./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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:15:18,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:18,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:15:18,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:18,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:18,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:18,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:18,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:18,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:18,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:18,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:18,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:18,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:18,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:18,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:18,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:18,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:18,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:18,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:18,603 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:18,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:18,604 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:15:18,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:18,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:18,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:18,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:18,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:18,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-25 02:15:21,802 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/a361bd561/2c7e20eac52a40dfb4507c83576861ba/FLAG4e0b95db4 [2024-11-25 02:15:22,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:15:22,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-25 02:15:22,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/a361bd561/2c7e20eac52a40dfb4507c83576861ba/FLAG4e0b95db4 [2024-11-25 02:15:22,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/a361bd561/2c7e20eac52a40dfb4507c83576861ba [2024-11-25 02:15:22,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:15:22,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:15:22,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:22,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:15:22,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:15:22,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de89cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22, skipping insertion in model container [2024-11-25 02:15:22,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:15:22,301 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-25 02:15:22,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:22,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:15:22,346 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-25 02:15:22,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:22,367 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:15:22,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22 WrapperNode [2024-11-25 02:15:22,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:22,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:22,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:15:22,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:15:22,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,392 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-25 02:15:22,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:22,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:15:22,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:15:22,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:15:22,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,403 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:15:22,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:15:22,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:15:22,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:15:22,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:22,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:15:22,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:15:22,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:15:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:15:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:15:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:15:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:15:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:15:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:15:22,552 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:15:22,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:15:22,760 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:15:22,760 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:15:22,836 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:15:22,836 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:15:22,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:22 BoogieIcfgContainer [2024-11-25 02:15:22,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:15:22,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:15:22,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:15:22,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:15:22,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:22" (1/1) ... [2024-11-25 02:15:22,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:15:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-25 02:15:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-25 02:15:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:15:22,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-11-25 02:15:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-11-25 02:15:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:15:23,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:23,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2024-11-25 02:15:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2024-11-25 02:15:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:15:23,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:23,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:15:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:23,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:15:23,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:15:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2024-11-25 02:15:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2024-11-25 02:15:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:15:24,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:24,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:15:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:24,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:15:24,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:15:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2024-11-25 02:15:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2024-11-25 02:15:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:15:25,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:15:58,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:15:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 33 states and 72 transitions. [2024-11-25 02:15:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-11-25 02:15:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:15:59,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:16:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 35 states and 76 transitions. [2024-11-25 02:16:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 76 transitions. [2024-11-25 02:16:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:16:00,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:00,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:16:00,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:16:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 39 states and 89 transitions. [2024-11-25 02:16:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 89 transitions. [2024-11-25 02:16:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:16:03,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:03,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:03,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:16:03,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:16:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 93 transitions. [2024-11-25 02:16:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2024-11-25 02:16:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:16:05,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:05,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:16:05,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:16:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 47 states and 111 transitions. [2024-11-25 02:16:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 111 transitions. [2024-11-25 02:16:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:16:07,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:07,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:16:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 50 states and 120 transitions. [2024-11-25 02:16:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 120 transitions. [2024-11-25 02:16:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:16:10,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:16:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 135 transitions. [2024-11-25 02:16:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 135 transitions. [2024-11-25 02:16:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:16:12,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:12,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:12,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 02:16:12,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:35,453 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:16:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 02:16:59,161 WARN L286 SmtUtils]: Spent 21.76s on a formula simplification. DAG size of input: 26 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:17:13,006 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:17:23,627 WARN L286 SmtUtils]: Spent 10.33s 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) [2024-11-25 02:17:45,115 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:17:56,428 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:18:16,630 WARN L286 SmtUtils]: Spent 20.11s on a formula simplification. DAG size of input: 27 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:18:46,885 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:18:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 61 states and 153 transitions. [2024-11-25 02:18:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 153 transitions. [2024-11-25 02:18:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:18:47,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-25 02:19:09,926 WARN L286 SmtUtils]: Spent 20.61s on a formula