./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:46,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:47,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:39:47,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:39:47,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:39:47,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:47,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:47,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:47,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:47,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:47,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:47,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:47,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:39:47,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:39:47,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:39:47,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:47,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:47,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:47,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:47,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:47,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:47,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:47,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:47,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:47,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:47,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:39:47,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:39:47,053 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2024-11-13 16:39:47,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:47,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:47,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:47,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:47,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:47,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 16:39:49,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:49,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:49,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-13 16:39:49,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/60066840e/371e1ea7920941999fe4192075d97f35/FLAGa12299077 [2024-11-13 16:39:49,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/60066840e/371e1ea7920941999fe4192075d97f35 [2024-11-13 16:39:49,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:49,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:49,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:49,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:49,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:49,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f63a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49, skipping insertion in model container [2024-11-13 16:39:49,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:49,823 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-13 16:39:49,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:49,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:49,865 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-13 16:39:49,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:49,891 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:49,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49 WrapperNode [2024-11-13 16:39:49,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:49,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:49,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:49,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:49,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,929 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 16:39:49,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:49,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:49,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:49,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:49,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:49,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:49,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:49,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:49,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:49" (1/1) ... [2024-11-13 16:39:49,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:49,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:49,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:39:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:39:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:39:50,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:50,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:50,254 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:50,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:50,318 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:50,319 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:39:50,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:50 BoogieIcfgContainer [2024-11-13 16:39:50,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:50,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:50,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:50,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:50,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:50" (1/1) ... [2024-11-13 16:39:50,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 16:39:50,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 16:39:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:39:50,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:50,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:39:50,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 16:39:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 16:39:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:39:50,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:50,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 16:39:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 16:39:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:39:51,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:51,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:39:51,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 16:39:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 16:39:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:39:51,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:52,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:39:52,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 16:39:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 16:39:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:39:52,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:52,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:52,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:39:52,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:39:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 16:39:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 16:39:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:39:53,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:53,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:39:53,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:39:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 16:39:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 16:39:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 16:39:53,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:54,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:39:54,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:39:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 16:39:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 16:39:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 16:39:55,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:55,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:39:55,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:39:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-13 16:39:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-13 16:39:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:39:55,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:56,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 16:39:56,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 16:39:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-13 16:39:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-13 16:39:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 16:39:57,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:57,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:39:57,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:39:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 16:39:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 16:39:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 16:39:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 16:39:59,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:40:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:00,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:40:00,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 16:40:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-13 16:40:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-13 16:40:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 16:40:01,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:01,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:40:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:02,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:40:02,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 16:40:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2024-11-13 16:40:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-13 16:40:03,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 16:40:03,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:03,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:40:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:07,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:40:07,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 16:40:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-13 16:40:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-13 16:40:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 16:40:08,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:40:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:40:18,837 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:40:18,843 INFO L158 Benchmark]: Toolchain (without parser) took 29254.27ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 119.7MB in the beginning and 153.8MB in the end (delta: -34.1MB). Peak memory consumption was 231.9MB. Max. memory is 16.1GB. [2024-11-13 16:40:18,844 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:18,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.40ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:18,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.37ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:18,845 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 818.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:18,845 INFO L158 Benchmark]: RCFGBuilder took 367.52ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.8MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:18,846 INFO L158 Benchmark]: CodeCheck took 28518.32ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 94.8MB in the beginning and 153.8MB in the end (delta: -59.0MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. [2024-11-13 16:40:18,848 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 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.40ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.37ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 818.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.52ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.8MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 28518.32ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 94.8MB in the beginning and 153.8MB in the end (delta: -59.0MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:40:18,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:21,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:21,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:40:22,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:22,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:22,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:22,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:22,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:22,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:22,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:22,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:40:22,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:40:22,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:22,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:22,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:22,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:22,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:40:22,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:40:22,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:22,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:40:22,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:40:22,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:22,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:22,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:22,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:22,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:22,038 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:22,038 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:40:22,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:22,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:22,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:22,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:22,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:22,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:40:22,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:22,039 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:40:22,039 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2024-11-13 16:40:22,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:22,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:22,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:22,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:22,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:22,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 16:40:24,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:24,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:24,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-13 16:40:24,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/08bd98f5a/4f7b23d4b5704768bbca2a8b3d34a0f9/FLAG225e84090 [2024-11-13 16:40:24,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/data/08bd98f5a/4f7b23d4b5704768bbca2a8b3d34a0f9 [2024-11-13 16:40:24,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:24,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:24,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:24,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:24,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:24,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cff1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24, skipping insertion in model container [2024-11-13 16:40:24,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:24,839 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-13 16:40:24,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:24,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:24,900 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_66f33249-6530-4ac0-a61a-04d5a5437bc0/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-13 16:40:24,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:24,935 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:24,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24 WrapperNode [2024-11-13 16:40:24,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:24,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:24,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:24,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:24,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,977 