:07:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 314 transitions. [2024-11-13 22:07:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:07:47,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:47,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:47,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:47,274 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:47,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:07:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:48,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:48,793 WARN L253 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-13 22:07:48,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:53,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:08:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 103 states and 320 transitions. [2024-11-13 22:08:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 320 transitions. [2024-11-13 22:08:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:08:00,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:00,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:00,295 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:00,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:08:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:01,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:01,964 WARN L253 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-13 22:08:01,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:18,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:08:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 112 states and 404 transitions. [2024-11-13 22:08:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 404 transitions. [2024-11-13 22:08:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:08:56,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:56,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:56,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:56,130 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:56,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:08:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:57,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:57,877 WARN L253 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-13 22:08:57,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:06,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:09:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 119 states and 432 transitions. [2024-11-13 22:09:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 432 transitions. [2024-11-13 22:09:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:09:26,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:26,302 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:26,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:09:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:27,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:28,247 WARN L253 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-13 22:09:28,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:16,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:11:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 128 states and 482 transitions. [2024-11-13 22:11:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 482 transitions. [2024-11-13 22:11:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:55,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:55,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:55,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:55,104 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:11:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:56,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:56,992 WARN L253 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-13 22:11:57,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:12:23,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:12:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 129 states and 489 transitions. [2024-11-13 22:12:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 489 transitions. [2024-11-13 22:12:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:12:30,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:30,146 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:12:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:31,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:32,350 WARN L253 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-13 22:12:32,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:01,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:13:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 132 states and 501 transitions. [2024-11-13 22:13:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 501 transitions. [2024-11-13 22:13:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:13:21,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:21,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:21,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:21,868 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:21,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:13:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:23,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:23,903 WARN L253 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 169 conjuncts are in the unsatisfiable core [2024-11-13 22:13:23,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:11,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:15:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 141 states and 564 transitions. [2024-11-13 22:15:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 564 transitions. [2024-11-13 22:15:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:15:28,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:28,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:28,857 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:28,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:15:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,945 WARN L253 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 176 conjuncts are in the unsatisfiable core [2024-11-13 22:15:30,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:57,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a177d0b8-1079-4101-bbba-276460c14198/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0