simplification. DAG size of input: 23 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:19:20,985 WARN L286 SmtUtils]: Spent 10.71s 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) [2024-11-25 02:19:31,167 WARN L286 SmtUtils]: Spent 10.02s 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) [2024-11-25 02:19:44,998 WARN L286 SmtUtils]: Spent 13.16s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:19:58,839 WARN L286 SmtUtils]: Spent 10.06s 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) [2024-11-25 02:20:19,690 WARN L286 SmtUtils]: Spent 10.11s 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) [2024-11-25 02:20:29,994 WARN L286 SmtUtils]: Spent 10.05s 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) [2024-11-25 02:20:42,599 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:20:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 63 states and 159 transitions. [2024-11-25 02:20:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 159 transitions. [2024-11-25 02:20:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:20:43,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:43,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:20:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:20:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:43,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:20:43,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:21:27,360 WARN L286 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 28 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:21:38,375 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:22:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:22:34,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 67 states and 171 transitions. [2024-11-25 02:22:34,316 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2024-11-25 02:22:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:22:34,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:22:34,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:22:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:22:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:22:40,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 02:22:40,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:23:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 38 proven. 19 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:23:24,207 WARN L286 SmtUtils]: Spent 20.30s on a formula simplification. DAG size of input: 30 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:23:35,475 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:24:19,330 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:24:44,420 WARN L286 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:24:54,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:24:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 71 states and 185 transitions. [2024-11-25 02:24:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 185 transitions. [2024-11-25 02:24:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:24:54,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:24:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:55,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 02:24:55,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:25:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 71 states and 185 transitions. [2024-11-25 02:25:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 185 transitions. [2024-11-25 02:25:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:25:16,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:25:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:16,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 02:25:16,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:25:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 71 states and 185 transitions. [2024-11-25 02:25:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 185 transitions. [2024-11-25 02:25:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:25:17,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:17,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:25:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:27,346 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:25:27,351 INFO L158 Benchmark]: Toolchain (without parser) took 605252.52ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 42.7MB in the end (delta: 50.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-25 02:25:27,351 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:25:27,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.95ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:25:27,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:25:27,352 INFO L158 Benchmark]: Boogie Preprocessor took 16.42ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.5MB in the end (delta: 890.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:25:27,353 INFO L158 Benchmark]: RCFGBuilder took 426.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 66.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:25:27,353 INFO L158 Benchmark]: CodeCheck took 604512.85ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 42.7MB in the end (delta: 23.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-25 02:25:27,355 INFO L338 ainManager$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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.95ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.42ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.5MB in the end (delta: 890.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 426.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 66.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 604512.85ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 42.7MB in the end (delta: 23.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:25:27,563 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:25:27,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:25:29,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:25:29,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:25:30,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:25:30,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:25:30,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:25:30,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:25:30,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:25:30,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:25:30,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:25:30,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:25:30,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:25:30,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:25:30,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:25:30,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:25:30,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:25:30,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:25:30,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:25:30,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:25:30,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:25:30,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:25:30,059 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:25:30,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:30,059 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:25:30,059 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:25:30,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:25:30,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:25:30,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:25:30,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:25:30,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:25:30,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-25 02:25:33,473 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/4ddf7466d/cd6db59ba80a4aaeab69cfa9b85c04fc/FLAG75bb1431e [2024-11-25 02:25:33,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:25:33,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-25 02:25:33,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/4ddf7466d/cd6db59ba80a4aaeab69cfa9b85c04fc/FLAG75bb1431e [2024-11-25 02:25:33,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/data/4ddf7466d/cd6db59ba80a4aaeab69cfa9b85c04fc [2024-11-25 02:25:33,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:25:33,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:25:33,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:25:33,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:25:33,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:25:33,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:25:33" (1/1) ... [2024-11-25 02:25:33,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df278d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:33, skipping insertion in model container [2024-11-25 02:25:33,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:25:33" (1/1) ... [2024-11-25 02:25:33,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:25:34,032 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-25 02:25:34,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:25:34,069 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:25:34,082 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_37ce3967-0b05-49ba-9f3a-d45d06fb370a/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-25 02:25:34,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:25:34,107 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:25:34,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34 WrapperNode [2024-11-25 02:25:34,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:25:34,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:25:34,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:25:34,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:25:34,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,143 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-25 02:25:34,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:25:34,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:25:34,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:25:34,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:25:34,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:25:34,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:25:34,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:25:34,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:25:34,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:25:34,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:25:34,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:25:34,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:25:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:25:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:25:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:25:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:25:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:25:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:25:34,335 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:25:34,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:25:34,547 