./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard-u.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_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/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_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/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_c1f62f88-05e0-449b-9af1-d0d6a395e133/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 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:51,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:51,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:12:51,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:12:51,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:12:51,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:51,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:51,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:51,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:51,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:51,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:51,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:51,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:51,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:51,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:51,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:51,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:51,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:12:51,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:12:51,451 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/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 -> 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 [2024-12-06 03:12:51,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:51,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:51,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:51,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:51,688 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:51,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/hard-u.c [2024-12-06 03:12:54,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/7d0403ece/953cd0fc7dd048f79144fdee69e2811b/FLAG9ddb74e75 [2024-12-06 03:12:54,482 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:54,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c [2024-12-06 03:12:54,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/7d0403ece/953cd0fc7dd048f79144fdee69e2811b/FLAG9ddb74e75 [2024-12-06 03:12:54,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/7d0403ece/953cd0fc7dd048f79144fdee69e2811b [2024-12-06 03:12:54,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:54,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:54,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:54,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:54,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:54,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:54" (1/1) ... [2024-12-06 03:12:54,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3e9baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:54, skipping insertion in model container [2024-12-06 03:12:54,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:54" (1/1) ... [2024-12-06 03:12:54,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:55,020 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-12-06 03:12:55,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:55,043 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:55,053 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-12-06 03:12:55,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:55,071 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:55,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55 WrapperNode [2024-12-06 03:12:55,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:55,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:55,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:55,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:55,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,097 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-12-06 03:12:55,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:55,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:55,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:55,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:55,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:55,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:55,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:55,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:55,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:55,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:55,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:55,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:12:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:12:55,216 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:55,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:55,330 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:55,330 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:55,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:55,374 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:12:55,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:55 BoogieIcfgContainer [2024-12-06 03:12:55,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:55,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:55,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:55,382 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:55,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:55" (1/1) ... [2024-12-06 03:12:55,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 03:12:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 03:12:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:12:55,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:55,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 03:12:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 03:12:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:12:55,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:55,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2024-12-06 03:12:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2024-12-06 03:12:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:12:56,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:56,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:12:56,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:12:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2024-12-06 03:12:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2024-12-06 03:12:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:12:56,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:56,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 03:12:56,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:12:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2024-12-06 03:12:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2024-12-06 03:12:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:12:57,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 03:13:29,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:13:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 33 states and 72 transitions. [2024-12-06 03:13:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-12-06 03:13:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:13:30,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 03:13:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 35 states and 76 transitions. [2024-12-06 03:13:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 76 transitions. [2024-12-06 03:13:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:13:30,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:30,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:31,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:13:31,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 03:13:53,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:13:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 39 states and 89 transitions. [2024-12-06 03:13:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 89 transitions. [2024-12-06 03:13:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:13:53,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:53,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:53,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:13:53,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 03:13:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 93 transitions. [2024-12-06 03:13:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2024-12-06 03:13:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:13:54,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:54,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:54,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:13:54,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:13:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 102 transitions. [2024-12-06 03:13:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 102 transitions. [2024-12-06 03:13:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:13:55,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:55,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 03:13:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 47 states and 111 transitions. [2024-12-06 03:13:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 111 transitions. [2024-12-06 03:13:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:13:58,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 03:14:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 52 states and 126 transitions. [2024-12-06 03:14:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 126 transitions. [2024-12-06 03:14:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:14:00,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:14:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:00,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 03:14:00,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 03:14:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 146 transitions. [2024-12-06 03:14:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 146 transitions. [2024-12-06 03:14:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 03:14:14,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-06 03:14:25,481 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:14:35,819 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:14:46,134 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:14:56,386 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:15:08,214 WARN L286 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:15:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 61 states and 152 transitions. [2024-12-06 03:15:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 152 transitions. [2024-12-06 03:15:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:15:08,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:08,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:15:08,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 03:15:19,235 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:15:29,693 