./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/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_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:22:26,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:22:26,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:22:26,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:22:26,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:22:26,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:22:26,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:22:26,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:22:26,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:22:26,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:22:26,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:22:26,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:22:26,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:22:26,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:22:26,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:22:26,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:22:26,209 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:22:26,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:22:26,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:22:26,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:22:26,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:22:26,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:22:26,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:22:26,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:22:26,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:22:26,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:22:26,210 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_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2024-12-06 02:22:26,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:22:26,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:22:26,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:22:26,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:22:26,441 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:22:26,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-12-06 02:22:29,171 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ba1cb211/5f5940959b7b48a28eba3f401ec97b4c/FLAG4e7701a81 [2024-12-06 02:22:29,348 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:22:29,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-12-06 02:22:29,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ba1cb211/5f5940959b7b48a28eba3f401ec97b4c/FLAG4e7701a81 [2024-12-06 02:22:29,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ba1cb211/5f5940959b7b48a28eba3f401ec97b4c [2024-12-06 02:22:29,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:22:29,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:22:29,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:22:29,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:22:29,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:22:29,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709aad35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29, skipping insertion in model container [2024-12-06 02:22:29,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:22:29,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-12-06 02:22:29,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:22:29,547 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:22:29,556 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-12-06 02:22:29,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:22:29,573 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:22:29,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29 WrapperNode [2024-12-06 02:22:29,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:22:29,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:22:29,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:22:29,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:22:29,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,599 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-12-06 02:22:29,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:22:29,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:22:29,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:22:29,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:22:29,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:22:29,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:22:29,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:22:29,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:22:29,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:22:29,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:22:29,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:22:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:22:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:22:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:22:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:22:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:22:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:22:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:22:29,708 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:22:29,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:22:29,807 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:22:29,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:22:29,829 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:22:29,829 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:22:29,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:22:29 BoogieIcfgContainer [2024-12-06 02:22:29,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:22:29,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:22:29,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:22:29,840 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:22:29,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:22:29" (1/1) ... [2024-12-06 02:22:29,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:22:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:29,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 02:22:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 02:22:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:22:29,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:30,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:22:30,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:22:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:22:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:22:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:22:30,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:30,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:22:30,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:22:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-12-06 02:22:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-12-06 02:22:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:22:30,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:30,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:30,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:22:30,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:22:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 02:22:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 02:22:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:22:30,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:22:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-12-06 02:22:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-12-06 02:22:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:22:31,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:31,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:22:31,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:22:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-12-06 02:22:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-12-06 02:22:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:22:31,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:31,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:31,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:22:31,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:22:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-12-06 02:22:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-12-06 02:22:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:22:31,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:22:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2024-12-06 02:22:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2024-12-06 02:22:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:22:32,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:32,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:22:32,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:22:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-12-06 02:22:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-12-06 02:22:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:22:32,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:32,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:22:32,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:22:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2024-12-06 02:22:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2024-12-06 02:22:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:22:33,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:33,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 02:22:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2024-12-06 02:22:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2024-12-06 02:22:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:22:33,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:33,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:33,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:22:33,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:22:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-12-06 02:22:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-12-06 02:22:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:22:33,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:33,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:22:33,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:22:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2024-12-06 02:22:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2024-12-06 02:22:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:22:34,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 02:22:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2024-12-06 02:22:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2024-12-06 02:22:34,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:22:34,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:34,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:22:34,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 02:22:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2024-12-06 02:22:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2024-12-06 02:22:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:22:35,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:35,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:35,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:22:35,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:22:36,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2024-12-06 02:22:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2024-12-06 02:22:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:22:36,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-06 02:22:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2024-12-06 02:22:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-12-06 02:22:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:22:36,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:36,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:22:36,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 02:22:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 110 transitions. [2024-12-06 02:22:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2024-12-06 02:22:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:22:37,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:37,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:37,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:22:37,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 02:22:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2024-12-06 