./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:20:00,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:20:00,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:20:00,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:20:00,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:20:00,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:20:00,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:20:00,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:20:00,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:20:00,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:20:00,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:20:00,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:20:00,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:20:00,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:20:00,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:20:00,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:20:00,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:20:00,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:20:00,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:20:00,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:20:00,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:20:00,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:20:00,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:00,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:20:00,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:20:00,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:20:00,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:20:00,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:20:00,204 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:20:00,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:20:00,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:20:00,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:20:00,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:20:00,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:20:00,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c Unable to find full path for "g++" [2024-11-13 23:20:02,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:20:02,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:20:02,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-11-13 23:20:02,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/525b31445/898888710b574dd3853bb0cfa1ac0d27/FLAG4b0c58343 [2024-11-13 23:20:02,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/525b31445/898888710b574dd3853bb0cfa1ac0d27 [2024-11-13 23:20:02,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:20:02,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:20:02,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:02,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:20:02,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:20:02,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:02" (1/1) ... [2024-11-13 23:20:02,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:02, skipping insertion in model container [2024-11-13 23:20:02,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:02" (1/1) ... [2024-11-13 23:20:02,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:20:03,091 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-11-13 23:20:03,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:03,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:20:03,129 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-11-13 23:20:03,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:03,153 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:20:03,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03 WrapperNode [2024-11-13 23:20:03,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:03,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:03,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:20:03,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:20:03,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,194 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 23:20:03,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:03,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:20:03,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:20:03,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:20:03,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:20:03,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:20:03,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:20:03,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:20:03,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:03,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:20:03,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:20:03,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:20:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:20:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:20:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:20:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:20:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:20:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:20:03,370 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:20:03,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:20:03,543 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:20:03,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:20:03,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:20:03,621 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:20:03,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:03 BoogieIcfgContainer [2024-11-13 23:20:03,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:20:03,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:20:03,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:20:03,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:20:03,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:03" (1/1) ... [2024-11-13 23:20:03,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:20:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 23:20:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 23:20:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:20:03,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 23:20:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 23:20:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:20:03,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:03,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 23:20:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 23:20:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:20:04,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:04,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 23:20:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 23:20:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:20:04,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:04,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 23:20:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 23:20:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:20:05,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:05,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:05,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:20:05,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:20:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 23:20:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 23:20:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:20:06,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:20:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 23:20:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 23:20:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:20:08,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:08,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:08,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:20:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2024-11-13 23:20:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2024-11-13 23:20:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:20:09,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:09,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:20:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2024-11-13 23:20:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2024-11-13 23:20:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:20:10,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 23:20:32,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:20:42,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:21:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:04,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 117 transitions. [2024-11-13 23:21:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2024-11-13 23:21:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:21:04,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:04,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 23:21:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 125 transitions. [2024-11-13 23:21:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2024-11-13 23:21:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:21:05,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:05,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:06,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:21:06,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:21:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 143 transitions. [2024-11-13 23:21:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2024-11-13 23:21:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:21:09,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:09,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:21:09,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:21:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 152 transitions. [2024-11-13 23:21:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 152 transitions. [2024-11-13 23:21:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:21:11,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:11,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:21:11,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:21:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 74 states and 163 transitions. [2024-11-13 23:21:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2024-11-13 23:21:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:21:12,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:12,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:21:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 79 states and 180 transitions. [2024-11-13 23:21:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 180 transitions. [2024-11-13 23:21:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:21:15,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:21:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 84 states and 194 transitions. [2024-11-13 23:21:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 194 transitions. [2024-11-13 23:21:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:21:19,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:21:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 91 states and 216 transitions. [2024-11-13 23:21:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 216 transitions. [2024-11-13 23:21:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:26,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:26,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:26,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:21:26,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:21:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 93 states and 220 transitions. [2024-11-13 23:21:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 220 transitions. [2024-11-13 23:21:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:27,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:21:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 97 states and 235 transitions. [2024-11-13 23:21:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 235 transitions. [2024-11-13 23:21:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:29,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:29,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:21:29,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:21:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 100 states and 243 transitions. [2024-11-13 23:21:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 243 transitions. [2024-11-13 23:21:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:30,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:30,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:30,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 23:21:30,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:23:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 110 states and 276 