./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.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_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/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_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/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_52c49d8f-4c44-4024-8f33-2875488ce675/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 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:04,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:04,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:19:04,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:19:04,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:19:04,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:04,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:04,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:04,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:04,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:04,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:04,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:04,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:19:04,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:19:04,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:19:04,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:04,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:04,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:04,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:04,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:04,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:19:04,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:04,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:04,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:04,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:04,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:04,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:04,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:04,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:04,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:04,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:04,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:19:04,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:19:04,809 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_52c49d8f-4c44-4024-8f33-2875488ce675/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 [2024-11-09 00:19:05,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:05,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:05,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:05,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:05,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:05,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:19:07,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:07,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:07,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-11-09 00:19:07,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/456e4a81d/0f5fca670d79417bb9248566bb3d0544/FLAGdd5c4fe95 [2024-11-09 00:19:07,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/456e4a81d/0f5fca670d79417bb9248566bb3d0544 [2024-11-09 00:19:07,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:07,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:07,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:07,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:07,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:07,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:07" (1/1) ... [2024-11-09 00:19:07,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f23c689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:07, skipping insertion in model container [2024-11-09 00:19:07,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:07" (1/1) ... [2024-11-09 00:19:07,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:08,064 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_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-11-09 00:19:08,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:08,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:08,109 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_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-11-09 00:19:08,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:08,137 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:08,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08 WrapperNode [2024-11-09 00:19:08,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:08,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:08,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:08,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:08,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,178 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 00:19:08,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:08,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:08,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:08,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:08,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:08,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:08,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:08,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:08,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:08,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:08,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:19:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:19:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:19:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:19:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:19:08,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:08,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:08,667 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:08,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:08,715 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:08,716 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 00:19:08,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:08 BoogieIcfgContainer [2024-11-09 00:19:08,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:08,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:08,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:08,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:08,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:08" (1/1) ... [2024-11-09 00:19:08,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:19:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:19:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:19:08,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:19:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:09,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:19:09,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:19:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-09 00:19:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 00:19:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:19:09,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:19:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:19:19,836 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) [2024-11-09 00:19:19,840 INFO L158 Benchmark]: Toolchain (without parser) took 11999.38ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 98.7MB in the end (delta: 39.2MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,841 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:19:19,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.35ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 124.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,843 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 122.1MB in the end (delta: 916.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,844 INFO L158 Benchmark]: RCFGBuilder took 506.14ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 131.5MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,845 INFO L158 Benchmark]: CodeCheck took 11120.98ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 98.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:19:19,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.35ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 124.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 122.1MB in the end (delta: 916.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.14ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 131.5MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11120.98ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 98.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:19:19,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/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_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/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_52c49d8f-4c44-4024-8f33-2875488ce675/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 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:22,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:22,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:19:22,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:22,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:22,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:22,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:22,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:22,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:22,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:22,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:19:22,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:19:22,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:22,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:22,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:22,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:22,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:19:22,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:19:22,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:22,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:19:22,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:19:22,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:22,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:22,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:22,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:22,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:22,566 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:22,567 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:19:22,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:22,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:22,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:22,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:22,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:22,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:19:22,571 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:22,571 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:19:22,571 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_52c49d8f-4c44-4024-8f33-2875488ce675/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8934c7d58d71c9b3a06e793f6df8377fb9dcad08c89a636c2f08c1bbd4767b93 [2024-11-09 00:19:23,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:23,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:23,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:23,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:23,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:23,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:19:25,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:25,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:25,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c [2024-11-09 00:19:25,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/cd84e969b/9268f536bd804898be577f5e4c401af9/FLAG7e12591b7 [2024-11-09 00:19:25,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/data/cd84e969b/9268f536bd804898be577f5e4c401af9 [2024-11-09 00:19:25,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:25,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:25,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:25,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:25,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:25,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594e3caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25, skipping insertion in model container [2024-11-09 00:19:25,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:25,775 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_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-11-09 00:19:25,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:25,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:25,845 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_52c49d8f-4c44-4024-8f33-2875488ce675/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound50.c[552,565] [2024-11-09 00:19:25,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:25,890 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:25,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25 WrapperNode [2024-11-09 00:19:25,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:25,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:25,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:25,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:25,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,932 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 00:19:25,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:25,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:25,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:25,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:25,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:25,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:25,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:25,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:25,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:25" (1/1) ... [2024-11-09 00:19:25,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:26,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:26,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:19:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:19:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:19:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:19:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:19:26,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:26,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:26,396 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:26,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:26,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:26,440 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 00:19:26,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:26 BoogieIcfgContainer [2024-11-09 00:19:26,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:26,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:26,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:26,453 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:26,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:26" (1/1) ... [2024-11-09 00:19:26,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:19:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:19:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:19:26,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:26,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:26,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:26,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:19:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:26,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:27,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:19:27,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:19:28,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:19:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-09 00:19:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 00:19:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:19:29,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:29,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:29,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:19:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:30,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:30,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:19:30,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:19:31,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:19:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 68 transitions. [2024-11-09 00:19:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-09 00:19:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:19:34,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:34,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:34,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:34,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:34,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:19:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:34,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:34,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:19:34,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:19:36,606 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:19:36,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:19:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 72 transitions. [2024-11-09 00:19:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-09 00:19:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:19:38,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:38,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:38,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:38,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:19:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:38,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:38,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:19:38,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 