./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:57:21,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:57:21,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:57:21,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:57:21,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:57:21,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:57:21,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:57:21,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:57:21,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:57:21,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:57:21,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:57:21,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:57:21,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:57:21,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:21,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:57:21,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:57:21,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:57:21,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:57:21,406 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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 -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-12-06 00:57:21,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:57:21,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:57:21,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:57:21,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:57:21,634 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:57:21,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-12-06 00:57:24,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/f4dd7d782/00316f67953d45f88be16ef8609e4abf/FLAGbd03fb28f [2024-12-06 00:57:24,667 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:57:24,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-12-06 00:57:24,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/f4dd7d782/00316f67953d45f88be16ef8609e4abf/FLAGbd03fb28f [2024-12-06 00:57:24,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/f4dd7d782/00316f67953d45f88be16ef8609e4abf [2024-12-06 00:57:24,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:57:24,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:57:24,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:24,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:57:24,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:57:24,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7b0e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24, skipping insertion in model container [2024-12-06 00:57:24,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:57:24,849 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-12-06 00:57:24,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:24,875 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:57:24,885 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-12-06 00:57:24,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:24,904 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:57:24,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24 WrapperNode [2024-12-06 00:57:24,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:24,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:24,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:57:24,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:57:24,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,932 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-06 00:57:24,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:24,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:57:24,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:57:24,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:57:24,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:57:24,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:57:24,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:57:24,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:57:24,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:24" (1/1) ... [2024-12-06 00:57:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:24,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:57:24,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:57:24,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:57:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:57:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:57:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:57:25,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:57:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:57:25,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:57:25,067 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:57:25,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:57:25,173 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:57:25,173 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:57:25,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:57:25,210 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:57:25,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:25 BoogieIcfgContainer [2024-12-06 00:57:25,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:57:25,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:57:25,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:57:25,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:57:25,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:25" (1/1) ... [2024-12-06 00:57:25,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:57:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:57:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:57:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:57:25,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:25,382 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 00:57:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:57:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:57:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:57:25,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:25,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:57:25,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:25,538 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 00:57:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 00:57:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 00:57:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:57:25,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:25,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:25,719 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 00:57:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 00:57:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 00:57:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:57:25,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:26,155 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 00:57:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:57:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:57:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:57:26,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:26,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:57:26,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:29,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 00:57:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 00:57:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:57:29,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:29,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:57:29,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:57:30,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:30,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 00:57:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 00:57:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:57:30,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:30,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,207 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 00:57:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 00:57:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 00:57:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:57:30,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:57:30,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:57:34,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-06 00:57:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 00:57:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:57:34,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:34,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:34,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:57:34,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:57:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-12-06 00:57:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-06 00:57:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:57:35,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:57:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-12-06 00:57:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-12-06 00:57:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:57:36,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:36,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:36,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:57:36,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:57:40,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-12-06 00:57:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-12-06 00:57:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:57:40,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:40,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:57:40,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:40,681 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 00:57:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-12-06 00:57:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-12-06 00:57:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:57:42,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 00:57:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-12-06 00:57:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-12-06 00:57:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:57:43,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:43,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:43,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:57:43,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:57:48,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-12-06 00:57:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-12-06 00:57:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:57:48,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:48,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:57:48,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 00:57:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-12-06 00:57:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-12-06 00:57:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 00:57:50,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 00:57:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-12-06 00:57:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-12-06 00:57:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 00:57:51,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:51,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:56,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 00:57:56,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 00:58:01,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:58:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-12-06 00:58:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-12-06 00:58:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 00:58:01,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:58:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:58:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:01,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:58:01,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 00:58:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-12-06 00:58:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-12-06 00:58:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 00:58:04,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:04,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:58:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 00:58:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-12-06 00:58:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-12-06 00:58:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:58:05,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:58:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:58:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:58:15,705 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 00:58:15,709 INFO L158 Benchmark]: Toolchain (without parser) took 51016.22ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 93.1MB in the beginning and 81.2MB in the end (delta: 11.9MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-12-06 00:58:15,709 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:58:15,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.33ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:58:15,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:58:15,711 INFO L158 Benchmark]: Boogie Preprocessor took 17.29ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 588.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:58:15,711 INFO L158 Benchmark]: RCFGBuilder took 259.60ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:58:15,711 INFO L158 Benchmark]: CodeCheck took 50496.84ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.8MB in the beginning and 81.2MB in the end (delta: -13.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-12-06 00:58:15,714 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.33ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.29ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 588.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 259.60ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 50496.84ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.8MB in the beginning and 81.2MB in the end (delta: -13.