./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.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_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/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_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/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_30d128d3-0fd0-427a-a51e-cabd00707e93/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 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:47:46,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:47:46,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:47:46,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:47:46,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:47:46,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:47:46,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:47:46,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:47:46,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:47:46,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:47:46,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:47:46,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:47:46,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:47:46,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:46,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:47:46,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:47:46,545 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_30d128d3-0fd0-427a-a51e-cabd00707e93/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 -> 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 [2024-12-05 23:47:46,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:47:46,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:47:46,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:47:46,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:47:46,747 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:47:46,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-12-05 23:47:49,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/8ad4240de/1ec795332c354531b8cbe4ef63d12f07/FLAGaad85050c [2024-12-05 23:47:49,532 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:47:49,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-12-05 23:47:49,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/8ad4240de/1ec795332c354531b8cbe4ef63d12f07/FLAGaad85050c [2024-12-05 23:47:49,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/8ad4240de/1ec795332c354531b8cbe4ef63d12f07 [2024-12-05 23:47:49,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:47:49,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:47:49,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:49,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:47:49,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:47:49,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:49" (1/1) ... [2024-12-05 23:47:49,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f65913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:49, skipping insertion in model container [2024-12-05 23:47:49,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:49" (1/1) ... [2024-12-05 23:47:49,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:47:50,031 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_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-12-05 23:47:50,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:50,052 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:47:50,059 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_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-12-05 23:47:50,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:50,078 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:47:50,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50 WrapperNode [2024-12-05 23:47:50,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:50,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:50,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:47:50,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:47:50,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,098 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-05 23:47:50,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:50,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:47:50,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:47:50,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:47:50,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:47:50,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:47:50,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:47:50,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:47:50,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:50,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:47:50,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:47:50,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:47:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:47:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:47:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:47:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:47:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:47:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:47:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:47:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:47:50,200 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:47:50,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:47:50,305 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:47:50,305 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:47:50,329 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:47:50,330 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:47:50,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:50 BoogieIcfgContainer [2024-12-05 23:47:50,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:47:50,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:47:50,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:47:50,338 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:47:50,338 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:50" (1/1) ... [2024-12-05 23:47:50,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:47:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 23:47:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 23:47:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:47:50,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:50,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:50,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:47:50,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:47:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 23:47:50,671 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 23:47:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:47:50,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:47:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 23:47:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 23:47:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:47:51,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:51,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:51,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:47:51,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:47:54,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-05 23:47:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-05 23:47:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:47:54,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:54,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:47:54,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:47:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-05 23:47:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-05 23:47:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:47:54,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:54,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:47:54,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 23:47:58,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 23:47:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 23:47:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:47:58,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:58,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:47:58,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 23:47:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-05 23:47:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 23:47:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:47:58,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:58,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:59,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:47:59,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:48:02,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:48:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-05 23:48:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-05 23:48:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:48:02,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:02,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:48:02,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 23:48:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-05 23:48:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-05 23:48:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:48:03,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:03,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:03,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:48:03,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 23:48:06,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:48:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-05 23:48:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-05 23:48:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:48:06,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:06,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:07,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:48:07,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 23:48:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-05 23:48:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-05 23:48:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:48:07,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:08,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:48:08,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 21 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:48:12,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:48:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:12,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-12-05 23:48:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-12-05 23:48:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:48:12,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:12,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:48:12,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-05 23:48:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-05 23:48:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-05 23:48:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:48:13,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:23,791 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 23:48:23,794 INFO L158 Benchmark]: Toolchain (without parser) took 33878.69ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 47.3MB in the end (delta: 45.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:23,794 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:48:23,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.29ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:23,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.91ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:48:23,795 INFO L158 Benchmark]: Boogie Preprocessor took 14.49ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 714.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:23,795 INFO L158 Benchmark]: RCFGBuilder took 216.55ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:23,796 INFO L158 Benchmark]: CodeCheck took 33463.05ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 47.3MB in the end (delta: 21.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-12-05 23:48:23,797 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.29ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.91ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.49ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 714.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 216.55ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 33463.05ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 47.3MB in the end (delta: 21.