./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:47:11,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:47:11,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:47:11,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:47:11,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:47:11,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:47:11,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:47:11,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:47:11,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:47:11,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:47:11,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:47:11,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:47:11,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:11,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:47:11,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:47:11,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:47:11,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:47:11,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:47:11,807 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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 -> 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 [2024-12-06 03:47:12,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:47:12,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:47:12,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:47:12,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:47:12,035 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:47:12,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-12-06 03:47:14,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/60e7c2e50/e0e2ade9e1db4987aeed3206c0df270d/FLAG3627af125 [2024-12-06 03:47:14,812 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:47:14,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-12-06 03:47:14,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/60e7c2e50/e0e2ade9e1db4987aeed3206c0df270d/FLAG3627af125 [2024-12-06 03:47:15,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/60e7c2e50/e0e2ade9e1db4987aeed3206c0df270d [2024-12-06 03:47:15,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:47:15,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:47:15,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:15,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:47:15,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:47:15,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a021bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15, skipping insertion in model container [2024-12-06 03:47:15,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:47:15,314 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-12-06 03:47:15,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:15,340 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:47:15,351 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-12-06 03:47:15,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:15,371 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:47:15,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15 WrapperNode [2024-12-06 03:47:15,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:15,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:15,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:47:15,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:47:15,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,395 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 03:47:15,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:15,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:47:15,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:47:15,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:47:15,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,405 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:47:15,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:47:15,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:47:15,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:47:15,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:47:15,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:47:15,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:47:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:47:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:47:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:47:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:47:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:47:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:47:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:47:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:47:15,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:47:15,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:47:15,637 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:47:15,637 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:47:15,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:47:15,663 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 03:47:15,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:15 BoogieIcfgContainer [2024-12-06 03:47:15,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:47:15,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:47:15,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:47:15,671 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:47:15,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:15" (1/1) ... [2024-12-06 03:47:15,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:47:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 03:47:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 03:47:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:47:15,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:15,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:47:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:15,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:47:15,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 03:47:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-06 03:47:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 03:47:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:47:16,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:47:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:47:26,208 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 03:47:26,211 INFO L158 Benchmark]: Toolchain (without parser) took 11005.66ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 61.1MB in the end (delta: 56.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:47:26,211 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:26,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.43ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:47:26,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:47:26,212 INFO L158 Benchmark]: Boogie Preprocessor took 14.90ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 888.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:26,213 INFO L158 Benchmark]: RCFGBuilder took 252.00ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 91.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:47:26,213 INFO L158 Benchmark]: CodeCheck took 10546.87ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 61.1MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:47:26,215 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 0.27ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.43ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.90ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 888.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.00ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 91.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10546.87ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 61.1MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:47:26,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:47:28,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:47:28,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:47:28,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:47:28,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:47:28,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:47:28,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:47:28,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:47:28,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:47:28,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:47:28,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:47:28,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:28,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:47:28,221 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:47:28,222 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:28,222 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:47:28,222 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/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 -> 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 [2024-12-06 03:47:28,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:47:28,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:47:28,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:47:28,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:47:28,471 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:47:28,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-12-06 03:47:31,102 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/ed6b857bf/7b25c23a359942d0a609ffbe079a0fe3/FLAG6d4b4b097 [2024-12-06 03:47:31,277 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:47:31,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-12-06 03:47:31,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/ed6b857bf/7b25c23a359942d0a609ffbe079a0fe3/FLAG6d4b4b097 [2024-12-06 03:47:31,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/data/ed6b857bf/7b25c23a359942d0a609ffbe079a0fe3 [2024-12-06 03:47:31,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:47:31,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:47:31,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:31,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:47:31,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:47:31,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a48c2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31, skipping insertion in model container [2024-12-06 03:47:31,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:47:31,798 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-12-06 03:47:31,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:31,826 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:47:31,836 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_b63517d9-12e5-4956-aaa8-22d48e6d4afa/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-12-06 03:47:31,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:31,854 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:47:31,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31 WrapperNode [2024-12-06 03:47:31,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:31,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:31,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:47:31,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:47:31,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,876 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 03:47:31,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:31,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:47:31,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:47:31,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:47:31,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:47:31,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:47:31,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:47:31,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:47:31,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:31" (1/1) ... [2024-12-06 03:47:31,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:31,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:47:31,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:47:31,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:47:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:47:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:47:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:47:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:47:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:47:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:47:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:47:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:47:32,001 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:47:32,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:47:32,140 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:47:32,140 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:47:32,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:47:32,173 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 03:47:32,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:32 BoogieIcfgContainer [2024-12-06 03:47:32,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:47:32,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:47:32,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:47:32,181 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:47:32,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:32" (1/1) ... [2024-12-06 03:47:32,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:47:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 03:47:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 03:47:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:47:32,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:32,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:32,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:32,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:32,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:47:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:32,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:33,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:47:33,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 03:47:33,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:47:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 49 transitions. [2024-12-06 03:47:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 03:47:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:47:34,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:34,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:34,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:47:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:34,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:34,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 03:47:34,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 03:47:35,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:47:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 64 transitions. [2024-12-06 03:47:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-06 03:47:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:47:37,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:37,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:37,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:47:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:37,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:37,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:47:37,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 03:47:39,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:47:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 67 transitions. [2024-12-06 03:47:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-12-06 03:47:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 03:47:40,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:40,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:40,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:40,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:40,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:47:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:40,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:40,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:47:40,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 03:47:40,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:47:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 69 transitions. [2024-12-06 03:47:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2024-12-06 03:47:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:47:41,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:41,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:41,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:47:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:41,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:41,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:47:41,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 03:47:42,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:47:54,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:47:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 73 transitions. [2024-12-06 03:47:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-12-06 03:47:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:47:54,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:54,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:47:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:47:54,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:47:54,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:47:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:54,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:47:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:56,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 03:47:56,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:47:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 03:47:57,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:48:02,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:12,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 79 transitions. [2024-12-06 03:48:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2024-12-06 03:48:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 