./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.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_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/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_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/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_a668e857-2e81-4a8c-98fe-c14304cfeb66/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 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:17,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:17,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:01:17,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:01:17,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:01:17,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:17,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:17,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:17,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:17,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:17,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:17,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:17,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:01:17,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:17,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:17,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:17,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:17,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:17,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:17,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:17,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:17,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:17,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:17,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:01:17,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:01:17,515 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_a668e857-2e81-4a8c-98fe-c14304cfeb66/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 -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-11-13 22:01:17,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:17,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:17,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:17,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:17,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:17,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c Unable to find full path for "g++" [2024-11-13 22:01:19,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:20,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:20,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-13 22:01:20,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/d3dc223aa/5c1b7fa6789b409d8459c719707018c8/FLAG8031bb0c8 [2024-11-13 22:01:20,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/d3dc223aa/5c1b7fa6789b409d8459c719707018c8 [2024-11-13 22:01:20,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:20,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:20,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:20,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:20,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:20,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59def8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20, skipping insertion in model container [2024-11-13 22:01:20,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:20,245 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_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-13 22:01:20,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:20,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:20,297 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_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-13 22:01:20,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:20,329 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:20,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20 WrapperNode [2024-11-13 22:01:20,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:20,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:20,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:20,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:20,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,368 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 22:01:20,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:20,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:20,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:20,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:20,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:20,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:20,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:20,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:20,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:20,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:20,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:20,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:01:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:01:20,559 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:20,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:20,730 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:20,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:20,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:20,823 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:01:20,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:20 BoogieIcfgContainer [2024-11-13 22:01:20,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:20,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:20,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:20,835 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:20,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:20" (1/1) ... [2024-11-13 22:01:20,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 22:01:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 22:01:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:01:20,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,086 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 22:01:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:01:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:01:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:01:21,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,426 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 22:01:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 22:01:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 22:01:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:01:21,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,655 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 22:01:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:01:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:01:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:01:21,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:22,150 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 22:01:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 22:01:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 22:01:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:22,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:22,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:22,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:01:22,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:22,947 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 22:01:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 22:01:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 22:01:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:23,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:23,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:24,031 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 22:01:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 22:01:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 22:01:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:24,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:24,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:01:25,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:25,230 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 22:01:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2024-11-13 22:01:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2024-11-13 22:01:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:01:26,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:26,194 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 22:01:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2024-11-13 22:01:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2024-11-13 22:01:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:01:26,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:26,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:33,921 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 22:01:47,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:02:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 117 transitions. [2024-11-13 22:02:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2024-11-13 22:02:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:02:08,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:09,132 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 22:02:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 125 transitions. [2024-11-13 22:02:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2024-11-13 22:02:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:10,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:10,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:02:10,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:02:32,172 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 22:02:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 143 transitions. [2024-11-13 22:02:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2024-11-13 22:02:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:32,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:32,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:32,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:02:32,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:32,377 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 22:02:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 152 transitions. [2024-11-13 22:02:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 152 transitions. [2024-11-13 22:02:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:02:34,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:34,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:34,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:02:34,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:34,253 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 22:02:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 74 states and 163 transitions. [2024-11-13 22:02:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2024-11-13 22:02:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:02:35,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:35,500 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 22:02:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 79 states and 176 transitions. [2024-11-13 22:02:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 176 transitions. [2024-11-13 22:02:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:02:38,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:40,123 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 22:02:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 86 states and 196 transitions. [2024-11-13 22:02:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 196 transitions. [2024-11-13 22:02:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:02:46,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:46,516 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 22:02:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 92 states and 221 transitions. [2024-11-13 22:02:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 221 transitions. [2024-11-13 22:02:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:02:48,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:48,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:02:48,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:36,087 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 22:05:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 102 states and 260 transitions. [2024-11-13 22:05:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 260 transitions. [2024-11-13 22:05:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:46,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:46,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:46,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:05:46,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:47,166 