./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk --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 b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:19,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:19,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:44:19,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:19,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:19,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:19,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:19,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:19,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:19,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:19,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:19,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:19,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:19,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:19,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:19,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:19,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:19,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:19,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:19,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:19,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:19,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:19,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:19,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:19,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:19,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:19,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:19,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:19,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:19,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:19,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:19,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:19,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:19,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-11-08 23:44:19,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:19,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:19,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:19,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:19,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:19,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c Unable to find full path for "g++" [2024-11-08 23:44:21,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:21,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:21,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-11-08 23:44:21,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/6d4254762/5847987dd65b49d2918398529771c805/FLAG4b1139baf [2024-11-08 23:44:22,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/6d4254762/5847987dd65b49d2918398529771c805 [2024-11-08 23:44:22,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:22,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:22,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:22,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:22,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:22,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2022d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22, skipping insertion in model container [2024-11-08 23:44:22,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:22,410 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_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-08 23:44:22,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:22,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:22,467 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_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-08 23:44:22,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:22,495 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:22,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22 WrapperNode [2024-11-08 23:44:22,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:22,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:22,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:22,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:22,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,534 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-08 23:44:22,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:22,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:22,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:22,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:22,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:22,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:22,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:22,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:22,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:22" (1/1) ... [2024-11-08 23:44:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:22,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:22,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:44:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:44:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:44:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:44:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:44:22,740 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:22,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:23,032 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:23,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:23,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:23,122 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 23:44:23,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:23 BoogieIcfgContainer [2024-11-08 23:44:23,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:23,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:23,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:23,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:23,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:23" (1/1) ... [2024-11-08 23:44:23,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-08 23:44:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 23:44:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:44:23,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:23,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:23,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:44:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-08 23:44:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 23:44:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:24,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:34,162 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) [2024-11-08 23:44:34,165 INFO L158 Benchmark]: Toolchain (without parser) took 11989.51ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 75.8MB in the beginning and 98.5MB in the end (delta: -22.7MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-08 23:44:34,166 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:34,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.35ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 62.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:34,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:34,168 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 111.1MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:34,169 INFO L158 Benchmark]: RCFGBuilder took 553.85ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 59.8MB in the beginning and 130.0MB in the end (delta: -70.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-08 23:44:34,170 INFO L158 Benchmark]: CodeCheck took 11032.90ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 98.5MB in the end (delta: 31.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-08 23:44:34,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.35ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 62.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 111.1MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 553.85ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 59.8MB in the beginning and 130.0MB in the end (delta: -70.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 11032.90ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 98.5MB in the end (delta: 31.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:44:34,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk --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 b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:36,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:36,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:44:36,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:36,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:36,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:36,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:36,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:36,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:36,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:36,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:36,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:36,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:36,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:36,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:36,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:36,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:36,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:36,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:36,854 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:36,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:36,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:36,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:36,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:36,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:36,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:36,859 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:36,859 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:36,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:36,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:36,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:36,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:36,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:36,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:36,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:36,864 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:36,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-11-08 23:44:37,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:37,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:37,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:37,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:37,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:37,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c Unable to find full path for "g++" [2024-11-08 23:44:39,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:39,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:39,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-11-08 23:44:39,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/93ced873f/407fbeb0ca794bbfb1e6bd8167d8b0a2/FLAG33aa3ea37 [2024-11-08 23:44:39,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/data/93ced873f/407fbeb0ca794bbfb1e6bd8167d8b0a2 [2024-11-08 23:44:39,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:39,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:39,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:39,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:39,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:39,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:39" (1/1) ... [2024-11-08 23:44:39,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499f5f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:39, skipping insertion in model container [2024-11-08 23:44:39,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:39" (1/1) ... [2024-11-08 23:44:39,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:40,192 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_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-08 23:44:40,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:40,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:40,254 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_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-11-08 23:44:40,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:40,302 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:40,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40 WrapperNode [2024-11-08 23:44:40,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:40,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:40,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:40,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:40,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,341 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-08 23:44:40,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:40,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:40,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:40,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:40,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:40,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:40,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:40,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:40,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:40,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:44:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:44:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:44:40,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:40,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:40,847 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:40,847 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:40,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:40,925 