02:22:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2024-12-06 02:22:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:22:37,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:37,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 02:22:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-12-06 02:22:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-12-06 02:22:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:22:38,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:38,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:38,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:22:38,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 27 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 02:22:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 128 transitions. [2024-12-06 02:22:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 128 transitions. [2024-12-06 02:22:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:22:39,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:39,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:39,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:22:39,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 02:22:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 68 states and 141 transitions. [2024-12-06 02:22:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 141 transitions. [2024-12-06 02:22:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:22:40,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-12-06 02:22:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 142 transitions. [2024-12-06 02:22:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2024-12-06 02:22:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:22:41,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:41,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 02:22:41,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 32 proven. 84 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 02:22:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 146 transitions. [2024-12-06 02:22:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 146 transitions. [2024-12-06 02:22:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:22:42,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:42,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:42,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:22:42,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 02:22:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2024-12-06 02:22:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2024-12-06 02:22:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 02:22:43,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-12-06 02:22:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 77 states and 160 transitions. [2024-12-06 02:22:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2024-12-06 02:22:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:22:43,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:43,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:44,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:22:44,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 02:22:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 79 states and 164 transitions. [2024-12-06 02:22:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 164 transitions. [2024-12-06 02:22:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:22:45,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:45,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 02:22:45,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 02:22:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 84 states and 177 transitions. [2024-12-06 02:22:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 177 transitions. [2024-12-06 02:22:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 02:22:46,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-12-06 02:22:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2024-12-06 02:22:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2024-12-06 02:22:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:22:46,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:47,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:22:47,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 46 proven. 101 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 02:22:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 87 states and 182 transitions. [2024-12-06 02:22:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 182 transitions. [2024-12-06 02:22:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:22:48,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:48,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 02:22:48,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 19 proven. 118 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 02:22:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 92 states and 195 transitions. [2024-12-06 02:22:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 195 transitions. [2024-12-06 02:22:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 02:22:50,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-12-06 02:22:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2024-12-06 02:22:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2024-12-06 02:22:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:22:50,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:50,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:51,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:22:51,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 51 proven. 122 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 02:22:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 95 states and 200 transitions. [2024-12-06 02:22:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 200 transitions. [2024-12-06 02:22:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:22:52,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:52,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 02:22:52,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 21 proven. 141 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 02:22:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 100 states and 213 transitions. [2024-12-06 02:22:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 213 transitions. [2024-12-06 02:22:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 02:22:53,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-06 02:22:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 101 states and 214 transitions. [2024-12-06 02:22:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 214 transitions. [2024-12-06 02:22:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:22:54,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:54,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 02:22:54,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 52 proven. 176 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-06 02:22:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 103 states and 218 transitions. [2024-12-06 02:22:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 218 transitions. [2024-12-06 02:22:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:22:55,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:55,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 02:22:55,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 24 proven. 132 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-06 02:22:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 108 states and 231 transitions. [2024-12-06 02:22:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 231 transitions. [2024-12-06 02:22:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 02:22:57,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-12-06 02:22:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 109 states and 232 transitions. [2024-12-06 02:22:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 232 transitions. [2024-12-06 02:22:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 02:22:58,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:58,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 02:22:58,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 61 proven. 170 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-06 02:22:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 111 states and 236 transitions. [2024-12-06 02:22:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 236 transitions. [2024-12-06 02:22:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 02:22:59,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:59,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 02:22:59,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:23:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 26 proven. 156 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 02:23:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 116 states and 249 transitions. [2024-12-06 02:23:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 249 transitions. [2024-12-06 02:23:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 02:23:01,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:01,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:23:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-06 02:23:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 117 states and 250 transitions. [2024-12-06 02:23:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 250 transitions. [2024-12-06 02:23:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 02:23:01,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:23:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:23:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:23:16,644 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) [2024-12-06 02:23:16,647 INFO L158 Benchmark]: Toolchain (without parser) took 47275.08ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 93.2MB in the beginning and 158.5MB in the end (delta: -65.3MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-12-06 02:23:16,648 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:23:16,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.82ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:23:16,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.74ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.2MB in the end (delta: 821.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:23:16,648 INFO L158 Benchmark]: Boogie Preprocessor took 14.00ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 537.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:23:16,648 INFO L158 Benchmark]: RCFGBuilder took 214.75ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.1MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:23:16,649 INFO L158 Benchmark]: CodeCheck took 46816.42ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 70.1MB in the beginning and 158.5MB in the end (delta: -88.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-12-06 02:23:16,650 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.82ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.74ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.2MB in the end (delta: 821.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.00ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 537.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.75ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.1MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 46816.42ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 70.1MB in the beginning and 158.5MB in the end (delta: -88.