./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:18,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:18,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:10:18,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:10:18,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:10:18,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:18,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:18,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:18,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:18,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:18,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:18,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:18,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:18,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:18,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:18,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:10:18,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:10:18,958 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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 -> 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 [2024-12-05 23:10:19,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:19,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:19,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:19,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:19,226 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:19,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-12-05 23:10:21,862 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/6ac9aa1e7/4685716a59bf47ea9c8351df8c6d4acb/FLAG627471aa2 [2024-12-05 23:10:22,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:22,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-12-05 23:10:22,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/6ac9aa1e7/4685716a59bf47ea9c8351df8c6d4acb/FLAG627471aa2 [2024-12-05 23:10:22,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/6ac9aa1e7/4685716a59bf47ea9c8351df8c6d4acb [2024-12-05 23:10:22,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:22,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:22,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:22,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:22,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:22,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22, skipping insertion in model container [2024-12-05 23:10:22,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:22,195 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-12-05 23:10:22,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:22,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:22,226 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-12-05 23:10:22,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:22,244 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:22,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22 WrapperNode [2024-12-05 23:10:22,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:22,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:22,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:22,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:22,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,266 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-05 23:10:22,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:22,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:22,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:22,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:22,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:22,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:22,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:22,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:22,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:22,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:22,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:10:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:10:22,376 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:22,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:22,514 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:10:22,514 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:22,555 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:10:22,555 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:10:22,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:22 BoogieIcfgContainer [2024-12-05 23:10:22,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:10:22,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:10:22,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:10:22,564 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:10:22,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:22" (1/1) ... [2024-12-05 23:10:22,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:10:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-05 23:10:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 23:10:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:10:22,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-05 23:10:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-05 23:10:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:10:22,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:22,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-05 23:10:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-05 23:10:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:10:22,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 23:10:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 23:10:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:10:23,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:23,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-12-05 23:10:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-05 23:10:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:10:23,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:23,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:10:23,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:10:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-12-05 23:10:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-12-05 23:10:24,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:10:24,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:24,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:24,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:10:24,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:10:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-12-05 23:10:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-05 23:10:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:10:25,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:10:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-12-05 23:10:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-12-05 23:10:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:10:27,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:10:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-12-05 23:10:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-12-05 23:10:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:10:27,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:11:00,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:11:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 122 transitions. [2024-12-05 23:11:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2024-12-05 23:11:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:11:03,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:11:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 130 transitions. [2024-12-05 23:11:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2024-12-05 23:11:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:11:05,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:11:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2024-12-05 23:11:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-05 23:11:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:11:06,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:06,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:11:06,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:11:21,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:11:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 69 states and 151 transitions. [2024-12-05 23:11:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-12-05 23:11:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:11:21,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:22,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:11:22,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:11:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 73 states and 159 transitions. [2024-12-05 23:11:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 159 transitions. [2024-12-05 23:11:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:11:24,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:24,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:11:24,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:11:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 160 transitions. [2024-12-05 23:11:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2024-12-05 23:11:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:11:25,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:25,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:25,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:11:25,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:11:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 78 states and 171 transitions. [2024-12-05 23:11:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 171 transitions. [2024-12-05 23:11:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:11:26,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:11:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 83 states and 184 transitions. [2024-12-05 23:11:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2024-12-05 23:11:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:11:42,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:42,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:11:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 205 transitions. [2024-12-05 23:11:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 205 transitions. [2024-12-05 23:11:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:11:47,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:47,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:47,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:11:47,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:12:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 101 states and 237 transitions. [2024-12-05 23:12:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 237 transitions. [2024-12-05 23:12:15,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:12:15,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:12:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:16,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:12:16,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:43,008 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:12:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 23:13:21,373 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:13:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 103 states and 238 transitions. [2024-12-05 23:13:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 238 transitions. [2024-12-05 23:13:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:13:21,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:13:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 109 states and 261 transitions. [2024-12-05 23:13:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 261 transitions. [2024-12-05 23:13:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:13:27,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:13:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 109 states and 260 transitions. [2024-12-05 23:13:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 260 transitions. [2024-12-05 23:13:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:13:28,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-05 23:13:39,125 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:13:51,105 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:02,578 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:13,951 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:26,151 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:38,060 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 113 states and 274 transitions. [2024-12-05 23:14:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 274 transitions. [2024-12-05 23:14:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:14:38,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 23:14:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 115 states and 279 transitions. [2024-12-05 23:14:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 279 transitions. [2024-12-05 23:14:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:14:42,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 23:14:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 117 states and 281 transitions. [2024-12-05 23:14:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 281 transitions. [2024-12-05 23:14:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:14:43,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:14:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:43,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:14:43,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:14:56,181 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:15:07,751 