./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.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_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/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_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/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_4e0a04ad-5b48-49fb-89dc-e3d138076231/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:00:21,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:00:21,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:00:21,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:00:21,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:00:21,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:00:21,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:00:21,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:00:21,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:00:21,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:00:21,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:00:21,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:00:21,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:00:21,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:21,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:00:21,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:00:21,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:00:21,416 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:00:21,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:00:21,416 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/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 -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-12-06 01:00:21,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:00:21,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:00:21,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:00:21,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:00:21,658 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:00:21,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-12-06 01:00:24,314 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/5a0b40e82/6fb32b1f52c04bd4ae81712f7ff7f4cd/FLAG9ca6a6d9f [2024-12-06 01:00:24,486 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:00:24,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-12-06 01:00:24,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/5a0b40e82/6fb32b1f52c04bd4ae81712f7ff7f4cd/FLAG9ca6a6d9f [2024-12-06 01:00:24,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/5a0b40e82/6fb32b1f52c04bd4ae81712f7ff7f4cd [2024-12-06 01:00:24,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:00:24,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:00:24,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:24,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:00:24,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:00:24,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bde9f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24, skipping insertion in model container [2024-12-06 01:00:24,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:00:24,660 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-12-06 01:00:24,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:24,683 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:00:24,692 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-12-06 01:00:24,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:24,710 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:00:24,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24 WrapperNode [2024-12-06 01:00:24,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:24,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:24,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:00:24,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:00:24,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,736 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-12-06 01:00:24,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:24,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:00:24,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:00:24,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:00:24,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:00:24,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:00:24,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:00:24,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:00:24,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:00:24,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:00:24,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:00:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:00:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:00:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:00:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:00:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:00:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:00:24,862 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:00:24,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:00:24,960 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:00:24,960 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:00:24,992 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:00:24,992 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:00:24,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:24 BoogieIcfgContainer [2024-12-06 01:00:24,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:00:24,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:00:24,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:00:25,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:00:25,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:24" (1/1) ... [2024-12-06 01:00:25,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:00:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 01:00:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 01:00:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:00:25,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:25,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:25,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:00:25,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:25,239 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 01:00:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 01:00:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 01:00:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:00:25,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:25,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:00:25,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:25,407 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 01:00:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 01:00:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 01:00:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:00:25,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:25,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:00:25,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:25,573 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 01:00:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 01:00:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 01:00:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:00:25,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:25,893 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 01:00:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 29 transitions. [2024-12-06 01:00:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 01:00:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:00:26,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:26,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:26,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:00:26,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:26,341 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 01:00:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 43 transitions. [2024-12-06 01:00:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-12-06 01:00:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:00:26,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:26,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:00:26,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:00:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2024-12-06 01:00:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-12-06 01:00:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:00:27,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:27,214 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 01:00:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 48 transitions. [2024-12-06 01:00:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-12-06 01:00:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:00:27,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:27,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:00:27,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:27,549 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 01:00:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 60 transitions. [2024-12-06 01:00:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-12-06 01:00:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:00:28,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:28,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:00:28,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:00:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 63 transitions. [2024-12-06 01:00:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2024-12-06 01:00:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:00:28,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:28,597 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 01:00:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 65 transitions. [2024-12-06 01:00:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-12-06 01:00:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:00:28,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:28,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:28,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:00:28,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:28,995 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 01:00:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 77 transitions. [2024-12-06 01:00:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2024-12-06 01:00:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:00:29,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:29,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:29,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:00:29,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:29,773 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 01:00:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 80 transitions. [2024-12-06 01:00:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2024-12-06 01:00:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:00:30,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:30,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:30,123 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 01:00:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 82 transitions. [2024-12-06 01:00:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-12-06 01:00:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:00:30,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:30,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:30,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:00:30,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:00:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 94 transitions. [2024-12-06 01:00:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-12-06 01:00:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:00:31,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:31,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 01:00:31,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:31,606 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 01:00:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 47 states and 97 transitions. [2024-12-06 01:00:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-12-06 01:00:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 01:00:31,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:31,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:32,051 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 01:00:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 99 transitions. [2024-12-06 01:00:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2024-12-06 01:00:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:00:32,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:32,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:32,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:00:32,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:32,540 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 01:00:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 111 transitions. [2024-12-06 01:00:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2024-12-06 01:00:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:00:33,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:33,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:00:33,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 26 proven. 