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 23:44:40,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:40 BoogieIcfgContainer [2024-11-08 23:44:40,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:40,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:40,929 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:40,941 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:40,941 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:40" (1/1) ... [2024-11-08 23:44:40,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-08 23:44:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 23:44:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:44:41,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:41,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:41,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:41,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:41,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:41,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:44:41,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:44:42,019 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:44:42,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-08 23:44:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 23:44:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:43,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:43,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:43,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:44:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:44:43,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:44:44,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:44:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 68 transitions. [2024-11-08 23:44:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-08 23:44:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:44:46,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:46,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:46,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:46,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:44:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:46,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:46,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:44:46,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:44:48,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 72 transitions. [2024-11-08 23:44:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-08 23:44:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:44:50,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:50,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:50,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:50,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:44:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:50,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:50,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:44:50,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 23:44:51,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:44:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 74 transitions. [2024-11-08 23:44:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-08 23:44:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:44:51,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:51,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:51,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:51,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:44:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:51,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:51,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:44:51,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 23:44:54,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:06,999 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 [] [2024-11-08 23:45:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 79 transitions. [2024-11-08 23:45:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2024-11-08 23:45:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:45:07,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:07,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:07,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:07,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:45:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:45:07,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 23:45:09,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:45:23,764 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 [] [2024-11-08 23:45:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-08 23:45:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-08 23:45:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:45:28,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:28,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:28,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:28,346 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:28,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:45:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:45:28,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 23:45:30,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:45:40,419 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 [] [2024-11-08 23:45:50,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:04,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-08 23:46:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-08 23:46:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:46:05,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:05,352 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:05,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:46:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:46:05,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 23:46:06,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:22,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:32,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 101 transitions. [2024-11-08 23:46:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2024-11-08 23:46:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:46:33,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:33,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:33,349 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:33,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:46:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:33,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:33,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:46:33,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 23:46:35,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:49,653 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 [] [2024-11-08 23:46:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 107 transitions. [2024-11-08 23:46:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2024-11-08 23:46:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:46:55,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:55,257 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:55,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:46:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:55,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:55,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:46:55,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 23:46:55,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:47:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 113 transitions. [2024-11-08 23:47:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2024-11-08 23:47:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:47:02,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:02,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:02,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:02,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:47:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:02,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:02,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:47:02,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:47:03,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:47:23,658 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 [] [2024-11-08 23:47:34,027 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 [] [2024-11-08 23:47:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 117 transitions. [2024-11-08 23:47:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2024-11-08 23:47:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:47:34,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:34,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:34,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:34,497 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:34,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:47:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:47:34,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 23:47:36,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 23:47:52,157 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 [] [2024-11-08 23:48:03,261 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 [] [2024-11-08 23:48:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 123 transitions. [2024-11-08 23:48:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2024-11-08 23:48:04,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:48:04,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:04,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:04,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:04,223 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:04,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:48:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:48:04,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 23:48:06,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:48:22,214 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 [] [2024-11-08 23:48:33,149 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 [] [2024-11-08 23:48:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 130 transitions. [2024-11-08 23:48:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2024-11-08 23:48:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:48:34,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:34,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:34,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:34,665 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:34,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:48:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:35,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:48:35,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:48:38,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:48:53,620 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 [] [2024-11-08 23:49:08,746 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 [] [2024-11-08 23:49:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 136 transitions. [2024-11-08 23:49:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2024-11-08 23:49:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 23:49:10,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:10,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:10,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:10,360 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:49:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:49:10,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 23:49:12,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 143 transitions. [2024-11-08 23:49:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 143 transitions. [2024-11-08 23:49:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 23:49:19,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:19,332 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:19,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:49:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:49:19,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 23:49:22,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:49:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 154 transitions. [2024-11-08 23:49:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 154 transitions. [2024-11-08 23:49:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:49:32,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:32,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:32,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:32,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:32,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:49:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:32,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:32,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:49:32,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 19 proven. 