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:25:34,547 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:25:34,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:25:34,642 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:25:34,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:25:34 BoogieIcfgContainer [2024-11-25 02:25:34,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:25:34,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:25:34,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:25:34,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:25:34,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:25:34" (1/1) ... [2024-11-25 02:25:34,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:25:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-25 02:25:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-25 02:25:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:25:34,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:34,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:34,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:34,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:34,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:25:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:34,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:34,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:25:34,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:25:35,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:25:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-11-25 02:25:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-11-25 02:25:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:25:35,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:35,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:35,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:25:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:35,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:35,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:25:35,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:25:35,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:25:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-11-25 02:25:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-11-25 02:25:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:25:35,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:35,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:35,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:25:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:35,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:35,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:25:35,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:25:36,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:25:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2024-11-25 02:25:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2024-11-25 02:25:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:25:37,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:37,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:37,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:37,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:25:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:37,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:37,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:25:37,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:25:37,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:25:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 66 transitions. [2024-11-25 02:25:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 66 transitions. [2024-11-25 02:25:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:25:37,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:37,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:37,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:37,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:37,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:25:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:37,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:37,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:25:37,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:25:38,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:25:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2024-11-25 02:25:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2024-11-25 02:25:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:25:40,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:40,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:40,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:40,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:25:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:40,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:40,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 02:25:40,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 02:25:40,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:25:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 86 transitions. [2024-11-25 02:25:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2024-11-25 02:25:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:25:43,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:43,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:43,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:43,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:43,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:25:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:43,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:43,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:25:43,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:25:43,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 02:25:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 95 transitions. [2024-11-25 02:25:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 95 transitions. [2024-11-25 02:25:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:25:44,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:44,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:44,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:44,933 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:44,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:25:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:44,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:45,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:25:45,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:25:45,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 02:25:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 45 states and 102 transitions. [2024-11-25 02:25:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 102 transitions. [2024-11-25 02:25:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:25:46,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:46,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:46,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:46,100 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:46,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:25:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:46,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:46,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:25:46,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:25:46,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:25:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2024-11-25 02:25:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2024-11-25 02:25:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:25:47,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:47,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:47,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:47,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:47,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:25:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:47,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:47,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:25:47,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-25 02:25:47,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:25:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 110 transitions. [2024-11-25 02:25:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 110 transitions. [2024-11-25 02:25:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:25:48,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:48,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:48,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:48,132 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:48,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:25:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:48,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:48,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:25:48,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:25:48,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:25:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 123 transitions. [2024-11-25 02:25:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 123 transitions. [2024-11-25 02:25:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:25:51,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:51,846 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:51,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:25:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:51,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:52,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:25:52,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:25:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:25:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 146 transitions. [2024-11-25 02:25:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 146 transitions. [2024-11-25 02:25:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:25:57,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:57,323 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:57,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:25:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:57,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:57,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:25:57,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 02:25:58,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-11-25 02:26:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-11-25 02:26:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:26:00,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:00,324 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:26:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:00,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:00,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:26:00,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-25 02:26:00,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 65 states and 153 transitions. [2024-11-25 02:26:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 153 transitions. [2024-11-25 02:26:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:26:01,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:01,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:01,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:01,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:01,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:26:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:01,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:01,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:26:01,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-25 02:26:01,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 67 states and 158 transitions. [2024-11-25 02:26:03,946 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 158 transitions. [2024-11-25 02:26:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:26:03,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:03,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:03,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:03,949 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:03,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:26:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:04,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:04,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:26:04,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 67 proven. 