37 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 01:00:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 114 transitions. [2024-12-06 01:00:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 114 transitions. [2024-12-06 01:00:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:00:34,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:34,963 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 01:00:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 116 transitions. [2024-12-06 01:00:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 116 transitions. [2024-12-06 01:00:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:00:35,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:35,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:00:35,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:35,507 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 01:00:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 60 states and 128 transitions. [2024-12-06 01:00:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-12-06 01:00:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:00:36,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:36,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:00:36,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 01:00:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 131 transitions. [2024-12-06 01:00:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-12-06 01:00:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:00:38,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:38,156 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 01:00:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 133 transitions. [2024-12-06 01:00:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2024-12-06 01:00:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:00:38,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:38,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:00:38,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:38,821 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 01:00:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 145 transitions. [2024-12-06 01:00:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-12-06 01:00:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:00:40,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:40,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:40,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 01:00:40,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:40,589 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 01:00:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 148 transitions. [2024-12-06 01:00:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-12-06 01:00:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 01:00:41,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:41,257 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 01:00:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 150 transitions. [2024-12-06 01:00:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-12-06 01:00:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 01:00:41,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:41,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:41,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 01:00:41,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:42,063 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 01:00:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 162 transitions. [2024-12-06 01:00:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 162 transitions. [2024-12-06 01:00:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 01:00:43,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:00:43,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:44,162 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 01:00:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 75 states and 165 transitions. [2024-12-06 01:00:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2024-12-06 01:00:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 01:00:44,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:44,867 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 01:00:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 167 transitions. [2024-12-06 01:00:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 167 transitions. [2024-12-06 01:00:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 01:00:45,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:45,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 01:00:45,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:45,721 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 01:00:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 81 states and 179 transitions. [2024-12-06 01:00:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 179 transitions. [2024-12-06 01:00:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 01:00:47,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:47,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:48,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 01:00:48,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 42 proven. 126 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 01:00:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 82 states and 182 transitions. [2024-12-06 01:00:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 182 transitions. [2024-12-06 01:00:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 01:00:49,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:49,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:49,396 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 01:00:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 83 states and 184 transitions. [2024-12-06 01:00:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2024-12-06 01:00:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:00:49,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:49,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 01:00:49,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 110 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-06 01:00:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 196 transitions. [2024-12-06 01:00:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 196 transitions. [2024-12-06 01:00:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:00:52,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:52,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 01:00:52,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 47 proven. 150 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 01:00:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 89 states and 199 transitions. [2024-12-06 01:00:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 199 transitions. [2024-12-06 01:00:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 01:00:53,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:53,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:53,918 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 01:00:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 90 states and 201 transitions. [2024-12-06 01:00:54,346 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 201 transitions. [2024-12-06 01:00:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 01:00:54,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:54,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:54,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 01:00:54,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:54,876 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 01:00:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 213 transitions. [2024-12-06 01:00:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 213 transitions. [2024-12-06 01:00:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 01:00:57,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:57,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:00:57,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 56 proven. 145 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-06 01:00:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 216 transitions. [2024-12-06 01:00:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2024-12-06 01:00:58,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 01:00:58,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:58,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:58,668 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 01:00:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 97 states and 218 transitions. [2024-12-06 01:00:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 218 transitions. [2024-12-06 01:00:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 01:00:59,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:59,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:59,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 01:00:59,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:59,644 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 01:01:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 102 states and 230 transitions. [2024-12-06 01:01:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 230 transitions. [2024-12-06 01:01:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 01:01:02,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:02,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:02,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 01:01:02,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:02,928 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 01:01:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 233 transitions. [2024-12-06 01:01:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 233 transitions. [2024-12-06 01:01:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 01:01:03,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:03,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:03,923 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 01:01:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 104 states and 235 transitions. [2024-12-06 01:01:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 235 transitions. [2024-12-06 01:01:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 01:01:04,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:04,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-06 01:01:04,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 28 proven. 182 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-06 01:01:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 109 states and 247 transitions. [2024-12-06 01:01:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 247 transitions. [2024-12-06 01:01:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 01:01:07,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:08,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 01:01:08,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 66 proven. 197 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 01:01:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 110 states and 250 transitions. [2024-12-06 01:01:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 250 transitions. [2024-12-06 01:01:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 01:01:09,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-12-06 01:01:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 111 states and 252 transitions. [2024-12-06 01:01:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 252 transitions. [2024-12-06 01:01:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 01:01:10,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:10,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:10,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-06 01:01:10,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 29 proven. 