./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.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_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/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_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/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_4a924f94-98be-49bd-8091-648a61fbe014/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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:42,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:42,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:19:42,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:42,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:42,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:42,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:42,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:42,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:42,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:42,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:42,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:42,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:19:42,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:42,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:19:42,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:42,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:42,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:42,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:42,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:42,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:42,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:42,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:42,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:42,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:42,998 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:42,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:42,998 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_4a924f94-98be-49bd-8091-648a61fbe014/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 -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-11-13 22:19:43,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:43,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:43,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:43,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:43,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:43,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c Unable to find full path for "g++" [2024-11-13 22:19:45,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:45,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:45,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-11-13 22:19:45,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/5470437df/ce8a7ff4159b4546955414e2fea7a61d/FLAG150d68f36 [2024-11-13 22:19:45,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/5470437df/ce8a7ff4159b4546955414e2fea7a61d [2024-11-13 22:19:45,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:45,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:45,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:45,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:45,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:45,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:45" (1/1) ... [2024-11-13 22:19:45,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6450dc5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:45, skipping insertion in model container [2024-11-13 22:19:45,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:45" (1/1) ... [2024-11-13 22:19:45,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:45,924 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_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-13 22:19:45,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:45,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:45,982 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_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-13 22:19:45,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:46,016 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:46,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46 WrapperNode [2024-11-13 22:19:46,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:46,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:46,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:46,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:46,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,058 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 22:19:46,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:46,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:46,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:46,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:46,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:46,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:46,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:46,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:46,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:46,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:46,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:46,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:19:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:19:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:19:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:19:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:19:46,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:46,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:46,425 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:46,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:46,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:46,456 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:19:46,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:46 BoogieIcfgContainer [2024-11-13 22:19:46,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:46,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:46,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:46,472 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:46,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:46" (1/1) ... [2024-11-13 22:19:46,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 22:19:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:19:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:19:46,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:46,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:46,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:19:46,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:19:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-13 22:19:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 22:19:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:19:47,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:57,522 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:19:57,527 INFO L158 Benchmark]: Toolchain (without parser) took 11798.49ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 47.1MB in the end (delta: 56.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:19:57,528 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:57,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.35ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 92.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:19:57,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.82ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:57,532 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 90.5MB in the end (delta: 698.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:57,532 INFO L158 Benchmark]: RCFGBuilder took 363.75ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:19:57,533 INFO L158 Benchmark]: CodeCheck took 11068.66ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 47.1MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:19:57,540 INFO L338 ainManager$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 1.00ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.35ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 92.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.82ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 90.5MB in the end (delta: 698.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.75ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11068.66ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 47.1MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:19:57,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/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_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/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_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/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_4a924f94-98be-49bd-8091-648a61fbe014/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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:00,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:01,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:20:01,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:01,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:01,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:01,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:01,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:01,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:01,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:01,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:01,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:01,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:01,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:01,041 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:01,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:20:01,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:01,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:01,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:01,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:01,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:01,042 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:20:01,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:01,042 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:20:01,042 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_4a924f94-98be-49bd-8091-648a61fbe014/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 -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-11-13 22:20:01,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:01,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:01,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:01,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:01,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:01,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c Unable to find full path for "g++" [2024-11-13 22:20:03,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:03,663 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:20:03,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:03,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-11-13 22:20:03,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/318794d1b/8205ff492c8d415eac1aeafb3b7ac774/FLAG5c9f00e5e [2024-11-13 22:20:03,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/data/318794d1b/8205ff492c8d415eac1aeafb3b7ac774 [2024-11-13 22:20:03,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:03,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:03,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:03,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:04,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:04,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:03" (1/1) ... [2024-11-13 22:20:04,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9abce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04, skipping insertion in model container [2024-11-13 22:20:04,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:03" (1/1) ... [2024-11-13 22:20:04,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:04,220 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_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-13 22:20:04,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:04,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:04,298 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_4a924f94-98be-49bd-8091-648a61fbe014/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-13 22:20:04,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:04,338 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:04,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04 WrapperNode [2024-11-13 22:20:04,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:04,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:04,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:04,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:04,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,383 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 22:20:04,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:04,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:04,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:04,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:04,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:04,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:04,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:04,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:04,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:04,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:04,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:20:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:20:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:20:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:20:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:20:04,540 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:04,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:04,763 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:04,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:04,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:04,823 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:20:04,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:04 BoogieIcfgContainer [2024-11-13 22:20:04,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:04,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:04,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:04,838 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:04,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:04" (1/1) ... [2024-11-13 22:20:04,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 22:20:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:20:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:20:04,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:04,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:04,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:04,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:20:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:05,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:05,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:20:05,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:20:06,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:20:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-13 22:20:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 22:20:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:20:07,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:07,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:07,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:20:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:07,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:07,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:20:07,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:20:08,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:20:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 69 transitions. [2024-11-13 22:20:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-13 22:20:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:20:10,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:10,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:10,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:20:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:10,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:10,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:20:10,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 22:20:12,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:20:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:14,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-13 22:20:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-13 22:20:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:20:14,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:14,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:14,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:14,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:20:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:14,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:14,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:20:14,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:20:14,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:20:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-13 22:20:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-13 22:20:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:20:15,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:15,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:15,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:20:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:15,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:15,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:20:15,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 22:20:18,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:20:31,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-13 22:20:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-13 22:20:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:20:31,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:31,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:31,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:31,710 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:20:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:31,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:32,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:20:32,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:20:33,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:20:46,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-13 22:20:52,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-13 22:20:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:20:52,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:52,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:52,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:52,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:20:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:52,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:52,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:20:52,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:20:53,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:21:04,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:14,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:28,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-13 