29 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 23:49:35,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 23:49:51,877 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 [] [2024-11-08 23:50:02,559 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 [] [2024-11-08 23:50:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 90 states and 160 transitions. [2024-11-08 23:50:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2024-11-08 23:50:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:50:03,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:03,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:03,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:03,930 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:03,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:50:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:50:04,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 23:50:08,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:26,616 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 [] [2024-11-08 23:50:37,532 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 [] [2024-11-08 23:50:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 167 transitions. [2024-11-08 23:50:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 167 transitions. [2024-11-08 23:50:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:50:39,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:39,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:39,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:39,223 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:39,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:50:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:50:39,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 23:50:46,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 23:51:08,604 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 [] [2024-11-08 23:51:21,697 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 [] [2024-11-08 23:51:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 174 transitions. [2024-11-08 23:51:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 174 transitions. [2024-11-08 23:51:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:51:24,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:24,247 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:24,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:51:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 23:51:24,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 23:51:29,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:46,227 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 [] [2024-11-08 23:52:04,826 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 [] [2024-11-08 23:52:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 180 transitions. [2024-11-08 23:52:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 180 transitions. [2024-11-08 23:52:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:52:07,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:07,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:07,058 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:07,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:52:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:07,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:07,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:52:07,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 23:52:07,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 179 transitions. [2024-11-08 23:52:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2024-11-08 23:52:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:52:08,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:08,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:08,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:08,606 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:08,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:52:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:08,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:08,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:52:08,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 23:52:08,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 178 transitions. [2024-11-08 23:52:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 178 transitions. [2024-11-08 23:52:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 23:52:10,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:10,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:10,451 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:10,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:52:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:10,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:10,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:52:10,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-08 23:52:17,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 103 states and 187 transitions. [2024-11-08 23:52:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2024-11-08 23:52:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 23:52:30,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:30,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:30,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:30,690 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:30,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:52:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:30,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:52:31,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 23:52:39,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 194 transitions. [2024-11-08 23:52:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 194 transitions. [2024-11-08 23:52:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 23:52:57,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:57,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:57,279 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:57,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:52:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:52:57,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 23:53:03,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 23:53:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 111 states and 201 transitions. [2024-11-08 23:53:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2024-11-08 23:53:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 23:53:27,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:27,002 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:27,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:53:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:27,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:27,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:53:27,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 23:53:30,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:58,209 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 [] [2024-11-08 23:54:16,989 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 [] [2024-11-08 23:54:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 115 states and 209 transitions. [2024-11-08 23:54:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 209 transitions. [2024-11-08 23:54:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 23:54:19,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:19,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:19,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:19,329 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:19,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:54:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:19,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:19,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 23:54:19,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 28 proven. 37 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-08 23:54:23,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:47,480 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 [] [2024-11-08 23:54:58,603 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 [] [2024-11-08 23:54:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 216 transitions. [2024-11-08 23:54:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2024-11-08 23:54:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 23:54:59,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:59,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:59,312 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:59,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:54:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:59,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:59,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:54:59,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 23:55:07,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 23:55:27,629 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 [] [2024-11-08 23:55:38,620 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 [] [2024-11-08 23:55:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 121 states and 222 transitions. [2024-11-08 23:55:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 222 transitions. [2024-11-08 23:55:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 23:55:41,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:41,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:41,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:41,046 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:41,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:55:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:41,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:41,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:55:41,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 23:55:49,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:08,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:56:24,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:56:35,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:56:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 229 transitions. [2024-11-08 23:56:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 229 transitions. [2024-11-08 23:56:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 23:56:36,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:36,214 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:36,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:56:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:36,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:36,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 23:56:36,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 23:56:43,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:58,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:13,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:39,713 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 [] [2024-11-08 23:57:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 127 states and 239 transitions. [2024-11-08 23:57:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 239 transitions. [2024-11-08 23:57:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 23:57:40,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:40,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:40,496 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:57:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:40,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:40,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:57:40,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-08 23:57:40,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 127 states and 238 transitions. [2024-11-08 23:57:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 238 transitions. [2024-11-08 23:57:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 23:57:42,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:42,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:42,478 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:42,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:57:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:42,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:42,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:57:42,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-08 23:57:42,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 127 states and 237 transitions. [2024-11-08 23:57:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 237 transitions. [2024-11-08 23:57:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 23:57:45,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:45,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:45,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:45,536 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:45,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:57:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:45,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:45,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:57:45,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-08 23:57:45,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 127 states and 236 transitions. [2024-11-08 23:57:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2024-11-08 23:57:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:57:47,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:47,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:47,736 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:47,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:57:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:48,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:48,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:57:48,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 28 proven. 43 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 23:58:07,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:59:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 134 states and 252 transitions. [2024-11-08 23:59:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 252 transitions. [2024-11-08 23:59:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:59:16,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:16,977 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:16,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:59:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:17,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:17,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:59:17,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 27 proven. 46 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 23:59:30,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd36c55c-e170-40ba-939b-9b5c6ff87ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0