253 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-06 01:01:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 116 states and 264 transitions. [2024-12-06 01:01:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 264 transitions. [2024-12-06 01:01:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 01:01:13,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:23,733 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 01:01:23,737 INFO L158 Benchmark]: Toolchain (without parser) took 59226.88ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 93.7MB in the beginning and 255.0MB in the end (delta: -161.3MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-12-06 01:01:23,738 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:23,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.34ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:01:23,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.03ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:23,739 INFO L158 Benchmark]: Boogie Preprocessor took 16.13ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 645.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:23,739 INFO L158 Benchmark]: RCFGBuilder took 239.49ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:01:23,739 INFO L158 Benchmark]: CodeCheck took 58742.94ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 68.9MB in the beginning and 255.0MB in the end (delta: -186.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-12-06 01:01:23,741 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.34ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.03ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.13ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 645.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.49ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 58742.94ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 68.9MB in the beginning and 255.0MB in the end (delta: -186.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:01:23,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/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_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/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_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/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_4e0a04ad-5b48-49fb-89dc-e3d138076231/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:01:25,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:01:25,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:01:25,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:01:25,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:01:25,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:01:25,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:01:25,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:01:25,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:01:25,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:01:25,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:01:25,823 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:01:25,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:01:25,823 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:01:25,823 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:01:25,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:01:25,824 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:25,824 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:01:25,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:01:25,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:25,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:01:25,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:01:25,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:01:25,825 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:01:25,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:25,825 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:01:25,825 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/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 -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-12-06 01:01:26,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:01:26,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:01:26,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:01:26,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:01:26,093 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:01:26,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-12-06 01:01:28,836 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/a9e9d2913/e968a3867cd34aab9c47ec74e3860d56/FLAG4f6bdd374 [2024-12-06 01:01:29,034 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:01:29,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-12-06 01:01:29,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/a9e9d2913/e968a3867cd34aab9c47ec74e3860d56/FLAG4f6bdd374 [2024-12-06 01:01:29,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/data/a9e9d2913/e968a3867cd34aab9c47ec74e3860d56 [2024-12-06 01:01:29,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:01:29,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:01:29,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:29,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:01:29,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:01:29,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25644f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29, skipping insertion in model container [2024-12-06 01:01:29,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:01:29,523 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-12-06 01:01:29,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:29,549 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:01:29,559 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_4e0a04ad-5b48-49fb-89dc-e3d138076231/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-12-06 01:01:29,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:29,579 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:01:29,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29 WrapperNode [2024-12-06 01:01:29,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:29,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:29,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:01:29,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:01:29,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,604 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-06 01:01:29,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:29,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:01:29,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:01:29,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:01:29,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,613 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:01:29,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:01:29,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:01:29,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:01:29,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:01:29,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:01:29,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:01:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:01:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:01:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:01:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:01:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:01:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:01:29,716 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:01:29,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:01:29,910 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:01:29,910 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:01:29,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:01:29,958 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:01:29,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:29 BoogieIcfgContainer [2024-12-06 01:01:29,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:01:29,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:01:29,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:01:29,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:01:29,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:29" (1/1) ... [2024-12-06 01:01:29,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:01:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 01:01:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 01:01:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:01:30,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:30,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:30,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:30,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:01:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:30,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:30,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:01:30,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:30,498 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 01:01:30,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:01:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 01:01:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 01:01:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:01:31,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:31,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:31,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:31,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:31,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:01:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:31,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:31,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:01:31,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:32,279 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 01:01:32,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:01:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 01:01:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 01:01:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:01:35,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:35,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:35,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:35,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:35,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:01:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:35,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:35,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:01:35,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:36,243 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 01:01:36,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:01:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-06 01:01:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-06 01:01:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:01:38,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:38,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:38,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:38,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:01:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:38,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:38,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:01:38,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:50,647 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 01:01:50,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:02:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2024-12-06 01:02:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2024-12-06 01:02:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:02:15,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:15,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:15,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:15,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:15,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:02:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:16,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:16,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:02:16,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:18,631 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 01:02:18,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 01:02:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2024-12-06 01:02:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2024-12-06 