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:15:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 65 states and 166 transitions. [2024-12-06 03:15:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 166 transitions. [2024-12-06 03:15:32,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:15:32,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:15:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:15:33,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:45,364 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:15:55,460 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:16:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:16:51,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:17:01,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:17:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 69 states and 182 transitions. [2024-12-06 03:17:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 182 transitions. [2024-12-06 03:17:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:17:01,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:08,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:17:08,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 03:17:20,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:17:31,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:17:41,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:17:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 192 transitions. [2024-12-06 03:17:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2024-12-06 03:17:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:17:42,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:42,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:48,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:17:48,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 03:17:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 192 transitions. [2024-12-06 03:17:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2024-12-06 03:17:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:17:49,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:49,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:55,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:17:55,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:17:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 192 transitions. [2024-12-06 03:17:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2024-12-06 03:17:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:17:55,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:18:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:01,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:18:01,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 03:18:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 192 transitions. [2024-12-06 03:18:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2024-12-06 03:18:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:18:02,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:18:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:18:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:18:12,192 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) [2024-12-06 03:18:12,195 INFO L158 Benchmark]: Toolchain (without parser) took 317323.48ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 49.7MB in the end (delta: 69.7MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-12-06 03:18:12,195 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:18:12,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.23ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:18:12,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.97ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:18:12,196 INFO L158 Benchmark]: Boogie Preprocessor took 15.86ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 888.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:18:12,196 INFO L158 Benchmark]: RCFGBuilder took 260.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:18:12,196 INFO L158 Benchmark]: CodeCheck took 316819.68ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 49.7MB in the end (delta: 42.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-12-06 03:18:12,198 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 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.23ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.97ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.86ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 888.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 316819.68ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 49.7MB in the end (delta: 42.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:18:12,405 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:18:12,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/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_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/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_c1f62f88-05e0-449b-9af1-d0d6a395e133/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 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:18:14,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:18:14,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:18:14,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:18:14,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:18:14,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:18:14,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:18:14,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:18:14,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:18:14,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:18:14,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:18:14,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:18:14,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:18:14,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:18:14,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:18:14,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:18:14,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:18:14,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:18:14,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:18:14,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:14,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:18:14,242 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/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 -> 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 [2024-12-06 03:18:14,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:18:14,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:18:14,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:18:14,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:18:14,485 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:18:14,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/hard-u.c [2024-12-06 03:18:17,195 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/35776cb11/9040fff618064c2b896660a378aacc85/FLAGbe7400cae [2024-12-06 03:18:17,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:18:17,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c [2024-12-06 03:18:17,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/35776cb11/9040fff618064c2b896660a378aacc85/FLAGbe7400cae [2024-12-06 03:18:17,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/data/35776cb11/9040fff618064c2b896660a378aacc85 [2024-12-06 03:18:17,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:18:17,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:18:17,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:18:17,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:18:17,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:18:17,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52203758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17, skipping insertion in model container [2024-12-06 03:18:17,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:18:17,887 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-12-06 03:18:17,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:18:17,911 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:18:17,921 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_c1f62f88-05e0-449b-9af1-d0d6a395e133/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-12-06 03:18:17,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:18:17,936 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:18:17,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17 WrapperNode [2024-12-06 03:18:17,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:18:17,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:18:17,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:18:17,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:18:17,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,957 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-12-06 03:18:17,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:18:17,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:18:17,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:18:17,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:18:17,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:18:17,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:18:17,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:18:17,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:18:17,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:18:17" (1/1) ... [2024-12-06 03:18:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:18:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:18:18,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:18:18,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:18:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:18:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:18:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:18:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:18:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:18:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:18:18,074 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:18:18,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:18:18,208 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:18:18,208 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:18:18,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:18:18,267 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:18:18,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:18:18 BoogieIcfgContainer [2024-12-06 03:18:18,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:18:18,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:18:18,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:18:18,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:18:18,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:18:18" (1/1) ... [2024-12-06 03:18:18,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:18:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 03:18:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 