./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps5-ll.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_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/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_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/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_20a034ed-0cac-4d76-a017-242122816dcf/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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:03:41,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:03:41,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:03:41,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:03:41,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:03:41,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:03:41,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:03:41,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:03:41,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:03:41,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:03:41,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:03:41,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:03:41,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:03:41,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:03:41,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:03:41,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:03:41,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:03:41,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:03:41,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:03:41,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:03:41,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:03:41,230 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_20a034ed-0cac-4d76-a017-242122816dcf/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 -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-11-13 22:03:41,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:03:41,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:03:41,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:03:41,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:03:41,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:03:41,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/ps5-ll.c Unable to find full path for "g++" [2024-11-13 22:03:43,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:03:43,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:03:43,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-13 22:03:43,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/7ee075c45/a43bc1d2cfd445a8ae862a2c9ea517a6/FLAG6760f1122 [2024-11-13 22:03:43,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/7ee075c45/a43bc1d2cfd445a8ae862a2c9ea517a6 [2024-11-13 22:03:43,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:03:43,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:03:43,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:03:43,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:03:43,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:03:43,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:43,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6210fd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43, skipping insertion in model container [2024-11-13 22:03:43,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:43,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:03:43,914 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_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-13 22:03:43,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:03:43,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:03:43,952 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_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-13 22:03:43,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:03:43,977 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:03:43,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43 WrapperNode [2024-11-13 22:03:43,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:03:43,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:03:43,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:03:43,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:03:43,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:43,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,014 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-13 22:03:44,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:03:44,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:03:44,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:03:44,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:03:44,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:03:44,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:03:44,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:03:44,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:03:44,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:43" (1/1) ... [2024-11-13 22:03:44,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:03:44,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:03:44,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:03:44,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:03:44,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:03:44,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:03:44,321 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:03:44,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:03:44,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:03:44,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:03:44,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:03:44 BoogieIcfgContainer [2024-11-13 22:03:44,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:03:44,357 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:03:44,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:03:44,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:03:44,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:03:44" (1/1) ... [2024-11-13 22:03:44,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:03:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:03:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:03:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:03:44,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:44,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:03:44,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:44,719 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 22:03:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:03:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:03:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:03:44,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:44,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:45,247 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 22:03:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 22:03:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 22:03:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:03:45,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:45,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:45,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:03:45,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:45,855 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 22:03:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:03:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:03:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:03:46,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:46,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:46,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:03:46,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:03:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 22:03:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:03:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:03:46,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:46,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:03:46,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:03:49,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:03:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 22:03:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 22:03:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:03:49,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:49,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:49,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:03:49,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:03:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-13 22:03:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 22:03:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:03:50,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:03:51,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:51,237 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 22:03:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-13 22:03:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-13 22:03:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:03:51,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:03:51,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:03:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2024-11-13 22:03:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-13 22:03:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:03:52,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:53,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:03:53,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:03:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-11-13 22:03:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-11-13 22:03:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:03:54,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:54,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:03:54,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:03:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-11-13 22:03:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-11-13 22:03:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:03:55,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:55,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:03:59,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:04:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2024-11-13 22:04:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2024-11-13 22:04:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:04:00,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:04:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2024-11-13 22:04:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2024-11-13 22:04:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:04:02,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:12,895 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 22:04:12,900 INFO L158 Benchmark]: Toolchain (without parser) took 29146.39ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 68.4MB in the end (delta: 50.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:12,901 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:12,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.30ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:12,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.23ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:12,903 INFO L158 Benchmark]: Boogie Preprocessor took 17.93ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.2MB in the end (delta: 505.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:12,903 INFO L158 Benchmark]: RCFGBuilder took 323.05ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 93.4MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:12,904 INFO L158 Benchmark]: CodeCheck took 28542.20ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 68.4MB in the end (delta: 25.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-13 22:04:12,906 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.30ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.23ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.93ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.2MB in the end (delta: 505.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.05ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 93.4MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 28542.20ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 68.4MB in the end (delta: 25.