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:15:25,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:15:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 123 states and 305 transitions. [2024-12-05 23:15:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 305 transitions. [2024-12-05 23:15:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:15:25,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:25,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:15:25,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:15:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 125 states and 309 transitions. [2024-12-05 23:15:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 309 transitions. [2024-12-05 23:15:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:15:27,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:27,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:27,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:15:27,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:15:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 127 states and 312 transitions. [2024-12-05 23:15:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 312 transitions. [2024-12-05 23:15:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:15:30,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:30,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:31,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:15:31,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 23 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:15:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 129 states and 318 transitions. [2024-12-05 23:15:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 318 transitions. [2024-12-05 23:15:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:15:33,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:33,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 23:15:33,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 39 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 23:16:23,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:16:27,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:16:37,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:16:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 137 states and 340 transitions. [2024-12-05 23:16:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 340 transitions. [2024-12-05 23:16:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:16:37,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:37,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:16:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:16:47,700 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:16:47,703 INFO L158 Benchmark]: Toolchain (without parser) took 385638.43ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 25.4MB in the end (delta: 92.2MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-12-05 23:16:47,704 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:47,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.07ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:16:47,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:47,704 INFO L158 Benchmark]: Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.2MB in the end (delta: 782.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:47,704 INFO L158 Benchmark]: RCFGBuilder took 271.12ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 90.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:16:47,705 INFO L158 Benchmark]: CodeCheck took 385146.62ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 25.4MB in the end (delta: 64.7MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-12-05 23:16:47,706 INFO L338 ainManager$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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.07ms. Allocated memory is still 142.6MB. Free memory was 117.5MB 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 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.2MB in the end (delta: 782.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.12ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 90.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 385146.62ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 25.4MB in the end (delta: 64.7MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:16:47,911 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:16:47,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:16:49,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:16:49,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:16:49,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:16:49,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:16:49,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:16:49,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:16:49,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:16:49,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:16:49,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:16:49,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:16:49,703 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:16:49,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:16:49,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:49,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:16:49,704 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/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 -> 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 [2024-12-05 23:16:49,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:16:49,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:16:49,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:16:49,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:16:49,957 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:16:49,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-12-05 23:16:52,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/7fa7f318d/39b6698cc05e49e6aa84b3811cf2e637/FLAG8f0422ee6 [2024-12-05 23:16:52,876 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:16:52,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-12-05 23:16:52,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/7fa7f318d/39b6698cc05e49e6aa84b3811cf2e637/FLAG8f0422ee6 [2024-12-05 23:16:52,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/data/7fa7f318d/39b6698cc05e49e6aa84b3811cf2e637 [2024-12-05 23:16:52,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:16:52,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:16:52,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:16:52,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:16:52,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:16:52,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:52" (1/1) ... [2024-12-05 23:16:52,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa66d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:52, skipping insertion in model container [2024-12-05 23:16:52,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:52" (1/1) ... [2024-12-05 23:16:52,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:16:53,030 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-12-05 23:16:53,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:16:53,057 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:16:53,068 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_0d35e825-1c10-47be-86ab-7d97c7ceb13f/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-12-05 23:16:53,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:16:53,087 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:16:53,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53 WrapperNode [2024-12-05 23:16:53,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:16:53,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:16:53,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:16:53,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:16:53,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,113 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-05 23:16:53,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:16:53,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:16:53,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:16:53,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:16:53,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:16:53,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:16:53,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:16:53,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:16:53,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:16:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:16:53,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:16:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:16:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:16:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:16:53,239 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:16:53,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:16:53,375 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:16:53,375 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:16:53,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:16:53,420 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:16:53,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:53 BoogieIcfgContainer [2024-12-05 23:16:53,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:16:53,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:16:53,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:16:53,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:16:53,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:53" (1/1) ... [2024-12-05 23:16:53,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:16:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-05 23:16:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 23:16:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:16:53,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:53,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:53,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:53,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:16:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:16:53,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:53,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:16:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-05 23:16:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-05 23:16:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:16:53,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:53,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:53,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:53,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:53,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:16:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:16:53,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:53,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:16:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-05 23:16:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-05 23:16:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:16:53,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:53,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:53,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:53,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:53,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:16:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:53,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:16:53,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:54,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:16:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 23:16:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 23:16:54,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:16:54,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:54,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:54,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:16:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:54,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:54,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:16:54,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:54,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:16:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-05 23:16:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-05 23:16:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:16:54,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:54,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:54,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:54,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:54,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:16:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:54,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:54,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:16:54,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:16:55,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:16:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-12-05 23:16:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-12-05 23:16:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:16:56,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:56,324 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:56,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:16:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:56,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:56,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:16:56,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:16:56,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:16:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-12-05 23:16:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-12-05 