03:18:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:18:18,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:18,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:18,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:18,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:18:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:18,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:18,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:18:18,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:18:18,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:18:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 03:18:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 03:18:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:18:18,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:18,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:18,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:18:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:18,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:18,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:18:18,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:18:18,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 03:18:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-06 03:18:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-06 03:18:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:18:18,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:18,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:18,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:18,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:18,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:18:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:18,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:19,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:18:19,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:18:19,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:18:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2024-12-06 03:18:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2024-12-06 03:18:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:18:19,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:19,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:18:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:20,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:20,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:18:20,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:18:20,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:18:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 66 transitions. [2024-12-06 03:18:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 66 transitions. [2024-12-06 03:18:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:18:20,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:20,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:20,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:20,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:20,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:18:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:20,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:20,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:18:20,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:18:21,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:18:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2024-12-06 03:18:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2024-12-06 03:18:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:18:22,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:22,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:22,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:22,565 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:22,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:18:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:22,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:22,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:18:22,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:18:22,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:18:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 86 transitions. [2024-12-06 03:18:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2024-12-06 03:18:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:18:25,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:25,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:25,008 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:25,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:18:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:25,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:25,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:18:25,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:18:25,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:18:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 95 transitions. [2024-12-06 03:18:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 95 transitions. [2024-12-06 03:18:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:18:26,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:26,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:26,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:26,129 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:26,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:18:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:26,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:26,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:18:26,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:26,293 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 03:18:26,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:18:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 45 states and 102 transitions. [2024-12-06 03:18:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 102 transitions. [2024-12-06 03:18:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:18:26,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:26,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:26,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:18:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:27,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:27,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:18:27,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 03:18:27,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:18:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2024-12-06 03:18:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2024-12-06 03:18:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:18:28,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:28,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:28,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:28,052 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:28,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:18:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:28,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:28,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:18:28,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 03:18:28,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:18:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 110 transitions. [2024-12-06 03:18:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 110 transitions. [2024-12-06 03:18:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:18:28,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:28,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:28,701 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:28,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:18:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:28,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:28,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:18:28,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 36 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:18:29,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:18:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 123 transitions. [2024-12-06 03:18:32,306 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 123 transitions. [2024-12-06 03:18:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 03:18:32,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:32,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:32,310 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:32,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:18:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:32,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:32,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 03:18:32,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:18:33,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:18:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 146 transitions. [2024-12-06 03:18:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 146 transitions. [2024-12-06 03:18:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 03:18:38,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:38,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:38,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:38,263 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:18:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:38,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:38,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:18:38,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 03:18:39,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:18:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-12-06 03:18:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-12-06 03:18:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 03:18:41,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:41,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:41,388 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:41,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:18:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:41,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:41,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:18:41,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 03:18:41,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:18:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 65 states and 153 transitions. [2024-12-06 03:18:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 153 transitions. [2024-12-06 03:18:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 03:18:42,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:42,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:42,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:42,486 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:42,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:18:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:42,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:42,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:18:42,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 03:18:42,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:18:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 67 states and 158 transitions. [2024-12-06 03:18:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 158 transitions. [2024-12-06 03:18:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 03:18:44,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:44,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:44,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:44,992 