01:02:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:02:30,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:30,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:30,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:30,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:30,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:02:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:31,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:31,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:02:31,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:32,423 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 01:02:32,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:02:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2024-12-06 01:02:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2024-12-06 01:02:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:02:38,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:38,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:38,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:38,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:02:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:38,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:38,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:02:38,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:41,401 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 01:02:41,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:02:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 33 states and 70 transitions. [2024-12-06 01:02:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 70 transitions. [2024-12-06 01:02:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:02:54,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:54,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:54,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:54,436 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:54,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:02:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:55,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:55,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:02:55,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:02:58,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:03:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2024-12-06 01:03:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2024-12-06 01:03:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:03:09,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:09,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:09,505 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:09,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:03:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:10,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:10,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:03:10,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:03:11,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:03:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 01:03:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 01:03:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:03:18,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:18,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:18,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:18,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:18,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:03:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:18,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:19,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:03:19,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:21,700 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 01:03:21,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:03:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2024-12-06 01:03:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2024-12-06 01:03:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:03:34,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:34,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:34,106 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:34,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:03:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:34,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:35,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:03:35,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:38,561 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 01:03:38,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:03:53,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:03:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 42 states and 98 transitions. [2024-12-06 01:03:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 98 transitions. [2024-12-06 01:03:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:03:53,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:53,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:53,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:53,879 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:53,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:03:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:55,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:55,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:03:55,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:03:57,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:04:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 44 states and 103 transitions. [2024-12-06 01:04:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 103 transitions. [2024-12-06 01:04:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:04:05,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:05,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:05,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:05,416 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:05,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:04:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:05,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:05,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:04:05,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:08,561 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 01:04:08,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:04:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 45 states and 106 transitions. [2024-12-06 01:04:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 106 transitions. [2024-12-06 01:04:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:04:23,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:23,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:23,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:23,477 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:23,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:04:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:24,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:25,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:04:25,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:30,456 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 01:04:30,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:04:48,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:04:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 48 states and 116 transitions. [2024-12-06 01:04:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 116 transitions. [2024-12-06 01:04:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:04:49,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:49,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:49,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:49,571 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:49,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:04:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:50,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:51,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:04:51,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:04:53,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:05:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 50 states and 121 transitions. [2024-12-06 01:05:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 121 transitions. [2024-12-06 01:05:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 01:05:02,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:02,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:05:02,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:05:02,931 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:05:02,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:05:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:02,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:05:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:03,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:05:03,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:05:06,312 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 01:05:06,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:05:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 51 states and 124 transitions. [2024-12-06 01:05:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 124 transitions. [2024-12-06 01:05:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:05:21,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:21,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:05:21,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:05:21,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:05:21,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:05:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:22,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:05:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:23,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:05:23,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:05:27,206 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 01:05:27,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:05:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 54 states and 134 transitions. [2024-12-06 01:05:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 134 transitions. [2024-12-06 01:05:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:05:47,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:05:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:05:47,477 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:05:47,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:05:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:48,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:05:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:49,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:05:49,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:05:52,036 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 01:05:52,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:06:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 56 states and 139 transitions. [2024-12-06 01:06:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 139 transitions. [2024-12-06 01:06:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:06:03,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:03,977 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:06:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:04,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:04,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:06:04,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:07,206 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 01:06:07,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:06:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 57 states and 142 transitions. [2024-12-06 01:06:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 142 transitions. [2024-12-06 01:06:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:06:23,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:23,717 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:23,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:06:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:25,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:26,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:06:26,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:33,013 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 01:06:33,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:07:01,081 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 