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:23:16,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/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_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/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_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:23:18,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:23:18,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:23:18,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:23:18,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:23:18,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:23:18,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:23:18,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:23:18,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:23:18,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:23:18,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:23:18,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:23:18,672 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:23:18,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:23:18,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:23:18,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:23:18,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:23:18,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:23:18,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:23:18,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:18,673 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:23:18,673 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_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2024-12-06 02:23:18,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:23:18,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:23:18,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:23:18,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:23:18,927 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:23:18,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-12-06 02:23:21,637 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ca327d47/0dfc3546d17f4094a1adb3653911c5d3/FLAG45b60221a [2024-12-06 02:23:21,801 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:23:21,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-12-06 02:23:21,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ca327d47/0dfc3546d17f4094a1adb3653911c5d3/FLAG45b60221a [2024-12-06 02:23:21,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/data/1ca327d47/0dfc3546d17f4094a1adb3653911c5d3 [2024-12-06 02:23:21,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:23:21,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:23:21,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:23:21,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:23:21,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:23:21,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:23:21" (1/1) ... [2024-12-06 02:23:21,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6371b902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:21, skipping insertion in model container [2024-12-06 02:23:21,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:23:21" (1/1) ... [2024-12-06 02:23:21,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:23:21,969 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-12-06 02:23:21,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:23:21,998 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:23:22,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-12-06 02:23:22,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:23:22,029 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:23:22,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22 WrapperNode [2024-12-06 02:23:22,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:23:22,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:23:22,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:23:22,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:23:22,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,055 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-06 02:23:22,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:23:22,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:23:22,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:23:22,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:23:22,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,069 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:23:22,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:23:22,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:23:22,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:23:22,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:23:22,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:23:22,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:23:22,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:23:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:23:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:23:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:23:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:23:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:23:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:23:22,179 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:23:22,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:23:22,421 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:23:22,421 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:23:22,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:23:22,446 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:23:22,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:23:22 BoogieIcfgContainer [2024-12-06 02:23:22,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:23:22,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:23:22,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:23:22,454 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:23:22,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:23:22" (1/1) ... [2024-12-06 02:23:22,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:23:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 02:23:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 02:23:22,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:23:22,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:22,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:23:22,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:23:22,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:23:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:22,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:23:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:22,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:23:22,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:23:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:23:22,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:23:23,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:23:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:23:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:23:23,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:23,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:23:23,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:23:23,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:23:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:24,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:23:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:24,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:23:24,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:23:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:23:24,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:23:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 02:23:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 02:23:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:23:27,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:23:27,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:23:27,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:23:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:27,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:23:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:27,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:23:27,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:23:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:23:27,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:23:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-12-06 02:23:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-12-06 02:23:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:23:28,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:28,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:23:28,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:23:28,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:23:28,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:23:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:28,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:23:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:28,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:23:28,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:23:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:23:40,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:24:01,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:24:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-12-06 02:24:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-12-06 02:24:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:24:02,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:02,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:02,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:02,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:24:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:03,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:03,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:24:03,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:24:04,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:24:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-12-06 02:24:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-06 02:24:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:24:09,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:09,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:09,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:24:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:09,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:09,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:24:09,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:24:11,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:24:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2024-12-06 02:24:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2024-12-06 02:24:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:24:20,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:20,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:20,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:20,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:24:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:20,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:20,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:24:20,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:24:22,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:24:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2024-12-06 02:24:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2024-12-06 02:24:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:24:33,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:33,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:33,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:33,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:24:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:34,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:34,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:24:34,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:24:35,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:24:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2024-12-06 02:24:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2024-12-06 02:24:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:24:41,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:41,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:41,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:24:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:42,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:42,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:24:42,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:24:44,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:24:52,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:24:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2024-12-06 02:24:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2024-12-06 02:24:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:24:52,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:52,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:52,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:52,944 