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:44,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:18:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:45,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:45,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 03:18:45,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 69 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-06 03:18:46,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:18:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 70 states and 165 transitions. [2024-12-06 03:18:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 165 transitions. [2024-12-06 03:18:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 03:18:51,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:51,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:51,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:51,138 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:51,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:18:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:51,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:51,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 03:18:51,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 03:18:51,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:18:56,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 74 states and 178 transitions. [2024-12-06 03:18:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 178 transitions. [2024-12-06 03:18:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:18:56,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:56,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:56,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:56,551 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:56,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:18:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:56,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:56,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 03:18:56,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 03:18:57,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:19:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 180 transitions. [2024-12-06 03:19:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2024-12-06 03:19:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:19:01,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:01,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:01,439 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:01,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:19:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:01,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:19:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:02,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:19:02,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 41 proven. 48 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 03:19:03,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:19:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 204 transitions. [2024-12-06 03:19:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 204 transitions. [2024-12-06 03:19:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 03:19:10,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:10,993 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:10,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:19:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:11,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:19:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:11,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 03:19:11,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 23 proven. 48 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-06 03:19:12,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:19:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 85 states and 208 transitions. [2024-12-06 03:19:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2024-12-06 03:19:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 03:19:15,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:15,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:15,539 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:15,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:19:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:15,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:19:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:15,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:19:15,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-12-06 03:19:15,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:19:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 87 states and 211 transitions. [2024-12-06 03:19:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 211 transitions. [2024-12-06 03:19:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 03:19:16,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:16,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:16,675 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:16,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:19:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:19:16,866 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:19:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:19:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:19:17,356 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:19:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:19:17,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:19:17,613 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-12-06 03:19:17,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:19:17 ImpRootNode [2024-12-06 03:19:17,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:19:17,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:19:17,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:19:17,654 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:19:17,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:18:18" (3/4) ... [2024-12-06 03:19:17,656 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:19:17,716 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 52. [2024-12-06 03:19:17,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:19:17,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:19:17,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:19:17,801 INFO L158 Benchmark]: Toolchain (without parser) took 60050.27ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 48.7MB in the end (delta: 21.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-12-06 03:19:17,801 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:17,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.36ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:19:17,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:17,802 INFO L158 Benchmark]: Boogie Preprocessor took 16.00ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.1MB in the end (delta: 851.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:17,802 INFO L158 Benchmark]: RCFGBuilder took 292.98ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 41.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:19:17,803 INFO L158 Benchmark]: CodeCheck took 59385.10ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 55.5MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:17,803 INFO L158 Benchmark]: Witness Printer took 145.54ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 48.7MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:17,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 872 SdHoareTripleChecker+Valid, 65.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 60.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 2200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6395 IncrementalHoareTripleChecker+Invalid, 8595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2200 mSolverCounterUnsat, 393 mSDtfsCounter, 6395 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7369 GetRequests, 7049 SyntacticMatches, 134 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18259 ImplicationChecksByTransitivity, 41.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 873 ConstructedInterpolants, 0 QuantifiedInterpolants, 3120 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 2303/2772 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int A, B; [L24] unsigned int r, d, p, q; [L25] A = __VERIFIER_nondet_uint() [L26] B = __VERIFIER_nondet_uint() [L27] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L27] RET assume_abort_if_not(B >= 1) [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=-906661884, B=-1255776254, d=-1255776254, p=1, q=0, r=-906661884] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-906661884, B=-1255776254, d=-1255776254, p=1, q=0, r=-906661884] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-906661884, B=-1255776254, d=-1255776254, p=1, q=0, r=-906661884] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-906661884, B=-1255776254, d=-1255776254, p=1, q=0, r=-906661884] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=0, r=-906661884] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=0, r=-906661884] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=0, r=-906661884] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=0, r=-906661884] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L38] COND TRUE !(r >= d) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L46] CALL __VERIFIER_assert(d == B*p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L46] RET __VERIFIER_assert(d == B*p) VAL [A=-906661884, B=-1255776254, d=-728137720, p=4, q=0, r=-906661884] [L48] COND FALSE !(!(p != 1)) [L50] d = d / 2 [L51] p = p / 2 [L52] COND TRUE r >= d [L53] r = r - d [L54] q = q + p VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=2, r=1604890624] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=2, r=1604890624] [L46] CALL __VERIFIER_assert(d == B*p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L46] RET __VERIFIER_assert(d == B*p) VAL [A=-906661884, B=-1255776254, d=1783414788, p=2, q=2, r=1604890624] [L48] COND FALSE !(!(p != 1)) [L50] d = d / 2 [L51] p = p / 2 [L52] COND TRUE r >= d [L53] r = r - d [L54] q = q + p VAL [A=-906661884, B=-1255776254, d=891707394, p=1, q=3, r=713183230] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=0] [L15] COND TRUE !(cond) VAL [\old(cond)=0] [L17] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.36ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.00ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.1MB in the end (delta: 851.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.98ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 41.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 59385.10ms. Allocated memory is still 92.3MB. Free memory was 41.5MB in the beginning and 55.5MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 145.54ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 48.7MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:19:17,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f62f88-05e0-449b-9af1-d0d6a395e133/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE