./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:19:14,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:19:14,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:19:14,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:19:14,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:19:14,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:19:14,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:19:14,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:19:14,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:19:14,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:19:14,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:19:14,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:19:14,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:19:14,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:19:14,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:19:14,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:19:14,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:19:14,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:19:14,878 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:19:14,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:14,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:19:14,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:19:14,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-13 21:19:15,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:19:15,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:19:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:19:15,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:19:15,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:19:15,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c Unable to find full path for "g++" [2024-11-13 21:19:17,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:19:17,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:19:17,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-13 21:19:17,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/104682043/5c5c05eaae1a4f0380c5f234ac84f499/FLAG7164962b7 [2024-11-13 21:19:17,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/104682043/5c5c05eaae1a4f0380c5f234ac84f499 [2024-11-13 21:19:17,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:19:17,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:19:17,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:17,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:19:17,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:19:17,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6525d846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17, skipping insertion in model container [2024-11-13 21:19:17,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:19:17,807 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_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-13 21:19:17,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:17,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:19:17,858 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_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-13 21:19:17,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:17,886 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:19:17,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17 WrapperNode [2024-11-13 21:19:17,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:17,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:17,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:19:17,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:19:17,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,924 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-13 21:19:17,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:17,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:19:17,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:19:17,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:19:17,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:19:17,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:19:17,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:19:17,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:19:17,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:17" (1/1) ... [2024-11-13 21:19:17,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:19:18,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:19:18,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:19:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:19:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:19:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:19:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:19:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:19:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:19:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:19:18,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:19:18,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:19:18,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:19:18,336 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:19:18,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:19:18,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:19:18,403 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:19:18,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:18 BoogieIcfgContainer [2024-11-13 21:19:18,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:19:18,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:19:18,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:19:18,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:19:18,415 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:18" (1/1) ... [2024-11-13 21:19:18,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:19:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 21:19:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 21:19:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:19:18,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:18,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:19:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:19:18,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:19:18,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:19:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:19:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 21:19:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 21:19:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:19:19,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:19:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:19:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-13 21:19:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 21:19:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:19:21,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:19:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:19:22,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:19:22,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:19:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:20:15,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:21,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-13 21:20:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-13 21:20:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:21,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:22,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:20:22,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:20:49,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-13 21:20:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-13 21:20:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:50,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:50,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:54,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:20:54,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:20:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-13 21:20:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-13 21:20:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:54,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:54,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:55,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:20:55,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:21:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 54 transitions. [2024-11-13 21:21:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-13 21:21:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:21:19,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:19,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:28,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:21:28,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:34,175 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:22:45,174 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:01,944 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:12,174 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:19,303 WARN L286 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:32,662 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:47,510 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:24:07,910 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:24:27,932 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:24:37,949 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:24:47,978 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:25:08,021 WARN L286 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:25:28,072 WARN L286 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:25:38,463 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:25:51,612 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:26:11,652 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:26:31,667 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:26:42,435 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:27:02,607 WARN L286 SmtUtils]: Spent 20.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:27:12,644 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:27:32,672 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:27:46,231 WARN L286 SmtUtils]: Spent 13.19s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:27:53,238 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:28:07,404 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:28:13,342 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:28:23,385 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:28:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 21:29:55,624 WARN L286 SmtUtils]: Spent 9.32s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:30:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 65 transitions. [2024-11-13 21:30:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-13 21:30:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:30:13,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:13,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:24,088 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:30:24,092 INFO L158 Benchmark]: Toolchain (without parser) took 666482.27ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 68.4MB in the end (delta: 50.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-13 21:30:24,092 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:24,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.38ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:30:24,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.66ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:24,094 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 599.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:30:24,094 INFO L158 Benchmark]: RCFGBuilder took 444.49ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:30:24,094 INFO L158 Benchmark]: CodeCheck took 665686.65ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 68.4MB in the end (delta: 23.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-13 21:30:24,096 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 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.38ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.66ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 599.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.49ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 665686.65ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 68.4MB in the end (delta: 23.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:30:24,305 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:30:24,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:26,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:26,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:30:26,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:26,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:26,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:26,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:26,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:26,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:26,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:26,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:26,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:26,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:26,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:26,779 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:26,779 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:30:26,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:26,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:26,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:30:26,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-13 21:30:27,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:27,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:27,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:27,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:27,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:27,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c Unable to find full path for "g++" [2024-11-13 21:30:29,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:29,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:29,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-13 21:30:29,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/c1101b053/7e6382db146b49edb90169cbae4d9b5d/FLAG2981dce22 [2024-11-13 21:30:29,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/data/c1101b053/7e6382db146b49edb90169cbae4d9b5d [2024-11-13 21:30:29,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:29,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:29,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:29,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:29,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:29,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a25c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29, skipping insertion in model container [2024-11-13 21:30:29,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:29,555 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_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-13 21:30:29,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:29,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:29,618 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_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-13 21:30:29,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:29,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:29,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29 WrapperNode [2024-11-13 21:30:29,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:29,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:29,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:29,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:29,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,698 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-13 21:30:29,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:29,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:29,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:29,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:29,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:29,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:29,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:29,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:29,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:29" (1/1) ... [2024-11-13 21:30:29,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:29,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:29,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:29,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:30:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:30:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:30:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:30:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:30:29,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:29,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:30,054 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:30,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:30,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:30,129 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:30:30,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:30 BoogieIcfgContainer [2024-11-13 21:30:30,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:30,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:30,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:30,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:30,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:30" (1/1) ... [2024-11-13 21:30:30,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 21:30:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 21:30:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:30:30,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:30,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:30,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:30,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:30,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:30:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:30,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:30,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:30:30,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:30:31,262 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:30:31,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:30:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 37 transitions. [2024-11-13 21:30:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:30:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:30:32,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:32,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:32,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:32,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:32,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:30:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:32,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:32,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:30:32,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 21:30:34,026 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:30:34,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:30:37,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:30:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 46 transitions. [2024-11-13 21:30:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-13 21:30:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:30:37,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:37,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:37,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:37,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:30:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:37,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:38,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:30:38,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:30:40,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:30:49,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:30:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 52 transitions. [2024-11-13 21:30:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-13 21:30:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:30:51,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:51,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:51,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:51,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:51,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:30:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:51,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:53,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:30:53,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 21:30:59,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:31:20,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:31:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 58 transitions. [2024-11-13 21:31:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-11-13 21:31:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:31:22,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:22,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:22,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:22,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:22,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:31:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:23,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:26,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:31:26,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 21:31:55,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:32:47,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:32:48,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:32:51,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:32:54,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:32:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 64 transitions. [2024-11-13 21:32:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-13 21:32:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:32:54,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:54,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:54,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c151a5a5-de6b-4e6b-9c6c-d390a45c7567/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:32:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:54,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:58,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:32:58,753 INFO L278 TraceCheckSpWp]: Computing forward predicates...