./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:13:51,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:13:51,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:13:51,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:13:51,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:13:51,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:13:51,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:13:51,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:13:51,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:13:51,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:13:51,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:13:51,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:13:51,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:13:51,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:13:51,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:51,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:13:51,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:13:51,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:13:51,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:13:51,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:13:51,915 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_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-12-05 23:13:52,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:13:52,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:13:52,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:13:52,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:13:52,194 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:13:52,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-12-05 23:13:54,846 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/68fb63890/d2fd97a5a7544cc0a5d221c53e4cbdd0/FLAGc596bb15e [2024-12-05 23:13:55,099 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:13:55,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-12-05 23:13:55,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/68fb63890/d2fd97a5a7544cc0a5d221c53e4cbdd0/FLAGc596bb15e [2024-12-05 23:13:55,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/68fb63890/d2fd97a5a7544cc0a5d221c53e4cbdd0 [2024-12-05 23:13:55,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:13:55,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:13:55,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:55,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:13:55,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:13:55,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34607847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55, skipping insertion in model container [2024-12-05 23:13:55,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:13:55,572 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_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-12-05 23:13:55,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:55,604 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:13:55,616 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_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-12-05 23:13:55,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:13:55,639 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:13:55,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55 WrapperNode [2024-12-05 23:13:55,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:13:55,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:55,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:13:55,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:13:55,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,667 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-05 23:13:55,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:13:55,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:13:55,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:13:55,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:13:55,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,678 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:13:55,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:13:55,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:13:55,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:13:55,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:13:55" (1/1) ... [2024-12-05 23:13:55,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:13:55,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:13:55,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:13:55,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:13:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:13:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:13:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:13:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:13:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:13:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:13:55,809 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:13:55,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:13:55,959 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:13:55,959 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:13:56,003 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:13:56,003 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:13:56,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:56 BoogieIcfgContainer [2024-12-05 23:13:56,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:13:56,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:13:56,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:13:56,014 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:13:56,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:56" (1/1) ... [2024-12-05 23:13:56,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:13:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-05 23:13:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 23:13:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:13:56,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-05 23:13:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-05 23:13:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:13:56,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:56,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-05 23:13:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-05 23:13:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:13:56,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:56,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 23:13:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 23:13:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:13:56,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-12-05 23:13:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-05 23:13:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:13:57,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:13:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:57,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:13:57,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:13:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-12-05 23:13:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-12-05 23:13:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:13:58,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:58,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:13:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:58,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:13:58,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:13:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-12-05 23:13:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-05 23:13:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:13:59,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:59,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:14:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-12-05 23:14:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-12-05 23:14:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:14:01,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:01,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:14:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-12-05 23:14:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-12-05 23:14:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:14:01,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:14:25,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:14:35,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:14:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 122 transitions. [2024-12-05 23:14:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2024-12-05 23:14:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:14:39,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:14:41,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:14:42,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 130 transitions. [2024-12-05 23:14:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2024-12-05 23:14:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:14:42,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:42,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:14:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2024-12-05 23:14:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-05 23:14:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:14:43,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:43,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:14:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:43,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:14:43,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:14:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 69 states and 151 transitions. [2024-12-05 23:14:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-12-05 23:14:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:14:48,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:14:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:48,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:14:48,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:15:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 73 states and 159 transitions. [2024-12-05 23:15:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 159 transitions. [2024-12-05 23:15:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:15:08,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:08,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:15:08,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:15:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 160 transitions. [2024-12-05 23:15:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2024-12-05 23:15:09,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:15:09,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:09,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:09,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:15:09,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:15:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 78 states and 171 transitions. [2024-12-05 23:15:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 171 transitions. [2024-12-05 23:15:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:15:10,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:10,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:15:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 83 states and 184 transitions. [2024-12-05 23:15:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2024-12-05 23:15:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:15:16,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:15:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 205 transitions. [2024-12-05 23:15:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 205 transitions. [2024-12-05 23:15:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:15:21,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:15:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:22,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:15:22,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:17:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 100 states and 237 transitions. [2024-12-05 23:17:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 237 transitions. [2024-12-05 23:17:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:17:02,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:17:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:02,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:17:02,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:17:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 104 states and 242 transitions. [2024-12-05 23:17:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 242 transitions. [2024-12-05 23:17:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:17:26,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:17:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 110 states and 266 transitions. [2024-12-05 23:17:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 266 transitions. [2024-12-05 23:17:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:17:42,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:17:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 110 states and 265 transitions. [2024-12-05 23:17:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2024-12-05 23:17:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:17:43,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-05 23:17:56,685 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:18:09,060 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:18:19,661 WARN L286 SmtUtils]: Spent 10.18s 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) [2024-12-05 23:18:33,390 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:18:54,904 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:18:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 280 transitions. [2024-12-05 23:18:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 