./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/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_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/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_855034c6-de7d-422b-8fb8-6c669d8915f0/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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:49,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:49,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:29:49,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:29:49,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:29:49,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:49,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:49,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:49,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:49,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:49,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:49,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:49,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:29:49,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:29:49,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:29:49,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:49,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:49,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:49,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:49,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:49,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:29:49,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:49,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:49,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:49,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:49,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:49,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:49,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:49,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:49,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:49,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:49,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:29:49,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:29:49,711 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_855034c6-de7d-422b-8fb8-6c669d8915f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-11-08 22:29:50,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:50,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:50,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:50,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:50,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:50,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c Unable to find full path for "g++" [2024-11-08 22:29:52,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:52,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:52,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-11-08 22:29:52,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/2430e287d/aaeb85eeacc54d1da431c3a9321e8b99/FLAGb5e3d7b0f [2024-11-08 22:29:52,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/2430e287d/aaeb85eeacc54d1da431c3a9321e8b99 [2024-11-08 22:29:52,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:52,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:52,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:52,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:52,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:52,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:52" (1/1) ... [2024-11-08 22:29:52,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b32c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:52, skipping insertion in model container [2024-11-08 22:29:52,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:52" (1/1) ... [2024-11-08 22:29:52,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:53,136 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_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-08 22:29:53,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:53,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:53,192 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-08 22:29:53,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:53,226 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:53,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53 WrapperNode [2024-11-08 22:29:53,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:53,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:53,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:53,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:53,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,270 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-08 22:29:53,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:53,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:53,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:53,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:53,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:53,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:53,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:53,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:53,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:53,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:53,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:53,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:29:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:29:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:29:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:29:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:29:53,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:53,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:53,852 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:53,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:53,910 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:53,910 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:29:53,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:53 BoogieIcfgContainer [2024-11-08 22:29:53,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:53,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:53,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:53,926 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:53,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:53" (1/1) ... [2024-11-08 22:29:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-08 22:29:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 22:29:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:29:54,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:54,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:29:54,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:29:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-08 22:29:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 22:29:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:29:54,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:04,899 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:30:04,904 INFO L158 Benchmark]: Toolchain (without parser) took 11976.09ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 60.7MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,904 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:30:04,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.19ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 109.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,908 INFO L158 Benchmark]: Boogie Preprocessor took 31.78ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 731.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,909 INFO L158 Benchmark]: RCFGBuilder took 606.92ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 92.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,910 INFO L158 Benchmark]: CodeCheck took 10987.84ms. Allocated memory is still 153.1MB. Free memory was 92.4MB in the beginning and 60.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 22:30:04,914 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 0.30ms. Allocated memory is still 153.1MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.19ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 109.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.78ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 731.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.92ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 92.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10987.84ms. Allocated memory is still 153.1MB. Free memory was 92.4MB in the beginning and 60.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:30:04,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/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_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/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_855034c6-de7d-422b-8fb8-6c669d8915f0/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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:30:07,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:30:07,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:30:07,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:30:07,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:30:07,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:30:07,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:30:07,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:30:07,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:30:07,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:30:07,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:30:07,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:30:07,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:30:07,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:30:07,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:30:07,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:30:07,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:30:07,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:30:07,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:30:07,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:30:07,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:30:07,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:30:07,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:30:07,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:30:07,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:30:07,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:30:07,918 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:07,919 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:30:07,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:30:07,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:07,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:30:07,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:30:07,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:30:07,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:30:07,928 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:07,928 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:30:07,928 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_855034c6-de7d-422b-8fb8-6c669d8915f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-11-08 22:30:08,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:30:08,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:30:08,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:30:08,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:30:08,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:30:08,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c Unable to find full path for "g++" [2024-11-08 22:30:10,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:30:11,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:30:11,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-11-08 22:30:11,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/46d98ecab/13c5543a6cc2457c8bcd5ea8f695fd07/FLAGe4a493914 [2024-11-08 22:30:11,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/data/46d98ecab/13c5543a6cc2457c8bcd5ea8f695fd07 [2024-11-08 22:30:11,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:30:11,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:30:11,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:11,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:30:11,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:30:11,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357c8d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11, skipping insertion in model container [2024-11-08 22:30:11,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:30:11,627 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_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-08 22:30:11,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:11,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:30:11,686 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_855034c6-de7d-422b-8fb8-6c669d8915f0/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-11-08 22:30:11,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:30:11,718 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:30:11,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11 WrapperNode [2024-11-08 22:30:11,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:30:11,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:11,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:30:11,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:30:11,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,767 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-08 22:30:11,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:30:11,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:30:11,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:30:11,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:30:11,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:30:11,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:30:11,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:30:11,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:30:11,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:30:11" (1/1) ... [2024-11-08 22:30:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:30:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:30:11,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:30:11,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:30:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:30:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:30:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:30:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:30:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:30:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:30:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:30:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:30:12,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:30:12,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:30:12,379 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:30:12,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:30:12,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:30:12,465 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:30:12,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:12 BoogieIcfgContainer [2024-11-08 22:30:12,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:30:12,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:30:12,467 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:30:12,483 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:30:12,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:30:12" (1/1) ... [2024-11-08 22:30:12,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:30:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-08 22:30:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 22:30:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:30:12,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:12,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:12,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:12,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:30:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:12,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:13,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:30:13,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:30:13,765 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:30:13,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:30:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-08 22:30:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 22:30:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:30:14,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:14,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:14,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:14,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:30:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:15,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:15,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:30:15,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:30:15,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:30:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2024-11-08 22:30:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-08 22:30:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:30:16,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:16,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:16,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:30:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:16,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:16,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:30:16,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 22:30:19,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:30:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-08 22:30:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-08 22:30:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 22:30:21,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:21,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:21,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:21,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:21,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:30:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:21,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:21,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:30:21,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 22:30:21,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:30:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-08 22:30:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-08 22:30:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:30:22,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:22,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:30:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:22,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:22,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:30:22,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 