./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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 32bit --witnessprinter.graph.data.programhash cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:33,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:33,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:57:33,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:33,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:33,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:33,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:33,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:33,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:33,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:57:33,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:33,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:33,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:33,297 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:33,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:33,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:33,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:33,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:33,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:33,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:33,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:33,298 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e [2024-11-13 22:57:33,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:33,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:33,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:33,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:33,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:33,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i Unable to find full path for "g++" [2024-11-13 22:57:35,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:35,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:35,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-11-13 22:57:35,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/ca114ffc9/9cd3e0c44e74430e81260782420b7a30/FLAG6dc4322e7 [2024-11-13 22:57:35,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/ca114ffc9/9cd3e0c44e74430e81260782420b7a30 [2024-11-13 22:57:35,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:35,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:35,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:35,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:35,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:35,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:35" (1/1) ... [2024-11-13 22:57:35,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd8da8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:35, skipping insertion in model container [2024-11-13 22:57:35,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:35" (1/1) ... [2024-11-13 22:57:35,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:35,983 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-11-13 22:57:36,013 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-11-13 22:57:36,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:36,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:36,037 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-11-13 22:57:36,049 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-11-13 22:57:36,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:36,067 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:36,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36 WrapperNode [2024-11-13 22:57:36,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:36,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:36,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:36,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:36,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,104 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-13 22:57:36,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:36,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:36,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:36,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:36,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:36,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:36,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:36,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:36,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:36,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:36,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:57:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:57:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:57:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:57:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:57:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:36,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:36,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:36,492 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:36,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:36,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:36,556 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:57:36,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:36 BoogieIcfgContainer [2024-11-13 22:57:36,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:36,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:36,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:36,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:36,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:36" (1/1) ... [2024-11-13 22:57:36,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 22:57:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 22:57:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:57:36,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:37,186 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 22:57:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-13 22:57:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-13 22:57:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:57:37,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:57:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:37,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:57:37,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:57:42,551 WARN L873 $PredicateComparison]: unable to prove that (or (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse0 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|))) is different from true [2024-11-13 22:57:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:22,120 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 22:58:22,121 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-11-13 22:58:22,127 INFO L158 Benchmark]: Toolchain (without parser) took 46333.69ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 132.8MB in the end (delta: -38.4MB). Peak memory consumption was 197.2MB. Max. memory is 16.1GB. [2024-11-13 22:58:22,127 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:22,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:22,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.06ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:22,129 INFO L158 Benchmark]: Boogie Preprocessor took 21.49ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 911.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:22,129 INFO L158 Benchmark]: RCFGBuilder took 429.64ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 62.8MB in the end (delta: 17.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:58:22,130 INFO L158 Benchmark]: CodeCheck took 45568.01ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 132.8MB in the end (delta: -70.4MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2024-11-13 22:58:22,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-13 22:58:22,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.06ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.49ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 911.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.64ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 62.8MB in the end (delta: 17.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 45568.01ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 132.8MB in the end (delta: -70.4MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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 32bit --witnessprinter.graph.data.programhash cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:24,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:24,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:58:24,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:24,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:24,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:24,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:24,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:24,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:24,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:24,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:58:24,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:58:24,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:24,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:24,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:24,610 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:58:24,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:24,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:24,611 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:58:24,611 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc7e3777189fad7ccb3c88448fa9a78354a62d55c3114c1026ddd9265244ab9e [2024-11-13 22:58:24,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:24,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:24,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:24,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:24,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:24,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_3_1.i Unable to find full path for "g++" [2024-11-13 22:58:26,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:27,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:27,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i [2024-11-13 22:58:27,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/89c201a7f/5e20b13859524a1b880f2958d3785ec6/FLAG1e5dc5871 [2024-11-13 22:58:27,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/data/89c201a7f/5e20b13859524a1b880f2958d3785ec6 [2024-11-13 22:58:27,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:27,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:27,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:27,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:27,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:27,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:27,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e435b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27, skipping insertion in model container [2024-11-13 22:58:27,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:27,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:27,790 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-11-13 22:58:27,839 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-11-13 22:58:27,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:27,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:27,879 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[1226,1239] [2024-11-13 22:58:27,904 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_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/sv-benchmarks/c/combinations/gcd_3+newton_3_1.i[2862,2875] [2024-11-13 22:58:27,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:27,930 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:27,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27 WrapperNode [2024-11-13 22:58:27,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:27,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:27,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:27,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:27,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:27,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:27,980 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 22:58:27,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:27,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:27,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:27,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:27,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:27,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:28,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:28,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:28,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:28,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:27" (1/1) ... [2024-11-13 22:58:28,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:28,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:28,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:28,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:58:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:58:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:58:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:58:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:58:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:28,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:28,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:52,822 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:52,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:52,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:52,898 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:58:52,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:52 BoogieIcfgContainer [2024-11-13 22:58:52,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:52,899 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:52,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:52,909 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:52,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:52" (1/1) ... [2024-11-13 22:58:52,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 22:58:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 22:58:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:58:52,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:52,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:52,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:52,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:58:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:53,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:53,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:58:53,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:53,867 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 22:58:53,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:58:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 22:58:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 22:58:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:58:54,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:54,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:54,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:54,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:54,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:58:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:54,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:55,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:58:55,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:00,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:59:19,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.98s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:26,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:31,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:59:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-13 22:59:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-13 22:59:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:59:31,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:31,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:31,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:31,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:31,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:59:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:32,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:32,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:59:32,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:59,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:00:26,419 