./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.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_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/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_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/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_3189f306-3490-40c9-a7fd-5c5404b9e009/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:18,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:18,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:13:18,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:13:18,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:13:18,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:18,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:18,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:18,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:18,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:18,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:18,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:18,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:18,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:18,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:18,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:18,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:18,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:18,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:13:18,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:13:18,425 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_3189f306-3490-40c9-a7fd-5c5404b9e009/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 -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-13 22:13:18,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:18,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:18,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:18,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:18,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:18,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/ps6-ll.c Unable to find full path for "g++" [2024-11-13 22:13:20,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:21,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:21,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-13 22:13:21,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/d0e6019da/f191fe045db745e7b4405459bfeb32c8/FLAG3183087b1 [2024-11-13 22:13:21,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/d0e6019da/f191fe045db745e7b4405459bfeb32c8 [2024-11-13 22:13:21,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:21,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:21,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:21,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:21,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:21,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f38ee1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21, skipping insertion in model container [2024-11-13 22:13:21,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:21,269 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_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-13 22:13:21,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:21,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:21,316 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_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-13 22:13:21,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:21,343 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:21,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21 WrapperNode [2024-11-13 22:13:21,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:21,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:21,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:21,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:21,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,377 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-13 22:13:21,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:21,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:21,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:21,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:21,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:21,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:21,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:21,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:21,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:21,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:21,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:13:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:13:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:13:21,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:21,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:21,652 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:21,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:21,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:21,713 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:21,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:21 BoogieIcfgContainer [2024-11-13 22:13:21,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:21,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:21,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:21,728 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:21,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:21" (1/1) ... [2024-11-13 22:13:21,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:13:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:13:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:13:21,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:21,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:13:21,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:13:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:13:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:13:22,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:22,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 22:13:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 22:13:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:13:23,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:23,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:13:23,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:13:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:13:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:13:23,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:23,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:13:23,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:13:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 22:13:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:13:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:13:23,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:23,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:13:23,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:13:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 22:13:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 22:13:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:13:24,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:24,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:24,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:13:24,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:13:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-13 22:13:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 22:13:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:13:25,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:25,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:13:25,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:13:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-13 22:13:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-13 22:13:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:13:26,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:26,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:26,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:13:26,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:13:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2024-11-13 22:13:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-13 22:13:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:13:27,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:27,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:13:27,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:13:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-11-13 22:13:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-11-13 22:13:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:13:28,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:28,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:13:28,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:13:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-11-13 22:13:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-11-13 22:13:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:13:30,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:30,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:13:30,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:13:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2024-11-13 22:13:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2024-11-13 22:13:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:13:31,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:31,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:31,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 22:13:31,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 22:13:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2024-11-13 22:13:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2024-11-13 22:13:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:13:33,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:34,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:13:34,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 22 proven. 71 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:13:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 70 states and 119 transitions. [2024-11-13 22:13:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 119 transitions. [2024-11-13 22:13:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:13:35,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:35,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:13:35,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 22:13:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2024-11-13 22:13:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2024-11-13 22:13:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:13:36,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:36,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 22:13:36,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 34 proven. 93 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 22:13:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 139 transitions. [2024-11-13 22:13:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2024-11-13 22:13:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 22:13:37,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:37,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:13:37,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 47 proven. 68 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 22:13:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 89 states and 154 transitions. [2024-11-13 22:13:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 154 transitions. [2024-11-13 22:13:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:13:40,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:40,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 22:13:40,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 19 proven. 142 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 22:13:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 92 states and 159 transitions. [2024-11-13 22:13:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 159 transitions. [2024-11-13 22:13:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:13:41,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:41,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:13:41,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 17 proven. 109 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 22:13:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 100 states and 174 transitions. [2024-11-13 22:13:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 174 transitions. [2024-11-13 22:13:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:13:43,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:43,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:43,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:13:43,807 INFO L158 Benchmark]: Toolchain (without parser) took 22739.21ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.9MB in the beginning and 140.7MB in the end (delta: -47.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-13 22:13:43,807 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:43,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.75ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:13:43,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:43,809 INFO L158 Benchmark]: Boogie Preprocessor took 19.66ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.9MB in the end (delta: 523.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:43,809 INFO L158 Benchmark]: RCFGBuilder took 313.68ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.3MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:13:43,810 INFO L158 Benchmark]: CodeCheck took 22091.91ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 68.3MB in the beginning and 140.7MB in the end (delta: -72.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:43,812 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.75ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.66ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.9MB in the end (delta: 523.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.68ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.3MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 22091.91ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 68.3MB in the beginning and 140.7MB in the end (delta: -72.