22:30:24,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:30:36,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-08 22:30:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-08 22:30:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:30:37,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:37,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:37,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:37,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:30:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:37,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:37,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:30:37,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:30:39,137 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:30:39,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:30:53,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-08 22:30:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-08 22:30:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:30:58,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:58,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:58,412 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:58,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:30:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:58,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:58,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:30:58,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:30:59,610 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:30:59,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:31:09,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:20,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:34,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-08 22:31:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-08 22:31:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:31:35,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:35,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:35,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:35,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:35,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:31:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:35,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:35,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:31:35,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 22:31:36,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:31:53,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:04,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 102 transitions. [2024-11-08 22:32:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-08 22:32:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:32:05,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:05,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:05,131 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:05,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:32:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:05,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:05,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 22:32:05,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:32:07,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:32:22,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 108 transitions. [2024-11-08 22:32:28,897 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2024-11-08 22:32:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:32:28,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:28,902 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:28,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:32:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:29,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:32:29,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 22:32:29,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 114 transitions. [2024-11-08 22:32:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-08 22:32:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:32:38,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:38,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:38,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:38,708 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:38,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:32:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:38,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:32:38,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 22:32:39,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:33:02,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:13,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 118 transitions. [2024-11-08 22:33:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2024-11-08 22:33:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:33:13,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:13,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:13,816 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:13,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:33:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:14,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:33:14,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 22:33:16,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:34,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:45,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 124 transitions. [2024-11-08 22:33:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-08 22:33:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:33:47,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:47,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:47,137 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:47,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:33:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:47,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:47,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:33:47,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 22:33:53,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:34:13,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:25,467 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 [] [2024-11-08 22:34:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 131 transitions. [2024-11-08 22:34:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2024-11-08 22:34:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:34:27,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:27,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:27,787 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:27,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:34:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:28,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:28,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:34:28,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:34:31,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:49,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:07,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 137 transitions. [2024-11-08 22:35:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2024-11-08 22:35:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 22:35:10,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:10,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:10,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:10,151 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:10,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:35:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:10,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:35:10,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 22:35:15,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 145 transitions. [2024-11-08 22:35:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions. [2024-11-08 22:35:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 22:35:24,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:24,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:24,532 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:24,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:35:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:24,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:35:24,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 22:35:28,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 156 transitions. [2024-11-08 22:35:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 156 transitions. [2024-11-08 22:35:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:35:45,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:45,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:45,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:45,659 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:45,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:35:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:35:45,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:35:46,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:34,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:47,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:15,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 91 states and 165 transitions. [2024-11-08 22:37:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 165 transitions. [2024-11-08 22:37:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:37:15,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:15,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:37:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:37:15,732 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:37:15,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:37:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:37:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:37:16,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 22:37:20,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:37:39,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:50,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 94 states and 171 transitions. [2024-11-08 22:37:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 171 transitions. [2024-11-08 22:37:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:37:52,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:52,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:37:52,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:37:52,903 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:37:52,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:37:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:53,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:37:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:53,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:37:53,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 22:38:01,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:38:23,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:38:34,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:38:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 97 states and 178 transitions. [2024-11-08 22:38:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 178 transitions. [2024-11-08 22:38:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:38:37,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:37,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:37,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:37,833 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:37,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:38:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:38,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:38,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:38:38,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 22:38:46,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:39:11,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:26,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 185 transitions. [2024-11-08 22:39:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 185 transitions. [2024-11-08 22:39:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:39:32,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:32,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:32,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:39:32,731 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:39:32,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:39:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:33,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:39:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:33,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:39:33,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 22:39:40,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-08 22:40:01,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:27,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 192 transitions. [2024-11-08 22:40:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 192 transitions. [2024-11-08 22:40:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:40:31,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:31,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:31,750 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:31,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:40:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:31,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:31,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:40:31,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 22:40:31,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:40:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 191 transitions. [2024-11-08 22:40:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 191 transitions. [2024-11-08 22:40:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:40:34,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:34,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:34,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:34,438 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:34,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:40:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:34,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:34,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:40:34,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 22:40:34,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:40:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 190 transitions. [2024-11-08 22:40:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2024-11-08 22:40:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:40:38,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:38,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:38,036 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:38,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:40:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:38,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:38,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:40:38,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 22:40:47,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 107 states and 198 transitions. [2024-11-08 22:41:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-11-08 22:41:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:41:05,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:05,038 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:05,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:41:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:05,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:05,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 22:41:05,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 22:41:14,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:41:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 111 states and 205 transitions. [2024-11-08 22:41:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2024-11-08 22:41:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:41:43,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:43,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:43,648 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:41:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:43,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:44,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:41:44,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 22:41:53,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 118 states and 216 transitions. [2024-11-08 22:42:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2024-11-08 22:42:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 22:42:31,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:31,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:31,162 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:31,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:42:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:31,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:31,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:42:31,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 37 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 22:42:38,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:43:10,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:43:32,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:43:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 122 states and 224 transitions. [2024-11-08 22:43:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 224 transitions. [2024-11-08 22:43:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 22:43:37,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:37,976 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:43:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:38,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:38,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:43:38,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 22:43:46,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:12,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:44:23,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:44:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 125 states and 230 transitions. [2024-11-08 22:44:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2024-11-08 22:44:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 22:44:27,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:27,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:27,056 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:44:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:27,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:27,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:44:27,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 27 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 22:44:36,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855034c6-de7d-422b-8fb8-6c669d8915f0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:45,931 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 81 DAG size of output: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)