transitions. [2024-11-13 23:23:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 276 transitions. [2024-11-13 23:23:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:47,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:23:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 113 states and 282 transitions. [2024-11-13 23:23:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 282 transitions. [2024-11-13 23:23:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:48,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:23:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:48,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:23:48,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:23:50,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 115 states and 283 transitions. [2024-11-13 23:23:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 283 transitions. [2024-11-13 23:23:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:23:50,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:50,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:23:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 117 states and 294 transitions. [2024-11-13 23:23:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 294 transitions. [2024-11-13 23:23:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:23:51,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 23:24:29,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:25:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 120 states and 301 transitions. [2024-11-13 23:25:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 301 transitions. [2024-11-13 23:25:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:25:26,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 23:25:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 122 states and 303 transitions. [2024-11-13 23:25:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 303 transitions. [2024-11-13 23:25:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:25:28,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:28,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:25:28,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 23:25:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 128 states and 327 transitions. [2024-11-13 23:25:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 327 transitions. [2024-11-13 23:25:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:25:44,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:44,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:25:44,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 23:25:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 130 states and 328 transitions. [2024-11-13 23:25:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 328 transitions. [2024-11-13 23:25:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:25:46,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:46,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:25:46,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 23:25:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 132 states and 335 transitions. [2024-11-13 23:25:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 335 transitions. [2024-11-13 23:25:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:25:47,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:47,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:48,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:25:48,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 23:25:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 135 states and 339 transitions. [2024-11-13 23:25:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 339 transitions. [2024-11-13 23:25:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:25:50,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 23:25:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 140 states and 362 transitions. [2024-11-13 23:25:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 362 transitions. [2024-11-13 23:25:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:25:56,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:26:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:04,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 23:26:04,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 23:27:54,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:28:07,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:28:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 154 states and 405 transitions. [2024-11-13 23:28:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 405 transitions. [2024-11-13 23:28:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:28:07,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:07,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:28:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:28:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:28:12,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 23:28:33,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:28:50,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:29:01,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:29:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 159 states and 421 transitions. [2024-11-13 23:29:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 421 transitions. [2024-11-13 23:29:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:29:01,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:01,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:29:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 23:29:07,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 23:29:40,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:29:44,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:29:47,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:29:58,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:30:08,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:30:18,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:30:28,550 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 [] [2024-11-13 23:30:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 165 states and 433 transitions. [2024-11-13 23:30:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 433 transitions. [2024-11-13 23:30:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:30:45,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:45,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:30:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:30:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:30:55,511 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) [2024-11-13 23:30:55,515 INFO L158 Benchmark]: Toolchain (without parser) took 652605.12ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 92.4MB in the beginning and 189.5MB in the end (delta: -97.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-13 23:30:55,515 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:30:55,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.31ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:30:55,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:30:55,516 INFO L158 Benchmark]: Boogie Preprocessor took 30.54ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.1MB in the end (delta: 685.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:30:55,517 INFO L158 Benchmark]: RCFGBuilder took 395.31ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 65.5MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:30:55,517 INFO L158 Benchmark]: CodeCheck took 651890.99ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 65.5MB in the beginning and 189.5MB in the end (delta: -124.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-13 23:30:55,519 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.31ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.96ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.54ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.1MB in the end (delta: 685.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.31ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 65.5MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 651890.99ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 65.5MB in the beginning and 189.5MB in the end (delta: -124.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:30:55,728 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 23:30:55,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:30:58,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:30:58,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:30:58,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:30:58,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:30:58,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:30:58,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:30:58,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:30:58,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:30:58,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:30:58,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:30:58,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:30:58,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:30:58,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:30:58,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:30:58,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:30:58,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:30:58,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:30:58,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:30:58,474 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:30:58,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:58,474 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:30:58,474 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:30:58,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:30:58,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:30:58,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:30:58,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:30:58,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:30:58,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c Unable to find full path for "g++" [2024-11-13 23:31:00,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:31:01,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:31:01,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2024-11-13 23:31:01,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/41392c12e/9c80548b461746a195c22e17621b9c5c/FLAGc08a50ad0 [2024-11-13 23:31:01,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/data/41392c12e/9c80548b461746a195c22e17621b9c5c [2024-11-13 23:31:01,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:31:01,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:31:01,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:01,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:31:01,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:31:01,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38faf277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01, skipping insertion in model container [2024-11-13 23:31:01,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:31:01,422 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-11-13 23:31:01,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:01,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:31:01,481 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_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c[537,550] [2024-11-13 23:31:01,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:01,520 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:31:01,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01 WrapperNode [2024-11-13 23:31:01,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:01,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:01,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:31:01,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:31:01,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,563 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 23:31:01,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:01,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:31:01,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:31:01,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:31:01,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:31:01,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:31:01,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:31:01,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:31:01,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:01" (1/1) ... [2024-11-13 