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:13:43,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/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_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/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_3189f306-3490-40c9-a7fd-5c5404b9e009/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:46,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:46,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:13:46,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:46,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:46,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:46,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:46,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:46,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:46,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:46,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:13:46,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:13:46,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:46,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:46,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:13:46,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:13:46,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:46,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:46,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:46,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:46,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:46,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:13:46,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:46,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:13:46,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:46,908 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:13:46,908 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_3189f306-3490-40c9-a7fd-5c5404b9e009/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 -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-13 22:13:47,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:47,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:47,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:47,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:47,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:47,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/ps6-ll.c Unable to find full path for "g++" [2024-11-13 22:13:49,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:49,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:49,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-13 22:13:49,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/c060e1b69/bddff6fb5afd4f89aefba951bb0b4fc6/FLAGe999afe38 [2024-11-13 22:13:49,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/data/c060e1b69/bddff6fb5afd4f89aefba951bb0b4fc6 [2024-11-13 22:13:49,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:49,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:49,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:49,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:49,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:49,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:49,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acd82b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49, skipping insertion in model container [2024-11-13 22:13:49,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:49,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:49,885 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_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-13 22:13:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:49,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:49,948 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_3189f306-3490-40c9-a7fd-5c5404b9e009/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-13 22:13:49,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:49,987 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:49,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49 WrapperNode [2024-11-13 22:13:49,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:49,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:49,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:49,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:49,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,025 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 22:13:50,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:50,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:50,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:50,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:50,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:50,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:50,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:50,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:50,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:49" (1/1) ... [2024-11-13 22:13:50,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:50,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:50,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:50,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:13:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:13:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:13:50,190 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:50,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:51,158 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:51,159 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:51,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:51,211 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:51,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:51 BoogieIcfgContainer [2024-11-13 22:13:51,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:51,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:51,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:51,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:51,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:51" (1/1) ... [2024-11-13 22:13:51,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:13:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:13:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:13:51,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:51,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:51,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:51,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:13:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:51,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:52,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:13:52,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:13:52,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:13:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:13:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:13:54,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:54,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:54,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:54,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:54,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:13:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:54,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:54,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:13:54,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:09,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:14:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:14:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:14:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:14:40,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:40,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:40,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:40,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:40,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:14:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:41,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:42,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:14:42,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:43,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:15:16,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:15:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-13 22:15:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 22:15:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:15:30,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:30,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:30,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:30,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:15:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:31,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:15:31,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:15:32,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:16:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-13 22:16:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-13 22:16:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:16:31,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:31,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:16:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:16:31,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:16:31,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:16:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:33,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:33,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:16:33,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:16:35,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:17:18,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:17:34,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:17:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-13 22:17:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 22:17:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:17:36,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:36,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:17:36,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:17:36,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:17:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:37,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:17:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:38,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:17:38,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:17:42,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:19:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2024-11-13 22:19:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2024-11-13 22:19:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:19:12,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:12,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:12,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:12,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:12,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:19:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:14,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:15,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:19:15,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:19:17,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:20:06,403 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:20:07,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:09,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:11,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 22:20:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 22:20:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:20:35,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:35,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:35,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:35,058 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:35,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:20:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:36,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:37,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:20:37,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:20:43,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:21:29,068 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:22:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-13 22:22:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-13 22:22:22,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:22:22,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:22,455 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:22,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:22:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:24,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:26,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:22:26,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 11 proven. 32 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:22:29,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:22:53,482 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:26,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-13 22:23:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-13 22:23:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:23:56,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:56,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:56,611 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:56,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:23:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:58,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:59,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:23:59,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:24:05,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:24:57,817 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:25:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 22:25:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 22:25:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:25:58,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:58,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:58,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:26:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:01,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:02,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:26:02,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 15 proven. 47 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:26:06,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:26:31,776 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:08,542 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-13 22:27:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-13 22:27:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:27:46,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:46,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:46,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:46,115 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:27:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:48,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:49,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:27:49,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:28:00,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3189f306-3490-40c9-a7fd-5c5404b9e009/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0