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:52,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:24:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:52,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:53,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:24:53,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 02:24:55,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:25:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 75 transitions. [2024-12-06 02:25:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 75 transitions. [2024-12-06 02:25:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:25:09,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:09,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:09,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:09,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:25:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:10,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:11,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:25:11,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:25:12,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:25:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2024-12-06 02:25:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2024-12-06 02:25:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:25:19,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:19,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:19,802 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:19,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:25:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:20,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:21,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:25:21,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:25:23,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:25:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 42 states and 88 transitions. [2024-12-06 02:25:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 88 transitions. [2024-12-06 02:25:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:25:33,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:33,487 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:33,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:25:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:33,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:33,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:25:33,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 02:25:36,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:25:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-12-06 02:25:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-12-06 02:25:50,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:25:50,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:50,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:50,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:50,356 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:50,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:25:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:51,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:52,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:25:52,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:25:53,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:26:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2024-12-06 02:26:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2024-12-06 02:26:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:26:02,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:26:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:26:02,042 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:26:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:26:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:03,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:26:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:03,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:26:03,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:26:09,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:26:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 103 transitions. [2024-12-06 02:26:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 103 transitions. [2024-12-06 02:26:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:26:22,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:22,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:26:22,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:26:22,517 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:26:22,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:26:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:22,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:26:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:22,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:26:22,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-06 02:26:26,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:26:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2024-12-06 02:26:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2024-12-06 02:26:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:26:41,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:41,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:26:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:26:41,133 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:26:41,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:26:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:42,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:26:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:43,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:26:43,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 19 proven. 53 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 02:26:45,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:26:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 109 transitions. [2024-12-06 02:26:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2024-12-06 02:26:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:26:55,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:55,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:26:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:26:55,347 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:26:55,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:26:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:56,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:26:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:57,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:26:57,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 02:27:01,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:27:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 118 transitions. [2024-12-06 02:27:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2024-12-06 02:27:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:27:15,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:27:15,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:27:15,182 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:27:15,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:27:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:15,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:27:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:15,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:27:15,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 02:27:18,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:27:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 120 transitions. [2024-12-06 02:27:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2024-12-06 02:27:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:27:35,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:35,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:27:35,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:27:35,361 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:27:35,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:27:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:36,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:27:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:37,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:27:37,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 02:27:40,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:27:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 124 transitions. [2024-12-06 02:27:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2024-12-06 02:27:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:27:52,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:52,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:27:52,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:27:52,766 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:27:52,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:27:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:54,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:27:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:55,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:27:55,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 02:28:01,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:28:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 133 transitions. [2024-12-06 02:28:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 133 transitions. [2024-12-06 02:28:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:28:19,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:19,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:28:19,137 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:28:19,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:28:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:19,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:28:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:19,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:28:19,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-12-06 02:28:22,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:28:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 135 transitions. [2024-12-06 02:28:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 135 transitions. [2024-12-06 02:28:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:28:40,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:40,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:40,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:28:40,477 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:28:40,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:28:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:42,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:28:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:43,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:28:43,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 34 proven. 91 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 02:28:46,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:29:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2024-12-06 02:29:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2024-12-06 02:29:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:29:01,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:01,073 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:01,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:29:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:02,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:03,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:29:03,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 15 proven. 