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:04:12,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/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_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/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_20a034ed-0cac-4d76-a017-242122816dcf/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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:16,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:16,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:04:16,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:16,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:16,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:16,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:16,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:16,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:16,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:16,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:04:16,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:04:16,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:04:16,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:16,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:04:16,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:04:16,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:16,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:16,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:16,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:16,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:16,282 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:04:16,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:16,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:16,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:16,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:16,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:16,283 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:04:16,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,284 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:04:16,284 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_20a034ed-0cac-4d76-a017-242122816dcf/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 -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-11-13 22:04:16,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:16,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:16,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:16,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:16,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:16,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/ps5-ll.c Unable to find full path for "g++" [2024-11-13 22:04:18,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:19,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:19,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-13 22:04:19,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/bad957ce5/e98b8903ab2648d2aed851f313897d62/FLAG1f31efbfd [2024-11-13 22:04:19,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/data/bad957ce5/e98b8903ab2648d2aed851f313897d62 [2024-11-13 22:04:19,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:19,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:19,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:19,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:19,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:19,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217d02f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19, skipping insertion in model container [2024-11-13 22:04:19,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:19,560 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_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-13 22:04:19,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:19,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:19,630 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_20a034ed-0cac-4d76-a017-242122816dcf/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-13 22:04:19,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:19,672 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:19,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19 WrapperNode [2024-11-13 22:04:19,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:19,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:19,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:19,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:19,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,718 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 22:04:19,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:19,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:19,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:19,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:19,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:19,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:19,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:19,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:19,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:19,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:04:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:04:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:04:19,917 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:19,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:20,213 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:20,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:20,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:20,275 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:04:20,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:20 BoogieIcfgContainer [2024-11-13 22:04:20,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:20,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:20,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:20,291 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:20,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:20" (1/1) ... [2024-11-13 22:04:20,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:04:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:04:20,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:04:20,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:04:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,424 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 22:04:21,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:04:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:04:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:04:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:04:23,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:04:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,173 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 22:04:36,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:04:42,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:05:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:05:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:05:01,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,584 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:05:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:04,409 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 22:05:04,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:05:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-13 22:05:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 22:05:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:05:42,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:42,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:42,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:42,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:42,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:05:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:43,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:43,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:05:43,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:05:45,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:06:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-13 22:06:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-13 22:06:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:06:34,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:34,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:34,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:34,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:34,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:06:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:35,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:06:36,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:37,642 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 22:06:37,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:07:26,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-13 22:07:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 22:07:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:07:29,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:29,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:29,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:07:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:30,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:30,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:07:30,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:07:34,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:08:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2024-11-13 22:08:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2024-11-13 22:08:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:08:52,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:52,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:52,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:52,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:08:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:54,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:55,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:08:55,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:08:58,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:09:38,777 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:09:59,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 22:10:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 22:10:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:10:02,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:02,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:02,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:02,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:10:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:04,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:04,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:10:04,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:10:08,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:11:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-13 22:11:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-13 22:11:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:11:43,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:43,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:43,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:43,076 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:43,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:11:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:45,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:46,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:11:46,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:49,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:12:12,452 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:12:45,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-13 22:13:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-13 22:13:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:13:14,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:14,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:14,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:13:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:16,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:17,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:13:17,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:13:22,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:15:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 22:15:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 22:15:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:15:03,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:03,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:03,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:03,752 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:03,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:15:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:06,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:08,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:15:08,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:11,834 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 22:15:11,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:15:37,145 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:16:08,524 WARN L286 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:16:39,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:16:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-13 22:16:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-13 22:16:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:16:42,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:42,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:16:42,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:16:42,691 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:16:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:16:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:45,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:46,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:16:46,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:16:57,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a034ed-0cac-4d76-a017-242122816dcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:18:10,065 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:18:55,186 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)