23:16:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:16:56,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:56,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:56,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:56,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:56,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:16:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:56,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:57,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:16:57,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:16:57,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:16:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2024-12-05 23:16:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2024-12-05 23:16:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:16:58,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:58,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:58,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:58,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:16:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:59,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:59,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:16:59,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:16:59,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:16:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 136 transitions. [2024-12-05 23:16:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2024-12-05 23:16:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:16:59,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:59,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:59,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:59,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:59,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:16:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:59,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:59,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:16:59,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:17:00,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:17:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-12-05 23:17:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-12-05 23:17:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:17:07,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:07,752 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:07,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:17:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:07,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:07,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:17:07,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:17:07,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:17:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 151 transitions. [2024-12-05 23:17:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 151 transitions. [2024-12-05 23:17:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:17:08,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:08,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:08,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:08,474 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:08,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:17:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:08,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:08,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:17:08,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 23:17:08,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:17:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 175 transitions. [2024-12-05 23:17:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 175 transitions. [2024-12-05 23:17:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:17:13,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:13,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:13,197 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:13,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:17:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:13,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:13,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:17:13,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:17:13,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 23:17:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2024-12-05 23:17:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2024-12-05 23:17:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:17:14,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:14,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:14,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:14,898 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:17:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:14,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:14,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:17:14,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:17:15,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:17:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2024-12-05 23:17:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2024-12-05 23:17:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:17:19,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:19,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:19,511 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:19,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:17:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:19,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:19,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:17:19,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:17:19,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:17:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 82 states and 213 transitions. [2024-12-05 23:17:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 213 transitions. [2024-12-05 23:17:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:17:21,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:21,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:21,024 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:21,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:17:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:21,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:21,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:17:21,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 23:17:21,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:17:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 84 states and 219 transitions. [2024-12-05 23:17:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 219 transitions. [2024-12-05 23:17:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:17:21,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:21,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:21,832 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:21,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:17:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:21,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:22,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:17:22,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:17:22,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:17:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 94 states and 289 transitions. [2024-12-05 23:17:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 289 transitions. [2024-12-05 23:17:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:17:27,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:27,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:27,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:27,948 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:27,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:17:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:27,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:28,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:17:28,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 23:17:28,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:17:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 97 states and 298 transitions. [2024-12-05 23:17:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 298 transitions. [2024-12-05 23:17:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:17:37,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:37,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:37,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:37,340 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:37,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:17:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:37,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:37,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:17:37,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:17:37,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:17:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 99 states and 304 transitions. [2024-12-05 23:17:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 304 transitions. [2024-12-05 23:17:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:17:43,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:43,645 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:43,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:17:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:43,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:43,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:17:43,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 23:17:43,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:17:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 101 states and 305 transitions. [2024-12-05 23:17:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 305 transitions. [2024-12-05 23:17:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:17:44,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:44,873 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:44,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:17:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:44,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:45,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:17:45,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 25 proven. 52 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 23:17:45,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:17:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 107 states and 337 transitions. [2024-12-05 23:17:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 337 transitions. [2024-12-05 23:17:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:17:52,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:52,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:52,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:52,608 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:52,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:17:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:52,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:52,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:17:52,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 40 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 23:17:54,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:18:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 121 states and 388 transitions. [2024-12-05 23:18:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 388 transitions. [2024-12-05 23:18:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:18:08,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:08,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:08,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:08,197 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:08,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:18:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:08,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:08,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:18:08,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:18:09,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:18:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 126 states and 401 transitions. [2024-12-05 23:18:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 401 transitions. [2024-12-05 23:18:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:18:16,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:16,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:16,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:16,101 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:16,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:18:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:16,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:16,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:18:16,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 23:18:17,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:18:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 129 states and 413 transitions. [2024-12-05 23:18:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 413 transitions. [2024-12-05 23:18:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:18:24,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:24,703 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:18:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:24,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:24,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:18:24,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 23:18:25,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:18:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 131 states and 422 transitions. [2024-12-05 