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:48:23,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/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_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/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_30d128d3-0fd0-427a-a51e-cabd00707e93/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 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:48:25,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:48:25,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:48:25,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:48:25,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:48:25,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:48:25,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:48:25,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:48:25,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:48:25,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:48:25,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:48:25,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:25,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:48:25,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:48:25,725 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:48:25,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:25,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:48:25,725 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_30d128d3-0fd0-427a-a51e-cabd00707e93/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 -> 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 [2024-12-05 23:48:25,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:48:25,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:48:25,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:48:25,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:48:25,951 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:48:25,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-12-05 23:48:28,540 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/51d57da2f/74ea4f7a6f754e4eb98c148f2f1acd6c/FLAGd6257bbd8 [2024-12-05 23:48:28,741 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:48:28,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-12-05 23:48:28,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/51d57da2f/74ea4f7a6f754e4eb98c148f2f1acd6c/FLAGd6257bbd8 [2024-12-05 23:48:29,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/data/51d57da2f/74ea4f7a6f754e4eb98c148f2f1acd6c [2024-12-05 23:48:29,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:48:29,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:48:29,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:29,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:48:29,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:48:29,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d5cbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29, skipping insertion in model container [2024-12-05 23:48:29,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:48:29,248 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_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-12-05 23:48:29,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:29,274 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:48:29,285 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_30d128d3-0fd0-427a-a51e-cabd00707e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-12-05 23:48:29,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:29,307 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:48:29,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29 WrapperNode [2024-12-05 23:48:29,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:29,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:29,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:48:29,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:48:29,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,334 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-05 23:48:29,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:29,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:48:29,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:48:29,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:48:29,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,349 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:48:29,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:48:29,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:48:29,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:48:29,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:48:29,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:48:29,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:48:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:48:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:48:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:48:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:48:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:48:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:48:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:48:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:48:29,470 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:48:29,472 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:48:29,713 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:48:29,714 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:48:29,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:48:29,739 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:48:29,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:29 BoogieIcfgContainer [2024-12-05 23:48:29,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:48:29,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:48:29,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:48:29,748 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:48:29,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:29" (1/1) ... [2024-12-05 23:48:29,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:48:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 23:48:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 23:48:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:48:29,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:29,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:29,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:29,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:48:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:29,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:30,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:48:30,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:48:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:48:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 23:48:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 23:48:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:48:31,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:31,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:31,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:48:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:32,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:32,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:48:32,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:48:44,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:49:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-05 23:49:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-05 23:49:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:49:04,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:04,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:04,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:04,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:49:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:05,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:05,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:49:05,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:49:06,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:49:34,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-05 23:49:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-05 23:49:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:49:35,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:35,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:35,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:49:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:36,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:36,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:49:36,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:49:39,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:50:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-05 23:50:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-05 23:50:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:50:22,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:22,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:22,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:50:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:23,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:23,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:50:23,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:50:24,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:51:11,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-05 23:51:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-05 23:51:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:51:13,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:13,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:13,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:13,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:51:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:14,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:14,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:51:14,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 23:51:17,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:52:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-05 23:52:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-05 23:52:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:52:16,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:16,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:16,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:16,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:16,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:52:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:18,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:52:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:18,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:52:18,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 23:52:20,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 23:53:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-05 23:53:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-05 23:53:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:53:11,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:11,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:11,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:53:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:12,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:12,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:53:12,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:53:16,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:54:26,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:54:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-05 23:54:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-05 23:54:27,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:54:27,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:27,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:27,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:27,183 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:27,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:54:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:29,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:29,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:54:29,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 23:54:31,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 23:55:12,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:55:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-05 23:55:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-05 23:55:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:55:36,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:36,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:55:36,133 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:55:36,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:55:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:37,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:55:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:38,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:55:38,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 23:55:43,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 23:57:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-05 23:57:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-05 23:57:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:57:07,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:07,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:07,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:07,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:07,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:57:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:09,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:10,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:57:10,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-05 23:57:12,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-05 23:57:32,633 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:57:59,727 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:58:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-12-05 23:58:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-05 23:58:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:58:26,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:58:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:58:26,788 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:58:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:58:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:28,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:58:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:29,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:58:29,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:58:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-05 23:58:39,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 00:00:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 116 transitions. [2024-12-06 00:00:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-12-06 00:00:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 00:00:19,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:19,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:19,378 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:19,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:00:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:22,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:23,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:00:23,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 00:00:26,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 00:00:44,929 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:01:11,913 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:01:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:01:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 120 transitions. [2024-12-06 00:01:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 120 transitions. [2024-12-06 00:01:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 00:01:41,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:01:41,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:01:41,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:01:41,144 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:01:41,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:01:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:01:43,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:01:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:01:44,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:01:44,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:01:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-06 00:01:51,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d128d3-0fd0-427a-a51e-cabd00707e93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 00:02:37,508 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)