00:19:38,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:19:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 74 transitions. [2024-11-09 00:19:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-09 00:19:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:19:39,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:39,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:39,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:19:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:39,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:39,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:19:39,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:19:41,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:19:53,892 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 [] [2024-11-09 00:19:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 79 transitions. [2024-11-09 00:19:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2024-11-09 00:19:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:19:54,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:54,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:54,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:54,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:54,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:19:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:54,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:56,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:19:56,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:19:58,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:20:08,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:18,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:25,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:28,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-09 00:20:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-09 00:20:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:20:28,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:28,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:28,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:28,700 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:28,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:20:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:28,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:28,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:20:28,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:20:29,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:40,069 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 [] [2024-11-09 00:20:50,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:21:06,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:21:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-09 00:21:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-09 00:21:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:21:06,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:06,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:06,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:06,740 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:06,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:21:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:06,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:08,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:21:08,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:21:09,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:21:19,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:21:29,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:21:40,562 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 [] [2024-11-09 00:21:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 58 states and 100 transitions. [2024-11-09 00:21:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2024-11-09 00:21:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:21:41,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:41,159 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:41,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:21:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:41,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:42,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:21:42,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:21:46,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:53,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:22:03,874 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 [] [2024-11-09 00:22:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 106 transitions. [2024-11-09 00:22:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-09 00:22:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:22:13,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:13,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:13,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:13,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:13,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:22:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:13,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:13,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:22:13,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 00:22:15,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:33,580 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 [] [2024-11-09 00:22:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:22:45,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:22:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 112 transitions. [2024-11-09 00:22:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2024-11-09 00:22:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:22:46,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:46,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:46,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:46,364 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:46,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:22:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:48,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:22:48,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 00:22:58,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:23:04,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:23:17,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:23:29,328 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 [] [2024-11-09 00:23:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 118 transitions. [2024-11-09 00:23:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2024-11-09 00:23:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:23:43,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:43,216 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:23:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 00:23:44,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:23:52,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:24:13,751 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 [] [2024-11-09 00:24:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 124 transitions. [2024-11-09 00:24:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2024-11-09 00:24:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:24:29,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:29,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:29,742 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:29,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:24:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:29,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:30,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:24:30,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 00:24:32,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:24:35,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:24:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 132 transitions. [2024-11-09 00:24:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 132 transitions. [2024-11-09 00:24:38,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:24:38,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:38,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:38,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:38,221 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:38,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:24:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:24:38,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 00:24:42,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:25:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 144 transitions. [2024-11-09 00:25:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 144 transitions. [2024-11-09 00:25:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:25:09,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:09,055 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:09,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:25:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:09,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:09,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:25:09,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 00:25:13,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:25:37,987 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 [] [2024-11-09 00:25:49,997 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 [] [2024-11-09 00:25:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 150 transitions. [2024-11-09 00:25:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2024-11-09 00:25:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:25:51,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:51,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:51,175 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:51,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:25:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:51,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:53,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:25:53,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 00:26:15,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:26:25,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:26:40,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:26:42,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:26:45,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:26:55,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:27:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 156 transitions. [2024-11-09 00:27:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2024-11-09 00:27:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:27:03,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:03,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:03,102 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:27:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:03,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:03,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:27:03,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:32,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:27:54,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:28:10,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:28:21,186 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 [] [2024-11-09 00:28:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 162 transitions. [2024-11-09 00:28:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 162 transitions. [2024-11-09 00:28:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:28:36,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:36,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:36,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:36,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:28:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:36,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:38,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 00:28:38,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 00:28:52,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:19,887 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 [] [2024-11-09 00:29:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 168 transitions. [2024-11-09 00:29:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2024-11-09 00:29:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:29:45,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:45,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:45,204 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:45,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:29:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:45,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:45,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:45,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 00:29:45,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:29:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 167 transitions. [2024-11-09 00:29:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 167 transitions. [2024-11-09 00:29:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:29:47,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:47,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:47,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:47,244 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:47,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:29:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:47,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:47,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:47,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 00:29:47,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 166 transitions. [2024-11-09 00:29:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2024-11-09 00:29:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:29:49,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:49,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:49,031 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:49,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:29:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:49,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:49,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:29:49,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 00:29:55,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 00:30:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 97 states and 174 transitions. [2024-11-09 00:30:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 174 transitions. [2024-11-09 00:30:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:30:10,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:10,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:10,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:10,918 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:10,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:30:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:30:11,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 00:30:33,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:31:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 101 states and 182 transitions. [2024-11-09 00:31:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2024-11-09 00:31:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:31:15,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:15,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:15,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:15,379 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:15,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:31:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:15,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:15,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:31:15,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 00:31:23,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 00:32:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 194 transitions. [2024-11-09 00:32:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 194 transitions. [2024-11-09 00:32:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:32:13,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:13,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:13,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:13,666 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:13,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:32:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:14,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:15,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:32:15,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 00:32:40,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:00,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:33:19,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 111 states and 201 transitions. [2024-11-09 00:34:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2024-11-09 00:34:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:34:08,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:08,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:08,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:08,891 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:08,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:34:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:34:09,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 00:34:14,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c49d8f-4c44-4024-8f33-2875488ce675/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0