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 22:05:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 106 states and 266 transitions. [2024-11-13 22:05:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 266 transitions. [2024-11-13 22:05:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:49,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:49,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:49,876 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 22:05:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 106 states and 265 transitions. [2024-11-13 22:05:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 265 transitions. [2024-11-13 22:05:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:50,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:50,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:50,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:05:50,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:50,927 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 22:05:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 107 states and 267 transitions. [2024-11-13 22:05:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 267 transitions. [2024-11-13 22:05:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:51,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:51,639 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 22:05:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 109 states and 272 transitions. [2024-11-13 22:05:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 272 transitions. [2024-11-13 22:05:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:52,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:52,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:52,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:05:52,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:53,422 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 22:07:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 111 states and 273 transitions. [2024-11-13 22:07:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 273 transitions. [2024-11-13 22:07:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:07:03,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:04,135 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 22:07:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 113 states and 285 transitions. [2024-11-13 22:07:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 285 transitions. [2024-11-13 22:07:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:07:05,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:05,626 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 22:07:17,210 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:07:27,991 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:07:39,243 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:08:07,263 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:08:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 116 states and 293 transitions. [2024-11-13 22:08:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 293 transitions. [2024-11-13 22:08:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:08:07,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:07,380 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 22:08:18,269 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:08:30,361 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:08:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 117 states and 296 transitions. [2024-11-13 22:08:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 296 transitions. [2024-11-13 22:08:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:08:30,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:30,535 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 22:08:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 119 states and 298 transitions. [2024-11-13 22:08:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 298 transitions. [2024-11-13 22:08:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:08:32,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:32,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:32,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:08:32,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:33,306 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 22:08:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 125 states and 319 transitions. [2024-11-13 22:08:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 319 transitions. [2024-11-13 22:08:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:08:40,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:40,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:08:40,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:40,899 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 22:08:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 127 states and 326 transitions. [2024-11-13 22:08:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 326 transitions. [2024-11-13 22:08:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:08:43,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:43,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:08:43,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:43,422 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 22:08:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 130 states and 331 transitions. [2024-11-13 22:08:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 331 transitions. [2024-11-13 22:08:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:08:47,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:47,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:47,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:08:47,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:47,313 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 22:08:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 132 states and 332 transitions. [2024-11-13 22:08:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 332 transitions. [2024-11-13 22:08:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:08:49,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:59,630 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 22:08:59,636 INFO L158 Benchmark]: Toolchain (without parser) took 459588.02ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.1MB in the beginning and 106.8MB in the end (delta: -13.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-11-13 22:08:59,636 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:59,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:59,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:59,637 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 860.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:59,637 INFO L158 Benchmark]: RCFGBuilder took 419.00ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 65.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:59,637 INFO L158 Benchmark]: CodeCheck took 458809.97ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 65.8MB in the beginning and 106.8MB in the end (delta: -41.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-13 22:08:59,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 860.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 419.00ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 65.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 458809.97ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 65.8MB in the beginning and 106.8MB in the end (delta: -41.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:08:59,850 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:08:59,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/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_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/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_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/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_a668e857-2e81-4a8c-98fe-c14304cfeb66/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 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:09:02,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:09:02,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:09:02,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:09:02,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:09:02,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:09:02,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:09:02,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:09:02,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:09:02,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:09:02,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:09:02,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:09:02,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:09:02,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:09:02,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:09:02,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:09:02,657 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:02,657 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:09:02,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:09:02,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:02,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:09:02,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:09:02,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:09:02,658 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:09:02,658 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:02,658 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:09:02,658 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_a668e857-2e81-4a8c-98fe-c14304cfeb66/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 -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-11-13 22:09:03,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:09:03,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:09:03,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:09:03,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:09:03,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:09:03,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c Unable to find full path for "g++" [2024-11-13 22:09:05,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:05,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:05,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-13 22:09:05,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/e6d800809/b82a1f2812c84a5e8a159d045de83547/FLAG9c9ec4ace [2024-11-13 22:09:05,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/data/e6d800809/b82a1f2812c84a5e8a159d045de83547 [2024-11-13 22:09:05,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:05,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:05,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:05,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:05,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:05,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598e5069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05, skipping insertion in model container [2024-11-13 22:09:05,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:05,501 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_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-13 22:09:05,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:05,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:05,559 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-11-13 22:09:05,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:05,593 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:05,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05 WrapperNode [2024-11-13 22:09:05,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:05,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:05,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:05,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:05,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,635 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 22:09:05,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:05,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:05,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:05,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:05,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:05,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:05,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:05,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:05,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:05,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:05,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:09:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:09:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:09:05,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:05,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:06,022 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:06,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:06,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:06,113 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:09:06,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:06 BoogieIcfgContainer [2024-11-13 22:09:06,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:06,114 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:06,114 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:06,126 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:06,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:06" (1/1) ... [2024-11-13 22:09:06,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 22:09:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 22:09:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:09:06,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:06,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:06,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:06,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:06,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:09:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:06,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:06,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:09:06,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:06,402 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 22:09:06,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:09:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:09:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:09:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:09:06,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:06,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:06,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:06,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:09:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:06,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:06,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:09:06,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:06,686 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 22:09:06,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:09:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 22:09:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 22:09:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:09:06,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:06,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:06,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:06,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:06,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:09:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:06,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:07,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:09:07,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:07,074 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 22:09:07,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:09:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:09:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:09:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:09:07,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:07,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:07,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:09:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:07,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:07,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:09:07,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:07,575 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 22:09:07,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:09:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-13 22:09:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-13 22:09:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:09:08,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:08,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:08,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:08,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:09:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:08,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:08,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:09:08,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:08,747 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 22:09:08,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:09:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 22:09:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 22:09:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:09:10,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:10,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:10,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:10,836 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:09:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:10,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:10,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:09:10,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:11,286 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 22:09:11,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:09:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-11-13 22:09:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-11-13 22:09:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:09:14,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:14,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:14,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:14,819 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:14,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:09:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:14,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:14,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:09:14,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:15,094 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 22:09:15,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:09:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-13 22:09:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-13 22:09:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:09:16,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:16,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:16,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:16,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:09:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:16,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:16,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:09:16,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:16,757 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 22:09:16,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:09:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 134 transitions. [2024-11-13 22:09:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2024-11-13 22:09:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:09:17,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:17,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:17,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:17,624 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:17,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:09:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:17,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:17,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:09:17,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:19,064 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 22:09:19,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:09:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-11-13 22:09:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-11-13 22:09:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:09:30,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:30,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:30,758 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:30,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:09:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:30,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:30,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:09:30,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:30,920 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 22:09:30,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:09:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-13 22:09:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-13 22:09:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:09:31,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:31,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:31,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:09:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:31,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:32,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:09:32,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:32,422 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 22:09:32,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:09:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 172 transitions. [2024-11-13 22:09:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2024-11-13 22:09:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:09:39,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:39,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:39,128 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:39,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:09:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:39,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:39,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:09:39,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:39,449 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 22:09:39,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:09:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 187 transitions. [2024-11-13 22:09:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-13 22:09:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:09:41,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:41,865 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:09:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:41,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:41,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:09:41,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:42,240 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 22:09:42,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:09:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2024-11-13 22:09:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2024-11-13 22:09:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:09:48,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:48,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:48,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:48,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:48,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:09:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:48,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:48,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:09:48,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:49,454 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 22:09:49,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:09:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 211 transitions. [2024-11-13 22:09:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 211 transitions. [2024-11-13 22:09:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:09:51,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:51,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:51,559 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:09:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:51,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:51,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:09:51,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:51,922 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 22:09:51,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:09:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 84 states and 218 transitions. [2024-11-13 22:09:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 218 transitions. [2024-11-13 22:09:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:09:52,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:52,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:52,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:52,827 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:52,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:09:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:52,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:53,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:09:53,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:53,671 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 22:09:53,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:10:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 94 states and 285 transitions. [2024-11-13 22:10:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 285 transitions. [2024-11-13 22:10:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:10:00,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:00,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:00,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:10:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:01,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:01,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:10:01,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:01,236 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 22:10:01,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:10:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 97 states and 294 transitions. [2024-11-13 22:10:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 294 transitions. [2024-11-13 22:10:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:10:03,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:03,146 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:03,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:10:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:03,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:03,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:10:03,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:03,717 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 22:10:03,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:10:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 99 states and 301 transitions. [2024-11-13 22:10:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 301 transitions. [2024-11-13 22:10:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:10:05,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:05,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:05,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:06,000 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:06,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:10:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:06,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:06,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:10:06,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:06,300 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 22:10:06,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:10:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 102 states and 307 transitions. [2024-11-13 22:10:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 307 transitions. [2024-11-13 22:10:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:10:14,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:14,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:14,874 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:14,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:10:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:14,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:14,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:10:14,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:15,023 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 22:10:15,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:10:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 104 states and 308 transitions. [2024-11-13 22:10:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 308 transitions. [2024-11-13 22:10:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:10:16,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:16,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:16,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:16,295 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:16,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:10:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:16,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:16,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:10:16,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:17,015 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 22:10:17,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 22:10:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 110 states and 339 transitions. [2024-11-13 22:10:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 339 transitions. [2024-11-13 22:10:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:10:26,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:26,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:26,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:26,343 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:26,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:10:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:26,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:26,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:10:26,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:29,293 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 22:10:29,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 22:10:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 124 states and 393 transitions. [2024-11-13 22:10:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 393 transitions. [2024-11-13 22:10:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:10:52,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:52,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:52,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:52,366 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:52,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:10:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:52,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:52,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:10:52,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:54,071 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 22:10:54,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 129 states and 413 transitions. [2024-11-13 22:11:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 413 transitions. [2024-11-13 22:11:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:11:00,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:00,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:00,174 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:00,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:11:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:00,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:00,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:00,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 22:11:01,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:11:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 131 states and 418 transitions. [2024-11-13 22:11:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 418 transitions. [2024-11-13 22:11:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:11:05,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:05,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:05,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:05,556 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:05,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:11:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:05,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:05,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:11:05,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:07,904 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 22:11:07,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:11:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 134 states and 432 transitions. [2024-11-13 22:11:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 432 transitions. [2024-11-13 22:11:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:11:16,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:16,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:16,446 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:11:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:16,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:16,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:11:16,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:16,824 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 22:11:16,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 139 states and 452 transitions. [2024-11-13 22:11:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 452 transitions. [2024-11-13 22:11:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:11:23,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:23,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:23,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:23,283 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:23,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:11:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:23,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:23,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:11:23,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:24,188 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 22:11:24,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:11:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 147 states and 526 transitions. [2024-11-13 22:11:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 526 transitions. [2024-11-13 22:11:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:11:35,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:35,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:35,256 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:35,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:11:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:35,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:35,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:11:35,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:36,223 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 22:11:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:11:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 149 states and 537 transitions. [2024-11-13 22:11:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 537 transitions. [2024-11-13 22:11:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:11:40,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:40,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:40,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:40,737 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:40,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:11:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:40,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:40,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:11:40,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:41,074 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 22:11:41,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 22:11:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 152 states and 543 transitions. [2024-11-13 22:11:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 543 transitions. [2024-11-13 22:11:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:11:54,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:54,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:54,520 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:11:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:11:54,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:54,717 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 22:11:54,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 22:11:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 154 states and 544 transitions. [2024-11-13 22:11:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 544 transitions. [2024-11-13 22:11:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:11:57,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:57,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:57,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:57,525 