./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:35:11,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:35:11,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:35:11,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:35:11,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:35:11,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:35:11,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:35:11,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:35:11,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:35:11,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:35:11,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:35:11,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:35:11,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:35:11,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:35:11,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:35:11,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:35:11,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:35:11,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:35:11,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:35:11,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:35:11,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:11,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:35:11,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:35:11,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:35:11,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:35:11,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:35:11,810 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_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 [2024-12-05 23:35:12,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:35:12,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:35:12,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:35:12,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:35:12,131 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:35:12,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-12-05 23:35:14,974 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/705cb2f3d/e26ff654043c4bfe8ce5ddb6fd2a580f/FLAG8b910a1b0 [2024-12-05 23:35:15,251 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:35:15,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-12-05 23:35:15,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/705cb2f3d/e26ff654043c4bfe8ce5ddb6fd2a580f/FLAG8b910a1b0 [2024-12-05 23:35:15,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/705cb2f3d/e26ff654043c4bfe8ce5ddb6fd2a580f [2024-12-05 23:35:15,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:35:15,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:35:15,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:15,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:35:15,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:35:15,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:15" (1/1) ... [2024-12-05 23:35:15,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7d176d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:15, skipping insertion in model container [2024-12-05 23:35:15,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:15" (1/1) ... [2024-12-05 23:35:15,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:35:15,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:16,022 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:35:16,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:16,257 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:35:16,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16 WrapperNode [2024-12-05 23:35:16,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:16,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:16,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:35:16,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:35:16,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,337 INFO L138 Inliner]: procedures = 524, calls = 407, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 494 [2024-12-05 23:35:16,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:16,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:35:16,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:35:16,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:35:16,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:35:16,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:35:16,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:35:16,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:35:16,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:16" (1/1) ... [2024-12-05 23:35:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:16,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:35:16,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:35:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:35:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:35:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:35:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:35:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:35:16,761 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:35:16,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:35:17,210 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-05 23:35:17,211 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:17,313 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:17,313 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 23:35:17,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:17 BoogieIcfgContainer [2024-12-05 23:35:17,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:17,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:17,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:17,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:17,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:17" (1/1) ... [2024-12-05 23:35:17,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2024-12-05 23:35:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-12-05 23:35:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:35:17,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:17,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2024-12-05 23:35:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-12-05 23:35:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:35:18,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:18,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2024-12-05 23:35:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-12-05 23:35:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:35:18,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2024-12-05 23:35:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-12-05 23:35:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:35:18,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:18,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:35:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2024-12-05 23:35:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-12-05 23:35:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:35:19,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2024-12-05 23:35:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-12-05 23:35:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:35:19,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:35:19,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2024-12-05 23:35:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-12-05 23:35:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:35:19,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:19,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:35:19,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 44 transitions. [2024-12-05 23:35:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-12-05 23:35:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:35:19,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 47 transitions. [2024-12-05 23:35:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-12-05 23:35:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:35:20,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:20,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 50 transitions. [2024-12-05 23:35:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-12-05 23:35:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:35:20,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 53 transitions. [2024-12-05 23:35:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-12-05 23:35:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:35:21,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:21,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 56 transitions. [2024-12-05 23:35:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-12-05 23:35:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:35:21,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 59 transitions. [2024-12-05 23:35:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2024-12-05 23:35:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:35:22,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 62 transitions. [2024-12-05 23:35:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-12-05 23:35:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:35:22,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:22,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 65 transitions. [2024-12-05 23:35:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-12-05 23:35:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:35:23,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 67 transitions. [2024-12-05 23:35:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2024-12-05 23:35:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:35:23,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:24,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2024-12-05 23:35:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2024-12-05 23:35:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:35:24,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:24,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2024-12-05 23:35:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2024-12-05 23:35:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:35:24,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:24,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2024-12-05 23:35:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2024-12-05 23:35:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:35:25,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2024-12-05 23:35:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-12-05 23:35:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:35:25,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:25,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2024-12-05 23:35:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-12-05 23:35:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:35:26,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2024-12-05 23:35:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-12-05 23:35:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:35:26,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2024-12-05 23:35:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-12-05 23:35:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:35:26,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:26,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-05 23:35:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2024-12-05 23:35:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-12-05 23:35:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:35:27,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:27,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-05 23:35:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2024-12-05 23:35:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2024-12-05 23:35:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:35:27,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:27,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-05 23:35:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2024-12-05 23:35:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-12-05 23:35:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:35:28,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:28,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-05 23:35:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2024-12-05 23:35:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2024-12-05 23:35:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:35:28,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:28,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-05 23:35:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2024-12-05 23:35:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2024-12-05 23:35:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:35:29,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:29,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2024-12-05 23:35:30,117 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2024-12-05 23:35:30,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 23:35:30,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:30,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-05 23:35:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2024-12-05 23:35:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-12-05 23:35:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 23:35:30,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2024-12-05 23:35:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2024-12-05 23:35:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 23:35:31,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:31,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 74 states and 84 transitions. [2024-12-05 23:35:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2024-12-05 23:35:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-05 23:35:32,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:32,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2024-12-05 23:35:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2024-12-05 23:35:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 23:35:32,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2024-12-05 23:35:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2024-12-05 23:35:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 23:35:33,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:33,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:34,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2024-12-05 23:35:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2024-12-05 23:35:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:35:34,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2024-12-05 23:35:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2024-12-05 23:35:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 23:35:35,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:35,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 89 states and 99 transitions. [2024-12-05 23:35:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2024-12-05 23:35:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-05 23:35:36,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:35:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2024-12-05 23:35:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2024-12-05 23:35:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 23:35:36,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:36,956 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:35:47,346 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:35:47,352 INFO L158 Benchmark]: Toolchain (without parser) took 32065.77ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 113.5MB in the beginning and 290.8MB in the end (delta: -177.2MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. [2024-12-05 23:35:47,352 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:47,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 971.94ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 104.6MB in the end (delta: 8.9MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-12-05 23:35:47,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.38ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 98.