32 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-25 02:26:05,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 02:26:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 70 states and 165 transitions. [2024-11-25 02:26:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 165 transitions. [2024-11-25 02:26:09,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:26:09,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:09,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:09,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:09,704 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:09,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:26:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:09,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:09,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:26:09,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 40 proven. 75 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 02:26:10,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:26:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 74 states and 178 transitions. [2024-11-25 02:26:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 178 transitions. [2024-11-25 02:26:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 02:26:14,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:14,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:14,517 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:14,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:26:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:14,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:14,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:26:14,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-25 02:26:15,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:26:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 180 transitions. [2024-11-25 02:26:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2024-11-25 02:26:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 02:26:18,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:18,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:18,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:18,558 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:26:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:18,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:18,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:26:18,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 61 proven. 46 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 02:26:20,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 204 transitions. [2024-11-25 02:26:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 204 transitions. [2024-11-25 02:26:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 02:26:26,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:26,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:26,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:26,690 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:26,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:26:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:26,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:26,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:26:26,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 23 proven. 48 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 02:26:28,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:26:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 85 states and 208 transitions. [2024-11-25 02:26:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2024-11-25 02:26:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 02:26:30,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:30,435 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:26:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:30,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:30,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:26:30,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-25 02:26:30,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 87 states and 211 transitions. [2024-11-25 02:26:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 211 transitions. [2024-11-25 02:26:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 02:26:31,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:31,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:31,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:31,637 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:31,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:26:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:26:31,839 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:26:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:26:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:26:32,297 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:26:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:26:32,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:26:32,475 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-11-25 02:26:32,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:26:32 ImpRootNode [2024-11-25 02:26:32,536 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:26:32,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:26:32,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:26:32,537 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:26:32,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:25:34" (3/4) ... [2024-11-25 02:26:32,539 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:26:32,597 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 52. [2024-11-25 02:26:32,688 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:26:32,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:26:32,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:26:32,690 INFO L158 Benchmark]: Toolchain (without parser) took 58860.72ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 61.7MB in the beginning and 82.6MB in the end (delta: -20.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-25 02:26:32,690 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:26:32,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.60ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:26:32,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:26:32,691 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.9MB in the end (delta: 797.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:26:32,691 INFO L158 Benchmark]: RCFGBuilder took 467.44ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 33.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:26:32,692 INFO L158 Benchmark]: CodeCheck took 57892.81ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 33.1MB in the beginning and 89.2MB in the end (delta: -56.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-25 02:26:32,692 INFO L158 Benchmark]: Witness Printer took 152.08ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 82.6MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:26:32,694 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: 57.8s, 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, 65.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 59.7s 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, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7372 GetRequests, 7051 SyntacticMatches, 133 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18800 ImplicationChecksByTransitivity, 40.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 873 ConstructedInterpolants, 0 QuantifiedInterpolants, 3091 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 251 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 2287/2772 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=-1023377407, B=-1290780663, d=-1290780663, p=1, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-1290780663, p=1, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-1290780663, p=1, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-1290780663, p=1, q=0, r=-1023377407] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-1023377407, B=-1290780663, d=1713405970, p=2, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=0, r=-1023377407] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [L38] COND TRUE !(r >= d) VAL [A=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=-868155356, p=4, q=0, r=-1023377407] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=2, r=1558183919] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=2, r=1558183919] [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=-1023377407, B=-1290780663, d=1713405970, p=2, q=2, r=1558183919] [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=-1023377407, B=-1290780663, d=856702985, p=1, q=3, r=701480934] [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 0.45ms. Allocated memory is still 83.9MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.60ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.9MB in the end (delta: 797.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.44ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 33.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 57892.81ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 33.1MB in the beginning and 89.2MB in the end (delta: -56.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 152.08ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 82.6MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:26:32,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ce3967-0b05-49ba-9f3a-d45d06fb370a/bin/ukojak-verify-ENZ3QT5qd3/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