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:57,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:11:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:57,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:58,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:11:58,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:02,466 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 22:12:02,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-13 22:12:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 167 states and 603 transitions. [2024-11-13 22:12:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 603 transitions. [2024-11-13 22:12:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:12:24,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:24,683 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:24,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:12:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:24,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:24,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:12:24,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:12:25,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:12:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 168 states and 604 transitions. [2024-11-13 22:12:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 604 transitions. [2024-11-13 22:12:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 22:12:31,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:31,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:31,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:31,945 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:31,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:12:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:32,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:32,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:12:32,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:33,395 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 22:12:33,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:12:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 174 states and 644 transitions. [2024-11-13 22:12:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 644 transitions. [2024-11-13 22:12:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 22:12:50,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:50,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:50,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:50,878 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:12:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:51,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:51,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:12:51,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:52,881 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 22:12:52,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:13:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 176 states and 650 transitions. [2024-11-13 22:13:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 650 transitions. [2024-11-13 22:13:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:13:00,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:00,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:00,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:00,142 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:00,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:13:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:00,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:00,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:13:00,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 22:13:04,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 190 states and 716 transitions. [2024-11-13 22:13:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 716 transitions. [2024-11-13 22:13:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:13:45,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:45,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:45,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:45,112 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:45,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:13:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:13:45,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 22:13:46,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 192 states and 722 transitions. [2024-11-13 22:13:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 722 transitions. [2024-11-13 22:13:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:13:53,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:53,183 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:53,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 22:13:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:53,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:53,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:13:53,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 22:13:55,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 22:14:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 194 states and 728 transitions. [2024-11-13 22:14:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 728 transitions. [2024-11-13 22:14:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:14:02,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:02,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:02,650 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:02,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 22:14:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:02,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:02,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:14:02,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:14:05,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 22:14:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 199 states and 756 transitions. [2024-11-13 22:14:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 756 transitions. [2024-11-13 22:14:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 22:14:17,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:17,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:17,363 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:17,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 22:14:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:17,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:17,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:14:17,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 22:14:19,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 22:14:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 201 states and 762 transitions. [2024-11-13 22:14:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 762 transitions. [2024-11-13 22:14:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 22:14:27,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:27,114 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:27,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 22:14:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:27,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:27,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:14:27,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 22:14:31,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 22:14:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 204 states and 779 transitions. [2024-11-13 22:14:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 779 transitions. [2024-11-13 22:14:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 22:14:47,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:47,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:47,367 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:47,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 22:14:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:47,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:47,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:14:47,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-13 22:14:47,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 22:14:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 206 states and 791 transitions. [2024-11-13 22:14:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 791 transitions. [2024-11-13 22:14:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 22:14:51,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:51,272 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:51,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 22:14:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:51,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:51,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:14:51,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 22:14:51,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 22:15:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 214 states and 892 transitions. [2024-11-13 22:15:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 892 transitions. [2024-11-13 22:15:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 22:15:13,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:13,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:13,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:13,102 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:13,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 22:15:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:13,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:13,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:15:13,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-13 22:15:13,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 22:15:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 216 states and 896 transitions. [2024-11-13 22:15:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 896 transitions. [2024-11-13 22:15:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 22:15:19,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:19,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:19,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:19,870 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:19,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 22:15:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:20,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:20,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:15:20,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 22:15:21,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 22:15:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 218 states and 904 transitions. [2024-11-13 22:15:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 904 transitions. [2024-11-13 22:15:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 22:15:30,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:30,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:30,055 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:30,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 22:15:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:15:30,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 57 proven. 47 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-13 22:15:30,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 22:15:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 221 states and 910 transitions. [2024-11-13 22:15:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 910 transitions. [2024-11-13 22:15:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 22:15:49,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:49,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:49,246 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:49,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 22:15:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:49,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:49,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:15:49,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 22:15:49,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 22:15:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 223 states and 911 transitions. [2024-11-13 22:15:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 911 transitions. [2024-11-13 22:15:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 22:15:53,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:53,991 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:53,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a668e857-2e81-4a8c-98fe-c14304cfeb66/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 22:15:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:54,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:54,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:15:54,140 INFO L278 TraceCheckSpWp]: Computing forward predicates...