WARN L286 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:00:42,198 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:00:55,569 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:01:15,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:25,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:34,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:36,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:37,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:39,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:01:50,433 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|)))))))))) is different from false [2024-11-13 23:02:47,997 WARN L286 SmtUtils]: Spent 21.80s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:02:58,054 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|))))))))))) is different from true [2024-11-13 23:02:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-11-13 23:02:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-11-13 23:02:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:02:58,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:58,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:58,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:58,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:02:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:58,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:02:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:59,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:02:59,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:06,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:03:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-11-13 23:03:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-11-13 23:03:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:06,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:06,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:06,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:06,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:03:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:06,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:07,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:07,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:16,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:03:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-11-13 23:03:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-11-13 23:03:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:16,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:16,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:16,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:16,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:16,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:03:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:16,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:17,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:17,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:24,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:03:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-11-13 23:03:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-11-13 23:03:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:24,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:24,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:24,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:24,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:03:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:24,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:25,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:25,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:33,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:03:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-11-13 23:03:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-11-13 23:03:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:33,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:33,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:33,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:33,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:33,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:03:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:33,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:34,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:34,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:42,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:03:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:03:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:03:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:42,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:42,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:42,664 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:42,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:03:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:43,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:43,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:43,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:52,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:03:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:03:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:03:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:03:52,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:52,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:52,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:03:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:52,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:53,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:03:53,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:01,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:04:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:04:01,758 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:04:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:01,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:01,763 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:01,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:04:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:02,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:03,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:04:03,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:11,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 23:04:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:04:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:04:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:11,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:11,153 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:11,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:04:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:11,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:12,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:04:12,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:20,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 23:04:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:04:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:04:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:20,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:20,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:20,047 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:20,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:04:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:20,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:21,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:04:21,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:29,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:04:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:04:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:04:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:29,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:29,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:29,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:29,283 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:29,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:04:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:29,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:30,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:04:30,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:04:37,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:04:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:04:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:04:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:37,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:37,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:37,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:37,965 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:37,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:04:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:38,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:38,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:04:38,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:05:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:12,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:05:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:05:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:05:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:05:27,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:27,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:27,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:27,154 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:05:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:27,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:28,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:05:28,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:05:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:37,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 23:05:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:05:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:05:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:05:37,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:37,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:37,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:37,583 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:05:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:37,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:38,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:05:38,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:05:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:46,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:05:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:05:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:05:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:05:46,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:46,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:46,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:46,136 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:46,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:05:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:46,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:47,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:05:47,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:05:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:05:55,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:05:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:05:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:05:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:05:55,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:55,390 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:55,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:05:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:55,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:05:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:56,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:05:56,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:06,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:06:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:06,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:06,253 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:06,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:06:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:06,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:07,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:07,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:16,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:06:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:16,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:16,200 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:16,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:06:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:16,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:17,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:17,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:25,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 23:06:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:25,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:25,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:25,921 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:25,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:06:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:26,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:27,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:27,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:36,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:06:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:36,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:36,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:36,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:36,298 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:36,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:06:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:36,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:38,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:38,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:45,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 23:06:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:45,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:45,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:45,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:45,824 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:06:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:46,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:46,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:46,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:06:54,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:06:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:06:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:06:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:54,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:54,061 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:54,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:06:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:54,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:55,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:06:55,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:02,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 23:07:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:07:02,556 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:07:02,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:07:02,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:02,558 