23:31:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:31:01,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:31:01,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:31:01,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:31:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:31:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:31:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:31:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:31:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:31:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:31:01,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:31:01,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:31:01,946 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:31:01,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:31:02,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:31:02,033 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:31:02,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:02 BoogieIcfgContainer [2024-11-13 23:31:02,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:31:02,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:31:02,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:31:02,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:31:02,047 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:02" (1/1) ... [2024-11-13 23:31:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 23:31:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 23:31:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:31:02,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:02,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:02,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:02,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:02,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:31:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:31:02,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:02,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 23:31:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 23:31:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:31:02,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:02,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:02,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:02,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:02,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:31:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:31:02,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:02,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 23:31:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 23:31:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:31:02,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:02,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:02,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:02,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:02,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:31:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:31:02,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:02,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 23:31:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 23:31:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:03,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:03,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:03,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:03,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:03,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:31:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:03,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:03,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:31:03,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:03,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:31:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-13 23:31:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-13 23:31:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:31:04,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:04,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:04,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:04,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:04,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:31:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:04,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:04,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:31:04,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:04,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:31:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 23:31:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 23:31:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:31:06,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:06,400 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:06,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:31:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:06,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:06,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:31:06,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:31:06,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:31:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-11-13 23:31:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-11-13 23:31:09,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:31:09,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:09,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:09,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:09,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:09,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:31:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:09,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:09,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:31:09,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:31:09,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-13 23:31:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-13 23:31:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:31:11,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:11,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:11,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:11,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:11,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:31:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:11,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:11,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:31:11,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:31:11,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 134 transitions. [2024-11-13 23:31:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2024-11-13 23:31:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:31:12,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:12,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:12,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:12,162 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:12,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:31:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:12,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:12,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:31:12,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:31:13,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:31:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-11-13 23:31:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-11-13 23:31:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:31:23,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:23,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:23,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:23,010 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:23,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:31:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:31:23,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:31:23,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-13 23:31:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-13 23:31:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:31:23,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:23,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:23,962 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:31:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:24,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:24,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:31:24,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:31:24,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 172 transitions. [2024-11-13 23:31:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2024-11-13 23:31:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:31:30,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:30,591 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:30,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:31:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:30,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:30,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:31:30,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:31:30,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 187 transitions. [2024-11-13 23:31:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-13 23:31:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:31:32,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:32,859 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:32,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:31:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:32,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:32,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:31:32,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:31:33,195 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:31:33,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:31:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2024-11-13 23:31:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2024-11-13 23:31:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:31:39,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:39,098 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:39,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:31:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:39,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:39,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:31:39,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:31:39,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:31:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 211 transitions. [2024-11-13 23:31:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 211 transitions. [2024-11-13 23:31:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:31:41,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:41,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:41,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:41,443 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:41,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:31:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:41,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:41,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:31:41,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 23:31:41,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 84 states and 218 transitions. [2024-11-13 23:31:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 218 transitions. [2024-11-13 23:31:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:31:42,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:42,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:42,609 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:42,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:31:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:42,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:42,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:42,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:31:43,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:31:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 94 states and 285 transitions. [2024-11-13 23:31:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 285 transitions. [2024-11-13 23:31:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:31:49,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:49,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:49,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:49,988 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:31:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:50,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:50,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:31:50,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 23:31:50,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 97 states and 294 transitions. [2024-11-13 23:31:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 294 transitions. [2024-11-13 