280 transitions. [2024-12-05 23:18:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:18:55,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:55,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 23:18:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 116 states and 285 transitions. [2024-12-05 23:18:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 285 transitions. [2024-12-05 23:18:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:18:58,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 23:19:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 287 transitions. [2024-12-05 23:19:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 287 transitions. [2024-12-05 23:19:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:19:00,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:00,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:00,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:19:00,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:19:13,719 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:19:26,239 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:19:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 124 states and 311 transitions. [2024-12-05 23:19:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 311 transitions. [2024-12-05 23:19:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:19:31,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:31,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:19:31,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:19:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 128 states and 322 transitions. [2024-12-05 23:19:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 322 transitions. [2024-12-05 23:19:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:19:39,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:39,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:19:39,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:19:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 130 states and 325 transitions. [2024-12-05 23:19:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 325 transitions. [2024-12-05 23:19:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:19:41,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:42,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:19:42,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:19:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 132 states and 328 transitions. [2024-12-05 23:19:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 328 transitions. [2024-12-05 23:19:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:19:45,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:45,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:55,501 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:19:55,505 INFO L158 Benchmark]: Toolchain (without parser) took 360060.84ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 60.3MB in the end (delta: 32.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-12-05 23:19:55,506 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:55,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.39ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:19:55,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.92ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:19:55,506 INFO L158 Benchmark]: Boogie Preprocessor took 17.64ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 834.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:55,507 INFO L158 Benchmark]: RCFGBuilder took 317.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:19:55,507 INFO L158 Benchmark]: CodeCheck took 359500.22ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-12-05 23:19:55,508 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 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.39ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.92ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.64ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 834.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 359500.22ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:19:55,715 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:19:55,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:19:57,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:19:57,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:19:57,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:19:57,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:19:57,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:19:57,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:19:57,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:19:57,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:19:57,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:19:57,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:19:57,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:19:57,836 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:19:57,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:57,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:57,837 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:19:57,838 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_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-12-05 23:19:58,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:19:58,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:19:58,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:19:58,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:19:58,121 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:19:58,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-12-05 23:20:01,008 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/6ec384793/a47a1727a01f493db4afada091768a71/FLAG0abaef203 [2024-12-05 23:20:01,213 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:01,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-12-05 23:20:01,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/6ec384793/a47a1727a01f493db4afada091768a71/FLAG0abaef203 [2024-12-05 23:20:01,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/data/6ec384793/a47a1727a01f493db4afada091768a71 [2024-12-05 23:20:01,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:01,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:01,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:01,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:01,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:01,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bad3a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01, skipping insertion in model container [2024-12-05 23:20:01,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:01,714 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_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-12-05 23:20:01,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:01,745 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:01,755 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_81771087-57e5-478c-beb0-9fd2826b17a6/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-12-05 23:20:01,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:01,779 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:01,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01 WrapperNode [2024-12-05 23:20:01,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:01,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:01,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:01,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:01,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,810 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-05 23:20:01,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:01,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:01,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:01,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:01,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:01,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:01,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:01,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:01,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:01,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:01,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:01,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:20:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:20:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:20:01,972 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:01,974 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:02,152 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:20:02,152 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:02,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:20:02,218 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:20:02,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:02 BoogieIcfgContainer [2024-12-05 23:20:02,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:20:02,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:20:02,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:20:02,228 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:20:02,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:02" (1/1) ... [2024-12-05 23:20:02,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:20:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-05 23:20:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 23:20:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:20:02,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:02,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:02,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:02,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:20:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:20:02,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:02,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:20:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-05 23:20:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-05 23:20:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:20:02,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:02,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:02,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:02,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:20:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:02,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:02,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:20:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-05 23:20:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-05 23:20:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:20:02,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:02,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:20:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:20:02,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:02,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:20:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 23:20:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 23:20:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:20:03,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:03,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:03,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:03,178 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:03,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:20:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:03,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:03,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 23:20:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-05 23:20:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-05 23:20:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:03,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:03,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:03,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:20:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:20:03,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:20:04,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:20:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-12-05 23:20:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-12-05 23:20:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:20:05,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:05,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:05,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:05,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:05,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:20:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:05,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:05,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:20:05,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:20:05,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:20:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-12-05 23:20:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-12-05 23:20:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:20:06,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:06,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:06,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:06,447 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:06,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:20:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:06,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:06,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:20:06,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:20:06,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:20:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2024-12-05 23:20:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2024-12-05 