23:18:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 422 transitions. [2024-12-05 23:18:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 23:18:26,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:26,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:26,275 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:26,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:18:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:26,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:26,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:18:26,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:18:27,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:18:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 141 states and 512 transitions. [2024-12-05 23:18:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 512 transitions. [2024-12-05 23:18:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:18:40,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:40,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:40,498 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:18:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:40,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:40,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:18:40,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-05 23:18:40,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:18:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 142 states and 513 transitions. [2024-12-05 23:18:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 513 transitions. [2024-12-05 23:18:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:18:44,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:44,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:44,968 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:44,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:18:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:45,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:45,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:18:45,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 23:18:45,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:18:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 144 states and 521 transitions. [2024-12-05 23:18:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 521 transitions. [2024-12-05 23:18:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:18:53,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:53,141 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:53,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:18:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:53,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:53,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:18:53,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-12-05 23:18:53,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:18:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 146 states and 522 transitions. [2024-12-05 23:18:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 522 transitions. [2024-12-05 23:18:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 23:18:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:55,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:18:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:18:55,281 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:18:55,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:18:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:55,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:18:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:55,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 23:18:55,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 69 proven. 37 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:18:57,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:19:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 149 states and 553 transitions. [2024-12-05 23:19:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 553 transitions. [2024-12-05 23:19:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 23:19:03,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:03,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:03,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:03,920 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:03,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:19:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:03,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:04,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:04,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 23:19:04,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:19:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 150 states and 554 transitions. [2024-12-05 23:19:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 554 transitions. [2024-12-05 23:19:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 23:19:08,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:08,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:08,652 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:08,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:19:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:08,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:08,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:19:08,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 23:19:09,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:19:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 156 states and 594 transitions. [2024-12-05 23:19:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 594 transitions. [2024-12-05 23:19:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-05 23:19:22,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:22,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:22,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:22,321 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:22,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:19:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:19:22,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 23:19:24,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 23:19:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 158 states and 599 transitions. [2024-12-05 23:19:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 599 transitions. [2024-12-05 23:19:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:19:29,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:29,521 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:29,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:19:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:19:29,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 23:19:32,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 23:19:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 172 states and 660 transitions. [2024-12-05 23:19:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 660 transitions. [2024-12-05 23:19:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:19:56,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:56,091 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:56,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:19:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:56,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:56,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:19:56,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:19:57,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:20:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 177 states and 675 transitions. [2024-12-05 23:20:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 675 transitions. [2024-12-05 23:20:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:20:07,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:07,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:07,537 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 23:20:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:07,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:07,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:20:07,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 23:20:10,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 23:20:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 180 states and 689 transitions. [2024-12-05 23:20:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 689 transitions. [2024-12-05 23:20:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:20:19,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:19,565 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:19,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 23:20:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:19,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:19,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:20:19,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:20:19,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:20:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 190 states and 803 transitions. [2024-12-05 23:20:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 803 transitions. [2024-12-05 23:20:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:20:41,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:41,879 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:41,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:20:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:42,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:42,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:20:42,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-12-05 23:20:42,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 23:20:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 192 states and 806 transitions. [2024-12-05 23:20:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 806 transitions. [2024-12-05 23:20:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-05 23:20:44,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:44,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:44,057 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:44,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:20:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:44,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:44,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:20:44,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:20:45,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 23:20:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 195 states and 817 transitions. [2024-12-05 23:20:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 817 transitions. [2024-12-05 23:20:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:20:52,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:52,824 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 23:20:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:52,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:52,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:20:52,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 57 proven. 47 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-05 23:20:53,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 23:20:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 196 states and 818 transitions. [2024-12-05 23:20:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 818 transitions. [2024-12-05 23:20:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:20:58,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:58,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:58,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:58,598 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:58,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 23:20:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:58,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:58,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:20:58,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 23:20:58,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 23:21:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 198 states and 828 transitions. [2024-12-05 23:21:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 828 transitions. [2024-12-05 23:21:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:21:09,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:09,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:09,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:09,712 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 23:21:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:09,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:09,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:09,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-05 23:21:09,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 23:21:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 200 states and 829 transitions. [2024-12-05 23:21:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 829 transitions. [2024-12-05 23:21:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 23:21:12,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:12,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:12,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:12,788 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:12,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 23:21:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:12,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:12,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:12,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 38 proven. 5 refuted. 6 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 23:24:09,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d35e825-1c10-47be-86ab-7d97c7ceb13f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0