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-13 16:40:24,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:24,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:24,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:24,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:24,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:24,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:25,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:25,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:25,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:25,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:25,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:25,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:40:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:40:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:40:25,195 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:25,197 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:25,428 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:25,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:25,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:25,499 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:40:25,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:25 BoogieIcfgContainer [2024-11-13 16:40:25,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:25,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:25,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:25,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:25,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:25" (1/1) ... [2024-11-13 16:40:25,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 16:40:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 16:40:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:40:25,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:25,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:25,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:25,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:25,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:40:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:25,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:25,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:40:25,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:26,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:40:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 16:40:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 16:40:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:40:27,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:27,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:27,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:40:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:27,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:27,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:40:27,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:32,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:40:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 16:40:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 16:40:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:40:41,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:41,863 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:41,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:40:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:42,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:42,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:40:42,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:42,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:40:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-13 16:40:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-13 16:40:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:40:57,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:57,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:57,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:57,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:40:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:57,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:58,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:40:58,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:40:58,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:41:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 16:41:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 16:41:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:41:15,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:15,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:15,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:15,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:41:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:16,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:16,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:41:16,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:41:17,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:41:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 16:41:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 16:41:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:41:37,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:37,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:37,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:37,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:41:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:37,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:38,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:41:38,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 38 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:41:39,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:42:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2024-11-13 16:42:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-11-13 16:42:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 16:42:04,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:04,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:04,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:04,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:04,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:42:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:04,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:04,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 16:42:04,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 16:42:05,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:42:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-13 16:42:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 16:42:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 16:42:34,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:34,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:34,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:42:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:34,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:34,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:42:34,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 19 proven. 74 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 16:42:36,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 16:43:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-11-13 16:43:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-13 16:43:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:43:08,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:08,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:08,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:08,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:08,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:43:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:08,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:09,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:43:09,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 27 proven. 94 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 16:43:10,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 16:43:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-13 16:43:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-13 16:43:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 16:43:46,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:46,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:46,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:46,096 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:46,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:43:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:46,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:46,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:43:46,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 29 proven. 123 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 16:43:49,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 16:44:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2024-11-13 16:44:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2024-11-13 16:44:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 16:44:30,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:30,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:30,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:30,176 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:30,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:44:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:30,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:30,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 16:44:30,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 31 proven. 155 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-13 16:44:33,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:45:06,417 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:45:23,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2024-11-13 16:45:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-13 16:45:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 16:45:23,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:23,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:23,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:45:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:23,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:24,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:45:24,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 33 proven. 190 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 16:45:27,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:46:02,247 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:46:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2024-11-13 16:46:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-11-13 16:46:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 16:46:22,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:22,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:22,297 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:22,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:46:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:22,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:23,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 16:46:23,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 35 proven. 228 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 16:46:26,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:43,576 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:47:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2024-11-13 16:47:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-13 16:47:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 16:47:27,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:27,907 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:27,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 16:47:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:27,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:28,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 16:47:28,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 52 proven. 254 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-13 16:47:33,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:51,135 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:18,004 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2024-11-13 16:48:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2024-11-13 16:48:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 16:48:46,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:46,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:46,914 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:46,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 16:48:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:46,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:48,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 16:48:48,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 39 proven. 313 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-13 16:48:52,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 16:49:14,507 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:49:45,279 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:50:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2024-11-13 16:50:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2024-11-13 16:50:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 16:50:17,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:17,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:17,766 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:17,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 16:50:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:17,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:19,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 16:50:19,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 90 proven. 359 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-13 16:50:25,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 16:50:52,247 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:51:21,749 WARN L286 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:51:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2024-11-13 16:51:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-13 16:51:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 16:51:51,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:51,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:51,610 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 16:51:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:51,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:52,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 16:51:52,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 104 proven. 403 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-13 16:51:59,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 16:52:22,681 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:52:53,239 WARN L286 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:28,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-11-13 16:53:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-13 16:53:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 16:53:28,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:28,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:28,015 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:28,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 16:53:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:28,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:29,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 16:53:29,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 69 proven. 439 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-13 16:53:36,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66f33249-6530-4ac0-a61a-04d5a5437bc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 16:54:03,153 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:38,231 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)