22:21:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-13 22:21:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:21:29,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:29,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:29,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:29,090 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:29,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:21:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:29,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:29,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:21:29,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 22:21:30,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:21:46,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:56,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 102 transitions. [2024-11-13 22:21:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-13 22:21:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:21:57,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:57,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:57,690 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:57,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:21:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:57,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:58,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:21:58,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:22:00,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:22:14,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:22:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 108 transitions. [2024-11-13 22:22:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2024-11-13 22:22:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:22:20,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:20,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:20,988 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:20,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:22:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:21,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:21,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:22:21,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 22:22:21,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:22:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 119 transitions. [2024-11-13 22:22:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2024-11-13 22:22:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:22:30,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:30,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:30,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:30,958 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:22:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:22:31,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:22:32,348 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:22:32,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:22:55,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:05,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 123 transitions. [2024-11-13 22:23:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2024-11-13 22:23:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:23:06,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:06,456 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:23:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:06,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:06,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:23:06,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 22:23:09,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:23:26,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:37,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 129 transitions. [2024-11-13 22:23:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2024-11-13 22:23:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:23:38,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:38,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:38,932 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:23:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:39,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:39,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:23:39,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:23:44,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:24:03,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:16,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 136 transitions. [2024-11-13 22:24:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2024-11-13 22:24:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:24:19,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:19,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:19,114 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:19,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:24:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:19,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:19,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:24:19,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:24:24,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:24:41,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:58,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 80 states and 142 transitions. [2024-11-13 22:25:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2024-11-13 22:25:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 22:25:01,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:01,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:01,249 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:25:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:01,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:01,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:25:01,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 22:25:04,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:25:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 84 states and 150 transitions. [2024-11-13 22:25:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2024-11-13 22:25:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 22:25:12,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:12,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:12,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:12,512 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:12,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:25:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:12,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:12,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:25:12,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 22:25:16,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:25:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 91 states and 161 transitions. [2024-11-13 22:25:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2024-11-13 22:25:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:25:30,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:30,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:30,806 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:30,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:25:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:30,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:30,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:25:30,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 22:25:32,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:26:17,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:26:30,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:26:56,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:26:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 94 states and 170 transitions. [2024-11-13 22:26:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 170 transitions. [2024-11-13 22:26:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:26:56,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:56,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:56,955 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:26:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:57,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:57,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 22:26:57,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 19 proven. 24 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 22:27:01,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:27:21,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:27:32,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:27:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 97 states and 176 transitions. [2024-11-13 22:27:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 176 transitions. [2024-11-13 22:27:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:27:34,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:34,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:34,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:34,174 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:34,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:27:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:34,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:34,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:27:34,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 22:27:42,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:28:02,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:28:14,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:28:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 100 states and 183 transitions. [2024-11-13 22:28:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 183 transitions. [2024-11-13 22:28:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:28:17,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:17,028 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:28:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:17,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:17,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:28:17,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 22:28:24,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:28:48,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:29:02,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:29:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 103 states and 190 transitions. [2024-11-13 22:29:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2024-11-13 22:29:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:29:07,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:07,677 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:07,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:29:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:07,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:08,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:29:08,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 22:29:14,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:29:33,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:29:58,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:30:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 106 states and 197 transitions. [2024-11-13 22:30:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2024-11-13 22:30:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 22:30:01,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:01,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:01,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:01,858 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:01,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:30:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:01,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:01,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:30:01,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 22:30:02,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:30:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 106 states and 196 transitions. [2024-11-13 22:30:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 196 transitions. [2024-11-13 22:30:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 22:30:04,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:04,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:04,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:04,164 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:04,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:30:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:04,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:04,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:30:04,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 22:30:04,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:30:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 106 states and 195 transitions. [2024-11-13 22:30:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2024-11-13 22:30:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:30:07,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:07,109 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:07,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:30:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:07,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:07,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:30:07,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 22:30:14,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:30:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 110 states and 203 transitions. [2024-11-13 22:30:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2024-11-13 22:30:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:30:28,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:28,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:28,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:28,054 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:28,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:30:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:28,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:28,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:30:28,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 22:30:35,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:30:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 114 states and 210 transitions. [2024-11-13 22:30:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2024-11-13 22:30:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:30:58,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:58,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:58,452 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:58,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:30:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:58,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:58,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:30:58,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 22:31:08,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:31:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 121 states and 221 transitions. [2024-11-13 22:31:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 221 transitions. [2024-11-13 22:31:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:31:44,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:44,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:44,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:31:44,355 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:31:44,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:31:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:44,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:31:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:44,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:31:44,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 22:31:50,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:32:24,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:32:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 123 states and 224 transitions. [2024-11-13 22:32:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2024-11-13 22:32:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:32:27,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:27,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:27,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:27,305 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:32:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:27,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:27,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:32:27,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 22:32:28,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:32:48,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:32:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 125 states and 229 transitions. [2024-11-13 22:32:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2024-11-13 22:32:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:32:50,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:50,236 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:32:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:50,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:50,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:32:50,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 22:32:56,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 22:33:20,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:31,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 128 states and 235 transitions. [2024-11-13 22:33:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 235 transitions. [2024-11-13 22:33:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:33:34,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:34,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:34,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:34,048 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:34,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:33:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:34,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:34,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 22:33:34,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 27 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 22:33:41,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 22:34:06,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:34:17,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:34:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 242 transitions. [2024-11-13 22:34:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2024-11-13 22:34:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:34:21,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:21,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:34:21,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:34:21,719 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:34:21,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:34:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:22,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:34:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:22,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 22:34:22,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 22:34:37,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a924f94-98be-49bd-8091-648a61fbe014/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:34:49,772 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 87 DAG size of output: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)