./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/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 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:50:55,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:50:55,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:50:56,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:50:56,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:50:56,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:50:56,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:50:56,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:50:56,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:50:56,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:50:56,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:50:56,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:50:56,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:50:56,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:50:56,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:50:56,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:50:56,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:50:56,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:50:56,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:50:56,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:50:56,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:56,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:50:56,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:50:56,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:50:56,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:50:56,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:50:56,049 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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/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 -> 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 [2024-11-13 22:50:56,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:50:56,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:50:56,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:50:56,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:50:56,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:50:56,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 22:50:58,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:50:58,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:50:58,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2024-11-13 22:50:58,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/data/7ec49c1e2/91c8f4617efb4aeb846015d973d080e8/FLAG3f0774e2b [2024-11-13 22:50:58,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/data/7ec49c1e2/91c8f4617efb4aeb846015d973d080e8 [2024-11-13 22:50:58,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:50:58,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:50:58,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:58,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:50:58,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:50:58,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc28c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58, skipping insertion in model container [2024-11-13 22:50:58,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:50:59,168 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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2024-11-13 22:50:59,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:59,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:50:59,269 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_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2024-11-13 22:50:59,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:59,306 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:50:59,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59 WrapperNode [2024-11-13 22:50:59,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:59,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:59,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:50:59,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:50:59,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,375 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 457 [2024-11-13 22:50:59,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:59,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:50:59,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:50:59,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:50:59,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:50:59,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:50:59,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:50:59,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:50:59,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:59" (1/1) ... [2024-11-13 22:50:59,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:50:59,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:50:59,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb8c295-ec48-4f50-ad88-7dfd13b97aa6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:50:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:50:59,700 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:50:59,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:51:00,518 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-13 22:51:00,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:51:01,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:51:01,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:51:01,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:01 BoogieIcfgContainer [2024-11-13 22:51:01,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:51:01,533 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:51:01,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:51:01,546 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:51:01,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:01" (1/1) ... [2024-11-13 22:51:01,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:51:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 22:51:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 22:51:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:01,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:04,810 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 22:51:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 22:51:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 22:51:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:51:04,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:05,627 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 22:51:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 22:51:06,196 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 22:51:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:51:06,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:08,225 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 22:51:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 22:51:08,974 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 22:51:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:51:08,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:09,414 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 22:51:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-13 22:51:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-13 22:51:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:51:09,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:09,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:22,615 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 22:51:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 22:51:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 22:51:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:51:29,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-13 22:51:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-13 22:51:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:51:35,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:35,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-13 22:51:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-13 22:51:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:51:56,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-11-13 22:52:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-13 22:52:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:52:14,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 143 transitions. [2024-11-13 22:52:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2024-11-13 22:52:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:52:28,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:28,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 169 transitions. [2024-11-13 22:52:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2024-11-13 22:52:41,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:52:41,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 95 states and 185 transitions. [2024-11-13 22:52:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 185 transitions. [2024-11-13 22:52:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:52:46,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 108 states and 217 transitions. [2024-11-13 22:53:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 217 transitions. [2024-11-13 22:53:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:53:02,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:02,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2024-11-13 22:53:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2024-11-13 22:53:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:53:12,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:12,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 141 states and 297 transitions. [2024-11-13 23:00:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 297 transitions. [2024-11-13 23:00:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:00:54,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:02:44,378 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 606 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:02:52,588 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 608 DAG size of output: 542 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:03:12,228 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 604 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:03:34,762 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 606 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:03:56,451 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 608 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:04:17,877 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 598 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)