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:47,354 INFO L158 Benchmark]: Boogie Preprocessor took 65.87ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 94.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:47,354 INFO L158 Benchmark]: RCFGBuilder took 909.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 91.7MB in the end (delta: 2.4MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-12-05 23:35:47,355 INFO L158 Benchmark]: CodeCheck took 30035.96ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 91.7MB in the beginning and 290.8MB in the end (delta: -199.0MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. [2024-12-05 23:35:47,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 971.94ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 104.6MB in the end (delta: 8.9MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.38ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 98.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.87ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 94.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 909.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 91.7MB in the end (delta: 2.4MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * CodeCheck took 30035.96ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 91.7MB in the beginning and 290.8MB in the end (delta: -199.0MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:35:47,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:35:49,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:35:49,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:35:49,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:35:49,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:35:49,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:35:49,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:35:49,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:35:49,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:35:49,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:35:49,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:35:49,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:35:49,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:49,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:35:49,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:35:49,476 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:35:49,476 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:49,476 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:35:49,476 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_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff8320881bb5cbc5b52aa5a0a8dd146a23603ac32480303b1494fa48d4d27d8 [2024-12-05 23:35:49,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:35:49,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:35:49,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:35:49,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:35:49,777 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:35:49,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-12-05 23:35:53,243 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/225e6f1f2/b3c89ffc600e4b2cbaa81a2e57aca002/FLAG45f48e35c [2024-12-05 23:35:53,595 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:35:53,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/sv-benchmarks/c/busybox-1.22.0/hostid.i [2024-12-05 23:35:53,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/225e6f1f2/b3c89ffc600e4b2cbaa81a2e57aca002/FLAG45f48e35c [2024-12-05 23:35:53,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/data/225e6f1f2/b3c89ffc600e4b2cbaa81a2e57aca002 [2024-12-05 23:35:53,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:35:53,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:35:53,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:53,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:35:53,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:35:53,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:53" (1/1) ... [2024-12-05 23:35:53,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6935891c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:53, skipping insertion in model container [2024-12-05 23:35:53,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:53" (1/1) ... [2024-12-05 23:35:53,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:35:54,670 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,674 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,699 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:54,745 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:35:54,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:55,018 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:35:55,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55 WrapperNode [2024-12-05 23:35:55,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:55,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:55,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:35:55,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:35:55,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,108 INFO L138 Inliner]: procedures = 531, calls = 407, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 487 [2024-12-05 23:35:55,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:55,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:35:55,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:35:55,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:35:55,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:35:55,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:35:55,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:35:55,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:35:55,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:55" (1/1) ... [2024-12-05 23:35:55,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:55,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:35:55,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:35:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:35:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:35:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:35:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:35:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:35:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:35:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 23:35:55,565 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:35:55,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:35:56,284 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-05 23:35:56,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:56,443 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:56,443 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 23:35:56,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:56 BoogieIcfgContainer [2024-12-05 23:35:56,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:56,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:56,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:56,457 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:56,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:56" (1/1) ... [2024-12-05 23:35:56,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2024-12-05 23:35:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-12-05 23:35:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:35:56,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:56,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:56,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:35:56,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:35:56,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:35:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:56,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:35:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:57,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:35:57,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:35:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:57,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:35:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2024-12-05 23:35:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-12-05 23:35:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:35:58,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:58,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:35:58,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:35:58,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:35:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:58,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:35:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:59,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:35:59,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:35:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:59,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:35:59,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2024-12-05 23:35:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-12-05 23:35:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:35:59,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:59,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:59,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:35:59,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:35:59,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:36:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:00,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:01,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:36:01,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:01,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:36:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2024-12-05 23:36:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-12-05 23:36:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:36:01,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:01,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:01,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:01,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:01,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:36:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:02,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:03,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:36:03,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:03,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:36:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2024-12-05 23:36:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2024-12-05 23:36:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:36:03,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:03,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:03,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:03,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:03,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:36:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:04,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:04,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:36:04,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:05,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:36:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2024-12-05 23:36:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-12-05 23:36:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:36:05,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:05,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:05,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:05,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:05,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:36:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:05,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:06,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:36:06,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:06,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:36:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2024-12-05 23:36:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-12-05 23:36:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:36:07,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:07,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:07,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:07,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:36:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:07,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:08,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:36:08,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:08,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:36:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2024-12-05 23:36:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-12-05 23:36:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:36:09,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:09,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:09,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:09,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:09,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:36:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:10,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:10,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:36:10,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:10,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:36:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2024-12-05 23:36:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-12-05 23:36:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:36:11,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:11,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:11,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:11,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:11,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:36:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:11,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:12,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:36:12,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:12,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:36:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2024-12-05 23:36:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2024-12-05 23:36:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:36:12,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:12,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:12,827 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:12,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:36:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:13,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:14,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:36:14,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:14,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:36:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2024-12-05 23:36:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2024-12-05 23:36:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:36:15,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:15,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:15,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:15,464 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:15,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:36:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:16,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:17,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:36:17,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:17,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:36:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2024-12-05 