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:02,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:07:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:02,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:07:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:03,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:07:03,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:11,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:07:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:07:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:07:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:07:11,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:11,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:11,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:11,436 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:11,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:07:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:11,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:07:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:12,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:07:12,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:53,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:08:25,666 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_100| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_100|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7))))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_100| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_100|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse8)))))))) (not (= (_ bv0 32) .cse1)))))) is different from false [2024-11-13 23:09:09,014 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_100| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_100|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7))))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_100| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_100|))) (and (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse8)))))))) (not (= (_ bv0 32) .cse1))))))) is different from true [2024-11-13 23:09:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:09,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:09,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:09,018 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:09,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:09:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:09,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:09:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:10,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:09:10,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:19,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:09:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:19,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:19,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:19,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:19,656 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:19,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:09:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:20,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:09:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:20,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:09:20,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:29,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 23:09:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:29,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:29,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:29,091 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:29,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:09:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:29,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:09:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:30,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:09:30,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:38,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:09:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:38,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:39,000 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:09:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:39,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:09:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:40,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:09:40,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:48,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:09:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:48,104 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:48,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:48,107 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:48,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:09:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:48,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:09:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:49,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:09:49,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:58,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:09:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:09:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:09:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:58,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:58,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:09:58,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:09:58,962 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:09:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:09:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:59,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:00,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:00,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:07,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:10:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:08,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:08,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:08,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:08,006 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:08,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:10:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:08,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:09,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:09,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:18,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:10:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:18,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:18,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:18,394 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:18,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:10:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:18,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:19,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:19,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:27,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 23:10:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:27,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:27,710 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:10:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:28,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:29,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:29,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:36,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 23:10:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:36,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:36,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:36,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:36,944 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:36,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:10:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:37,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:37,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:37,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:46,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:10:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:46,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:46,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:46,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:46,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:46,039 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:46,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:10:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:46,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:47,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:47,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:54,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:10:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:10:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:10:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:54,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:54,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:54,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:54,272 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:54,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:10:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:54,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:55,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:55,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:03,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:11:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:03,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:03,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:03,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:03,744 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:03,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:11:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:04,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:04,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:04,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:13,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 23:11:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:13,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:13,451 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:13,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:11:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:13,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:14,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:14,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:22,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:11:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:22,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:22,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:22,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:22,912 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:22,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:11:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:23,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:24,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:24,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:32,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:11:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:32,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:32,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:32,968 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:32,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:11:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:33,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:34,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:34,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:43,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:11:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:43,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:43,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:43,863 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:43,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:11:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:44,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:44,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:44,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:53,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 23:11:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:11:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:11:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:11:53,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:53,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:53,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:53,304 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:53,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:11:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:53,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:54,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:54,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:03,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:12:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:12:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:12:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:12:03,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:03,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:03,650 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:12:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:04,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:04,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:12:04,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:18,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 23:12:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:12:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:12:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:12:20,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:20,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:20,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:20,574 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:20,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:12:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:20,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:21,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:21,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:28,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:12:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:12:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:12:28,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:28,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:28,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:28,428 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:28,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:12:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:28,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:29,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:29,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:36,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:12:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:12:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:12:36,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:36,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:36,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:36,799 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:36,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:12:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:37,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:37,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:37,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:45,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-13 23:12:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-13 23:12:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:12:45,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:45,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:45,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:45,209 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:45,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc65a3-4fe3-4d2f-b62f-17f3887e4774/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:12:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:45,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:46,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:46,462 INFO L278 TraceCheckSpWp]: Computing forward predicates...