23:20:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:20:09,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:09,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:09,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:09,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:09,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:20:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:09,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:09,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:20:09,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:20:09,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:20:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 136 transitions. [2024-12-05 23:20:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2024-12-05 23:20:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:20:10,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:10,080 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:10,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:20:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:10,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:10,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:20:10,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:20:11,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:20:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-12-05 23:20:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-12-05 23:20:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:20:20,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:20,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:20,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:20,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:20,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:20:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:20,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:20,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:20,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:20:20,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:20:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 151 transitions. [2024-12-05 23:20:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 151 transitions. [2024-12-05 23:20:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:20:21,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:21,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:21,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:20:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:21,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:21,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:20:21,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 23:20:22,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:20:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 175 transitions. [2024-12-05 23:20:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 175 transitions. [2024-12-05 23:20:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:20:27,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:27,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:27,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:27,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:27,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:20:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:27,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:27,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:20:27,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:20:27,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:20:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2024-12-05 23:20:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2024-12-05 23:20:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:20:29,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:29,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:29,882 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:29,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:20:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:29,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:29,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:20:29,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:20:30,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:20:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2024-12-05 23:20:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2024-12-05 23:20:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:20:36,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:36,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:36,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:36,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:20:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:36,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:36,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:36,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:20:36,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:20:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 82 states and 213 transitions. [2024-12-05 23:20:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 213 transitions. [2024-12-05 23:20:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:20:38,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:38,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:38,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:38,037 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:38,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:20:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:38,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:38,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:20:38,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 23:20:38,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:20:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 84 states and 219 transitions. [2024-12-05 23:20:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 219 transitions. [2024-12-05 23:20:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 23:20:39,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:39,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:39,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:39,031 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:39,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:20:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:39,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:39,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:20:39,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:20:39,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:20:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:46,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 94 states and 289 transitions. [2024-12-05 23:20:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 289 transitions. [2024-12-05 23:20:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:20:46,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:46,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:46,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:46,870 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:20:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:46,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:46,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:20:46,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 23:20:47,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:20:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 97 states and 298 transitions. [2024-12-05 23:20:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 298 transitions. [2024-12-05 23:20:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:20:59,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:59,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:59,098 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:59,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:20:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:59,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:59,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:20:59,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:20:59,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:21:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 99 states and 304 transitions. [2024-12-05 23:21:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 304 transitions. [2024-12-05 23:21:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:21:06,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:06,892 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:06,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:21:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:06,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:06,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:06,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 23:21:07,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:21:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 101 states and 305 transitions. [2024-12-05 23:21:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 305 transitions. [2024-12-05 23:21:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:21:07,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:07,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:07,978 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:07,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:21:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:08,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:08,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:21:08,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 25 proven. 52 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 23:21:08,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:21:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 107 states and 337 transitions. [2024-12-05 23:21:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 337 transitions. [2024-12-05 23:21:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:21:17,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:17,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:17,273 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:17,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:21:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:17,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:17,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:21:17,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 25 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 23:21:19,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:21:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 121 states and 388 transitions. [2024-12-05 23:21:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 388 transitions. [2024-12-05 23:21:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 23:21:34,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:34,050 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:21:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:34,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:34,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:21:34,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:21:35,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:21:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 126 states and 401 transitions. [2024-12-05 23:21:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 401 transitions. [2024-12-05 23:21:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:21:41,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:41,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:41,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:41,933 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:41,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:21:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:42,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:42,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:21:42,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 23:21:43,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:21:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 129 states and 413 transitions. [2024-12-05 23:21:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 413 transitions. [2024-12-05 23:21:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:21:50,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:50,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:50,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:50,841 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:50,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:21:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:50,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:51,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:21:51,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 23:21:51,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:21:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 131 states and 422 transitions. [2024-12-05 23:21:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 422 transitions. [2024-12-05 23:21:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 23:21:52,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:52,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:52,308 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:52,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:21:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:52,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:52,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:21:52,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:21:53,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:22:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 141 states and 512 transitions. [2024-12-05 23:22:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 512 transitions. [2024-12-05 23:22:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:22:06,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:06,399 