01:07:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 152 transitions. [2024-12-06 01:07:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 152 transitions. [2024-12-06 01:07:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:07:01,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:01,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:01,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:01,112 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:01,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:07:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:02,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:03,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 01:07:03,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:06,773 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 01:07:06,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:07:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 62 states and 157 transitions. [2024-12-06 01:07:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 157 transitions. [2024-12-06 01:07:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:07:21,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:21,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:21,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:21,643 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:21,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:07:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:21,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:22,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:07:22,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:24,903 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 01:07:24,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:07:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 63 states and 160 transitions. [2024-12-06 01:07:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 160 transitions. [2024-12-06 01:07:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:07:42,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:42,289 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:42,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:07:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:43,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:44,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:07:44,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:51,195 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 01:07:51,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:08:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 66 states and 170 transitions. [2024-12-06 01:08:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 170 transitions. [2024-12-06 01:08:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:08:21,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:21,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:21,260 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:21,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:08:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:23,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:23,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:08:23,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 30 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-06 01:08:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:08:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 175 transitions. [2024-12-06 01:08:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 175 transitions. [2024-12-06 01:08:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 01:08:44,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:44,165 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:44,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:08:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:44,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:44,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:08:44,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:47,653 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 01:08:47,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:09:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 178 transitions. [2024-12-06 01:09:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 178 transitions. [2024-12-06 01:09:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 01:09:07,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:07,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:07,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:07,561 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:07,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:09:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:09,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:10,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:09:10,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:27,442 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 01:09:27,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:10:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 72 states and 188 transitions. [2024-12-06 01:10:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 188 transitions. [2024-12-06 01:10:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 01:10:11,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:11,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:11,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:11,938 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:11,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:10:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:14,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:15,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 01:10:15,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 32 proven. 127 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 01:10:19,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:10:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 74 states and 193 transitions. [2024-12-06 01:10:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2024-12-06 01:10:38,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 01:10:38,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:38,535 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:38,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:10:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:38,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:39,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:10:39,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:42,394 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 01:10:42,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:11:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 75 states and 196 transitions. [2024-12-06 01:11:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 196 transitions. [2024-12-06 01:11:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 01:11:03,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:03,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:03,932 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:03,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:11:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:06,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:07,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:11:07,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:16,703 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 01:11:16,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:11:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 78 states and 206 transitions. [2024-12-06 01:11:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 206 transitions. [2024-12-06 01:11:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 01:11:58,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:58,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:58,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:58,783 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:58,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:12:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:01,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:02,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 01:12:02,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 45 proven. 150 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-06 01:12:08,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:12:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 80 states and 211 transitions. [2024-12-06 01:12:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 211 transitions. [2024-12-06 01:12:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 01:12:30,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:30,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:30,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:30,141 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:30,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:12:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:30,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:30,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:12:30,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:34,208 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 01:12:34,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:12:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 81 states and 214 transitions. [2024-12-06 01:12:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 214 transitions. [2024-12-06 01:12:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:12:57,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:57,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:57,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:57,092 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:57,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:12:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:59,580 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:00,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:13:00,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:15,207 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 01:13:15,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:14:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 224 transitions. [2024-12-06 01:14:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 224 transitions. [2024-12-06 01:14:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:14:06,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:06,794 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:06,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:14:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:09,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:10,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 01:14:10,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 36 proven. 191 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 01:14:16,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-06 01:14:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 86 states and 229 transitions. [2024-12-06 01:14:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 229 transitions. [2024-12-06 01:14:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 01:14:42,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:42,028 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:42,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 01:14:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:42,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:42,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:14:42,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:46,190 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 01:14:46,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 01:15:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 87 states and 232 transitions. [2024-12-06 01:15:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 232 transitions. [2024-12-06 01:15:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 01:15:12,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:12,222 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:12,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0a04ad-5b48-49fb-89dc-e3d138076231/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 01:15:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:14,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:16,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 01:15:16,071 INFO L279 TraceCheckSpWp]: Computing forward predicates...