23:36:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2024-12-05 23:36:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:36:17,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:17,987 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:17,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:36:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:18,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:19,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:36:19,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:19,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:36:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-12-05 23:36:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-12-05 23:36:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:36:20,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:20,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:20,771 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:36:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:21,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:21,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:21,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:21,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:36:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-12-05 23:36:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-12-05 23:36:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:36:21,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:21,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:21,723 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:21,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:36:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:23,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:23,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:36:23,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:24,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:36:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2024-12-05 23:36:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2024-12-05 23:36:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:36:24,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:24,766 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:24,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:36:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:25,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:25,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:25,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:25,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:36:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-12-05 23:36:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-12-05 23:36:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:36:25,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:25,719 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:36:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:26,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:26,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:36:26,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:26,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:36:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2024-12-05 23:36:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2024-12-05 23:36:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:36:27,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:27,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:27,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:27,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:27,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:36:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:28,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:29,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:36:29,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:29,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:36:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2024-12-05 23:36:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-12-05 23:36:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:36:30,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:30,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:30,936 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:30,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:36:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:31,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:32,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:32,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:32,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:36:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2024-12-05 23:36:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2024-12-05 23:36:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:36:32,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:32,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:32,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:32,128 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:36:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:32,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:33,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:33,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:33,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:36:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2024-12-05 23:36:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2024-12-05 23:36:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:36:33,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:33,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:33,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:33,246 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:36:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:34,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:34,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:36:34,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:35,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:36:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2024-12-05 23:36:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2024-12-05 23:36:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:36:35,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:35,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:35,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:35,544 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:35,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:36:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:36,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:37,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:36:37,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:37,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:36:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2024-12-05 23:36:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2024-12-05 23:36:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 23:36:38,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:38,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:38,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:38,893 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:38,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:36:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:40,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:40,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:36:40,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:41,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:36:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2024-12-05 23:36:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2024-12-05 23:36:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 23:36:42,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:42,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:42,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:42,485 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:42,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:36:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:43,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:44,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:36:44,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:44,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:36:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-12-05 23:36:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-12-05 23:36:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:36:45,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:45,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:45,587 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:45,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:36:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:46,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:47,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:36:47,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:47,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:36:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 65 states and 68 transitions. [2024-12-05 23:36:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-12-05 23:36:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 23:36:48,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:48,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:48,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:48,901 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:36:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:50,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:51,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:36:51,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:51,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:36:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 68 states and 71 transitions. [2024-12-05 23:36:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2024-12-05 23:36:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:36:52,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:52,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:52,879 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:36:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:54,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:54,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:36:54,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:55,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:36:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 71 states and 74 transitions. [2024-12-05 23:36:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2024-12-05 23:36:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 23:36:56,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:56,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:56,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:56,356 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:56,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:36:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:57,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:58,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:36:58,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:36:59,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:37:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2024-12-05 23:37:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2024-12-05 23:37:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 23:37:00,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:00,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:00,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:00,780 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:00,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:37:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:01,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:37:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:02,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:37:02,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:37:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:37:02,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:37:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 77 states and 80 transitions. [2024-12-05 23:37:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2024-12-05 23:37:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-05 23:37:04,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:04,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:04,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:04,623 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:04,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:37:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:06,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:37:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:06,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:37:06,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:37:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:37:07,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:37:08,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 80 states and 83 transitions. [2024-12-05 23:37:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2024-12-05 23:37:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-05 23:37:08,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:08,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:08,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:08,880 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:08,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:37:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:10,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:37:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:10,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:37:10,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:37:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-05 23:37:11,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:37:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2024-12-05 23:37:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2024-12-05 23:37:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-05 23:37:13,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:13,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:13,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:13,111 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:13,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:37:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:14,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:37:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:37:15,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:37:15,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:37:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-05 23:37:15,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:37:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:37:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 110 states and 112 transitions. [2024-12-05 23:37:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 112 transitions. [2024-12-05 23:37:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 23:37:35,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:37:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:37:35,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:37:35,357 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:37:35,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e953d-addc-4cdb-bb3d-bb754c05a1a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process