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:06,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:22:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:06,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:06,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:22:06,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-05 23:22:06,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:22:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 142 states and 513 transitions. [2024-12-05 23:22:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 513 transitions. [2024-12-05 23:22:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:22:10,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:10,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:10,968 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:10,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:22:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:11,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:11,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:22:11,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 23:22:11,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:22:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 144 states and 521 transitions. [2024-12-05 23:22:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 521 transitions. [2024-12-05 23:22:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:22:19,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:19,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:19,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:19,129 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:19,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:22:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:19,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:19,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:22:19,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-12-05 23:22:19,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:22:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 146 states and 522 transitions. [2024-12-05 23:22:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 522 transitions. [2024-12-05 23:22:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 23:22:21,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:21,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:21,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:21,145 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:21,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:22:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:21,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:21,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:22:21,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-05 23:22:23,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:22:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 149 states and 553 transitions. [2024-12-05 23:22:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 553 transitions. [2024-12-05 23:22:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 23:22:30,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:30,096 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:30,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:22:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:30,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:30,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:22:30,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 23:22:30,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:22:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 150 states and 554 transitions. [2024-12-05 23:22:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 554 transitions. [2024-12-05 23:22:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 23:22:34,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:34,971 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:34,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:22:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:35,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:35,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:22:35,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 23:22:35,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:22:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 156 states and 594 transitions. [2024-12-05 23:22:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 594 transitions. [2024-12-05 23:22:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-05 23:22:49,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:49,051 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:49,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:22:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:49,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:49,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:22:49,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 23:22:50,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 23:22:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 158 states and 599 transitions. [2024-12-05 23:22:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 599 transitions. [2024-12-05 23:22:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:22:56,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:56,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:56,064 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:56,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:22:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:56,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:56,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:22:56,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:22:57,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 23:23:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 163 states and 618 transitions. [2024-12-05 23:23:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 618 transitions. [2024-12-05 23:23:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:23:17,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:17,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:17,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:17,102 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:17,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:23:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:17,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:17,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:23:17,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:23:17,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:23:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 166 states and 624 transitions. [2024-12-05 23:23:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 624 transitions. [2024-12-05 23:23:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:23:19,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:19,612 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:19,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 23:23:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:19,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:19,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:23:19,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 23:23:22,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 23:23:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 180 states and 674 transitions. [2024-12-05 23:23:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 674 transitions. [2024-12-05 23:23:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:23:48,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:48,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:48,454 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:48,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 23:23:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:48,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:48,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:23:48,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:23:48,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:24:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 186 states and 765 transitions. [2024-12-05 23:24:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 765 transitions. [2024-12-05 23:24:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:24:01,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:01,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:01,462 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:24:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:01,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:01,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:24:01,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 23:24:04,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 23:24:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 189 states and 781 transitions. [2024-12-05 23:24:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 781 transitions. [2024-12-05 23:24:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:24:14,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:14,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:14,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:14,742 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:14,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:24:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:14,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:14,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:24:14,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-12-05 23:24:15,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 23:24:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 191 states and 796 transitions. [2024-12-05 23:24:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 796 transitions. [2024-12-05 23:24:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-05 23:24:17,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:17,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:17,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:17,252 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:17,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 23:24:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:17,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:17,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:24:17,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:24:18,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 23:24:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 197 states and 812 transitions. [2024-12-05 23:24:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 812 transitions. [2024-12-05 23:24:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:24:30,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:30,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:30,396 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:30,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 23:24:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:30,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:30,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:24:30,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 57 proven. 47 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-05 23:24:30,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 23:24:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 198 states and 813 transitions. [2024-12-05 23:24:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 813 transitions. [2024-12-05 23:24:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:24:36,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:36,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:36,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:36,203 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:36,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 23:24:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:36,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:36,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:24:36,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 23:24:36,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 23:24:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 200 states and 823 transitions. [2024-12-05 23:24:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 823 transitions. [2024-12-05 23:24:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:24:47,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:47,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:47,322 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:47,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 23:24:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:47,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:47,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:24:47,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:24:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-05 23:24:47,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 23:24:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:24:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 202 states and 824 transitions. [2024-12-05 23:24:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 824 transitions. [2024-12-05 23:24:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 23:24:50,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:24:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:24:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:24:50,558 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:24:50,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81771087-57e5-478c-beb0-9fd2826b17a6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 23:24:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:50,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:24:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:24:50,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:24:50,663 INFO L279 TraceCheckSpWp]: Computing forward predicates...