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:58:15,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:58:17,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:58:18,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:58:18,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:58:18,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:58:18,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:58:18,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:58:18,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:58:18,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:58:18,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:58:18,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:58:18,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:58:18,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:58:18,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:58:18,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:58:18,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:18,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:58:18,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:58:18,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:58:18,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:58:18,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:18,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:58:18,037 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/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 -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-12-06 00:58:18,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:58:18,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:58:18,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:58:18,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:58:18,315 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:58:18,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-12-06 00:58:21,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/c259a433a/7f6f89143a8942cf8cb3e688c284fb79/FLAG25f828275 [2024-12-06 00:58:21,639 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:58:21,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-12-06 00:58:21,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/c259a433a/7f6f89143a8942cf8cb3e688c284fb79/FLAG25f828275 [2024-12-06 00:58:21,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/data/c259a433a/7f6f89143a8942cf8cb3e688c284fb79 [2024-12-06 00:58:21,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:58:21,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:58:21,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:21,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:58:21,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:58:21,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd3ffaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21, skipping insertion in model container [2024-12-06 00:58:21,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:58:21,860 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-12-06 00:58:21,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:21,896 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:58:21,908 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_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-12-06 00:58:21,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:21,935 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:58:21,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21 WrapperNode [2024-12-06 00:58:21,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:21,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:21,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:58:21,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:58:21,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,966 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 00:58:21,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:21,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:58:21,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:58:21,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:58:21,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:21,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:58:21,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:58:21,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:58:21,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:58:21,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:21" (1/1) ... [2024-12-06 00:58:22,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:58:22,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:58:22,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:58:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:58:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:58:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:58:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:58:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:58:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:58:22,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:58:22,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:58:22,574 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:58:22,574 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:58:22,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:58:22,622 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:58:22,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:58:22 BoogieIcfgContainer [2024-12-06 00:58:22,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:58:22,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:58:22,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:58:22,633 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:58:22,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:58:22" (1/1) ... [2024-12-06 00:58:22,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:58:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:58:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:58:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:58:22,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:22,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:22,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:22,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:58:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:22,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:22,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:58:22,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:22,984 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 00:58:22,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:58:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:58:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:58:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:58:23,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:23,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:23,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:23,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:58:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:23,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:23,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:58:23,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:23,980 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 00:58:23,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:58:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 00:58:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 00:58:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:58:25,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:25,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:25,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:25,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:25,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:58:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:26,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:26,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:58:26,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:26,498 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 00:58:26,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:58:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-06 00:58:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-06 00:58:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:58:27,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:27,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:27,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:27,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:27,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:58:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:27,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:27,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:58:27,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:42,232 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 00:58:42,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:59:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-12-06 00:59:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-12-06 00:59:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:59:08,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:08,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:08,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:59:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:09,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:09,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:59:09,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:59:10,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:59:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-06 00:59:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-06 00:59:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:59:54,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:54,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:54,426 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:54,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:59:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:54,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:55,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:59:55,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:56,744 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 00:59:56,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:00:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-06 01:00:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 01:00:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:00:42,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:42,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:42,429 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:42,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:00:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:00:43,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:00:47,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:01:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-12-06 01:01:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-06 01:01:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:01:24,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:24,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:24,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:24,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:24,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:01:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:25,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:26,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:01:26,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:01:27,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:02:27,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:02:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-12-06 01:02:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-12-06 01:02:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:02:37,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:37,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:37,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:37,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:37,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:02:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:38,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:39,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:02:39,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:02:44,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 01:04:38,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:04:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-12-06 01:04:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-12-06 01:04:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:04:39,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:39,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:39,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:39,037 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:39,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:04:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:40,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:40,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:04:40,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:04:46,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 01:05:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-12-06 01:05:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-12-06 01:05:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:05:46,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:46,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:05:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:05:46,982 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:05:46,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:05:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:48,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:05:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:49,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:05:49,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:05:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:05:51,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 01:07:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 65 states and 158 transitions. [2024-12-06 01:07:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2024-12-06 01:07:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:07:17,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:17,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:17,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:17,624 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:17,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:07:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:19,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:20,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:07:20,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:24,704 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 01:07:24,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 01:09:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 71 states and 186 transitions. [2024-12-06 01:09:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 186 transitions. [2024-12-06 01:09:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:09:24,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:24,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:24,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:24,875 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:24,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:09:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:26,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:27,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:09:27,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:09:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 01:10:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 75 states and 194 transitions. [2024-12-06 01:10:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 194 transitions. [2024-12-06 01:10:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:10:21,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:21,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:21,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:21,973 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:21,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:10:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:23,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:24,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:10:24,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:10:27,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:11:30,761 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 79 states and 205 transitions. [2024-12-06 01:12:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 205 transitions. [2024-12-06 01:12:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 01:12:08,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:08,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:08,120 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:08,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:12:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:09,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:10,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:12:10,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:12:16,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d27c1b78-07a3-49cb-bb8b-aeaf94e56046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0