23:31:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:31:51,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:51,935 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:51,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:31:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:52,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:52,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:52,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:31:52,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 99 states and 301 transitions. [2024-11-13 23:31:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 301 transitions. [2024-11-13 23:31:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:31:54,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:54,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:54,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:54,603 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:54,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:31:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:54,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:54,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:31:54,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 23:31:54,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 102 states and 307 transitions. [2024-11-13 23:32:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 307 transitions. [2024-11-13 23:32:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:32:03,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:03,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:03,092 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:03,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:32:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:03,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:03,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:32:03,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 23:32:03,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:32:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 104 states and 308 transitions. [2024-11-13 23:32:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 308 transitions. [2024-11-13 23:32:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:32:04,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:04,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:04,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:04,598 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:04,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:32:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:04,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:04,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:32:04,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 23:32:05,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:32:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 110 states and 339 transitions. [2024-11-13 23:32:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 339 transitions. [2024-11-13 23:32:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:32:14,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:14,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:14,842 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:14,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:32:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:14,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:15,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:32:15,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:32:16,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:32:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 115 states and 357 transitions. [2024-11-13 23:32:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 357 transitions. [2024-11-13 23:32:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:32:31,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:31,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:31,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:31,395 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:31,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:32:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:31,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:31,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:32:31,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 25 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 23:32:34,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:33:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 133 states and 413 transitions. [2024-11-13 23:33:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 413 transitions. [2024-11-13 23:33:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:33:01,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:01,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:01,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:01,496 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:01,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:33:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:01,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:01,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:33:01,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 23:33:04,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:33:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 136 states and 427 transitions. [2024-11-13 23:33:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 427 transitions. [2024-11-13 23:33:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:33:13,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:13,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:13,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:13,431 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:13,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:33:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:13,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:13,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:33:13,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 23:33:13,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 138 states and 437 transitions. [2024-11-13 23:33:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 437 transitions. [2024-11-13 23:33:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:33:15,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:15,612 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:15,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:33:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:15,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:15,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:33:15,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:33:16,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 146 states and 506 transitions. [2024-11-13 23:33:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 506 transitions. [2024-11-13 23:33:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:33:27,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:27,902 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:27,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:33:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:28,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:28,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:33:28,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 23:33:28,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 149 states and 515 transitions. [2024-11-13 23:33:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 515 transitions. [2024-11-13 23:33:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 23:33:33,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:33,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:33,603 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:33:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:33,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:33,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:33:33,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:33:34,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 151 states and 526 transitions. [2024-11-13 23:33:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 526 transitions. [2024-11-13 23:33:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:33:40,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:40,204 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:40,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:33:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:40,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:40,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:33:40,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-13 23:33:40,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 23:33:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 154 states and 532 transitions. [2024-11-13 23:33:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 532 transitions. [2024-11-13 23:33:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:33:53,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:53,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:53,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:53,238 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:53,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:33:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:53,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:53,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:33:53,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 23:33:53,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:33:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 156 states and 533 transitions. [2024-11-13 23:33:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 533 transitions. [2024-11-13 23:33:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:33:56,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:56,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:56,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:56,244 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:56,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:33:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:56,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:56,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:33:56,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 69 proven. 37 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 23:33:59,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 159 states and 565 transitions. [2024-11-13 23:34:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 565 transitions. [2024-11-13 23:34:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 23:34:08,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:08,077 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:08,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:34:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:08,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:08,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:34:08,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 23:34:08,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:34:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 160 states and 566 transitions. [2024-11-13 23:34:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 566 transitions. [2024-11-13 23:34:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 23:34:14,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:14,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:14,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:14,370 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:34:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:14,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:14,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:34:14,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 23:34:15,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:34:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 166 states and 605 transitions. [2024-11-13 23:34:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 605 transitions. [2024-11-13 23:34:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 23:34:31,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:31,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:31,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:31,482 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:31,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:34:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:31,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:31,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:34:31,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 23:34:33,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d37c3679-0fd9-4941-8d69-a0e7fa3e83fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0