03:48:17,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:17,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:17,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:48:17,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:48:17,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:48:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:17,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:48:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:17,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:48:17,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:48:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 03:48:18,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:48:28,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:39,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:52,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:48:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 82 transitions. [2024-12-06 03:48:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-12-06 03:48:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 03:48:52,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:52,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:52,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:48:52,420 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:48:52,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:48:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:52,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:48:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:53,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 03:48:53,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:48:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:48:53,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:48:55,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:05,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:06,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:16,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 45 states and 88 transitions. [2024-12-06 03:49:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2024-12-06 03:49:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 03:49:17,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:17,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:17,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:17,607 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:17,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:49:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:17,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:18,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 03:49:18,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:49:20,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:49:29,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:39,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:49:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 93 transitions. [2024-12-06 03:49:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2024-12-06 03:49:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:49:46,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:46,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:46,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:46,037 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:46,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:49:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:49:46,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 03:49:48,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:49:53,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:06,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:17,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:50:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 49 states and 98 transitions. [2024-12-06 03:50:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-12-06 03:50:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:50:18,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:50:18,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:50:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:50:18,409 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:50:18,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:50:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:18,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:50:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:19,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 03:50:19,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:50:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 03:50:26,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:50:31,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:43,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:56,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 103 transitions. [2024-12-06 03:51:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2024-12-06 03:51:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:51:06,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:06,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:06,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:06,342 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:51:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:06,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:07,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:51:07,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 03:51:12,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:51:35,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 108 transitions. [2024-12-06 03:51:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 108 transitions. [2024-12-06 03:51:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:51:45,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:45,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:45,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:45,651 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:45,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:51:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:51:45,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:51:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 03:51:47,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:51:52,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 56 states and 115 transitions. [2024-12-06 03:51:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 115 transitions. [2024-12-06 03:51:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:51:57,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:57,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:51:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:51:57,711 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:51:57,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:51:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:57,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:51:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:58,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:51:58,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 03:52:00,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:52:21,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:33,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 58 states and 120 transitions. [2024-12-06 03:52:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 120 transitions. [2024-12-06 03:52:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:52:34,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:34,162 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:34,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:52:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:34,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:34,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 03:52:34,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 03:52:38,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:53:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 63 states and 130 transitions. [2024-12-06 03:53:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 130 transitions. [2024-12-06 03:53:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:53:01,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:01,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:01,700 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:01,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:53:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:02,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:03,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:53:03,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 03:53:21,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:53:29,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:44,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:47,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:57,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 65 states and 135 transitions. [2024-12-06 03:54:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 135 transitions. [2024-12-06 03:54:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:54:05,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:05,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:05,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:05,131 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:05,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:54:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:05,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:05,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:54:05,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 03:54:16,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:54:23,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:38,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:50,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 67 states and 140 transitions. [2024-12-06 03:55:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2024-12-06 03:55:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:55:01,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:01,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:01,179 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:01,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:55:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:01,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:02,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 03:55:02,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 27 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-06 03:55:09,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:55:44,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 69 states and 145 transitions. [2024-12-06 03:56:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2024-12-06 03:56:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 03:56:02,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:02,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:02,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:56:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:02,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:02,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:56:02,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 03:56:02,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:56:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 69 states and 144 transitions. [2024-12-06 03:56:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 144 transitions. [2024-12-06 03:56:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 03:56:04,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:04,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:04,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:04,214 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:04,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:56:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:04,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:04,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:56:04,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 03:56:04,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:56:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 69 states and 143 transitions. [2024-12-06 03:56:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2024-12-06 03:56:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:56:06,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:06,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:06,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:06,117 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:06,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:56:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:06,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:07,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 03:56:07,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 03:56:28,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:56:52,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:10,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:32,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:35,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 71 states and 149 transitions. [2024-12-06 03:58:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2024-12-06 03:58:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:58:00,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:00,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:00,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:58:00,558 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:58:00,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:58:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:00,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:58:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:00,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:58:00,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:58:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 03:58:05,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-12-06 03:58:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 79 states and 163 transitions. [2024-12-06 03:58:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 163 transitions. [2024-12-06 03:58:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:58:28,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:28,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:28,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:58:28,967 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:58:28,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:58:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:29,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:58:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:29,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 03:58:29,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:58:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 03:58:35,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:59:08,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:20,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 81 states and 168 transitions. [2024-12-06 03:59:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2024-12-06 03:59:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:59:22,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:22,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:22,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:22,132 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:22,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:59:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:22,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:22,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:59:22,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 03:59:36,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-12-06 04:00:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 84 states and 175 transitions. [2024-12-06 04:00:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 175 transitions. [2024-12-06 04:00:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 04:00:24,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:24,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:00:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:00:24,212 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:00:24,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:00:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:24,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:00:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:26,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 04:00:26,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:00:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 04:00:49,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-12-06 04:01:02,190 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 77 DAG size of output: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:01:25,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:27,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:38,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:01:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 86 states and 180 transitions. [2024-12-06 04:01:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 180 transitions. [2024-12-06 04:01:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 04:01:54,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:01:54,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:01:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:01:54,374 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:01:54,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:01:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:54,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:01:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:54,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 04:01:54,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 04:02:20,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63517d9-12e5-4956-aaa8-22d48e6d4afa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0