78 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 02:29:09,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:29:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2024-12-06 02:29:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2024-12-06 02:29:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 02:29:28,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:28,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:28,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:28,792 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:28,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:29:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:28,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:29,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:29:29,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-12-06 02:29:31,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:29:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 67 states and 150 transitions. [2024-12-06 02:29:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 150 transitions. [2024-12-06 02:29:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:29:51,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:51,070 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:29:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:53,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:54,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:29:54,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 36 proven. 117 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 02:29:58,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:30:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 154 transitions. [2024-12-06 02:30:13,075 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 154 transitions. [2024-12-06 02:30:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:30:13,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:13,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:30:13,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:30:13,078 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:30:13,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:30:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:15,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:30:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:16,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:30:16,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 02:30:32,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:31:04,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:31:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 72 states and 163 transitions. [2024-12-06 02:31:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2024-12-06 02:31:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 02:31:05,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:05,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:05,612 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:05,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:31:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:05,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:06,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:31:06,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-12-06 02:31:09,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:31:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 73 states and 165 transitions. [2024-12-06 02:31:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 165 transitions. [2024-12-06 02:31:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:31:29,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:29,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:29,718 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:29,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:31:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:32,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:33,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:31:33,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 38 proven. 145 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-06 02:31:38,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:31:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 169 transitions. [2024-12-06 02:31:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2024-12-06 02:31:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:31:54,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:54,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:54,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:54,566 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:54,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:31:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:56,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:57,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:31:57,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 19 proven. 118 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 02:32:06,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 02:32:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 78 states and 178 transitions. [2024-12-06 02:32:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 178 transitions. [2024-12-06 02:32:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 02:32:32,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:32,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:32,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:32:32,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:32:32,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:32:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:32,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:32:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:32,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:32:32,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-12-06 02:32:36,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 02:32:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 79 states and 180 transitions. [2024-12-06 02:32:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 180 transitions. [2024-12-06 02:32:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:32:58,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:58,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:32:58,135 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:32:58,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 02:33:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:00,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:33:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:01,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:33:01,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 40 proven. 175 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 02:33:07,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 02:33:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 81 states and 184 transitions. [2024-12-06 02:33:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 184 transitions. [2024-12-06 02:33:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:33:27,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:33:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:33:27,210 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:33:27,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 02:33:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:29,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:33:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:30,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:33:30,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 21 proven. 141 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 02:33:43,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 02:34:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 84 states and 193 transitions. [2024-12-06 02:34:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 193 transitions. [2024-12-06 02:34:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 02:34:18,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:18,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:34:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:34:18,496 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:34:18,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 02:34:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:18,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:34:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:19,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:34:19,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:34:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-06 02:34:22,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 02:34:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 85 states and 195 transitions. [2024-12-06 02:34:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 195 transitions. [2024-12-06 02:34:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:34:46,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:46,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:34:46,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:34:46,715 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:34:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 02:34:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:49,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:34:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:50,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 02:34:50,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:34:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 42 proven. 207 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-12-06 02:34:57,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 02:35:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 87 states and 199 transitions. [2024-12-06 02:35:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 199 transitions. [2024-12-06 02:35:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:35:18,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:18,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:35:18,716 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:35:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 02:35:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:21,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:35:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:22,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 02:35:22,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:35:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 23 proven. 166 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-06 02:35:33,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 02:36:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2024-12-06 02:36:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2024-12-06 02:36:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 02:36:10,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:10,327 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:10,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 02:36:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:10,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:11,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:36:11,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-12-06 02:36:15,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 02:36:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 91 states and 210 transitions. [2024-12-06 02:36:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 210 transitions. [2024-12-06 02:36:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 02:36:42,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:42,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:42,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:42,275 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:42,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 02:36:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:45,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:46,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 02:36:46,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 44 proven. 241 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-06 02:36:54,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 02:37:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2024-12-06 02:37:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2024-12-06 02:37:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 02:37:20,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:20,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:20,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:20,266 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:20,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b1944d-2003-4b5a-8c7d-29f5ae0808fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 02:37:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:23,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:24,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:37:24,548 INFO L279 TraceCheckSpWp]: Computing forward predicates...