./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:45,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:45,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:06:45,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:06:45,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:06:45,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:45,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:45,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:45,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:45,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:45,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:45,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:45,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:06:45,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:06:45,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:45,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:06:45,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:45,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:45,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:45,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:45,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:45,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:45,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:45,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:45,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:45,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:45,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:06:45,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:06:45,343 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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/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 -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2024-11-13 23:06:45,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:45,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:45,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:45,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:45,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:45,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 23:06:47,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:48,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:48,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2024-11-13 23:06:48,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/data/5c69c2043/60db93dda3474d27a3dce3564e323dac/FLAG958735539 [2024-11-13 23:06:48,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/data/5c69c2043/60db93dda3474d27a3dce3564e323dac [2024-11-13 23:06:48,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:48,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:48,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:48,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:48,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:48,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3676a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48, skipping insertion in model container [2024-11-13 23:06:48,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:48,647 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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2024-11-13 23:06:48,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:48,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:48,762 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_2f590b3b-c494-43d5-a6b0-8607e5038eb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2024-11-13 23:06:48,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:48,794 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:48,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48 WrapperNode [2024-11-13 23:06:48,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:48,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:48,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:48,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:48,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,860 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2024-11-13 23:06:48,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:48,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:48,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:48,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:48,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:48,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:48,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:48,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:48,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48" (1/1) ... [2024-11-13 23:06:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:48,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:48,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f590b3b-c494-43d5-a6b0-8607e5038eb8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:06:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:49,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:49,129 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:50,028 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:50,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:50,933 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:50,933 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:06:50,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:50 BoogieIcfgContainer [2024-11-13 23:06:50,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:50,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:50,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:50,949 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:50,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:50" (1/1) ... [2024-11-13 23:06:50,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 23:06:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 23:06:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:06:51,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:51,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:54,470 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 23:06:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 23:06:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 23:06:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:54,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:54,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:55,383 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 23:06:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 23:06:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 23:06:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:55,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:55,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:57,669 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 23:06:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 23:06:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 23:06:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:06:58,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:58,848 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 23:06:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-13 23:06:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-13 23:06:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:06:59,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:10,146 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 23:07:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-13 23:07:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 23:07:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:07:17,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:18,344 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 23:07:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-11-13 23:07:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-13 23:07:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:07:23,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:33,384 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 23:07:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2024-11-13 23:07:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2024-11-13 23:07:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:07:42,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:42,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:49,773 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 23:07:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2024-11-13 23:07:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2024-11-13 23:07:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:07:59,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:59,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:01,956 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 23:08:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 141 transitions. [2024-11-13 23:08:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 141 transitions. [2024-11-13 23:08:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:08:15,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:18,018 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 23:08:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 166 transitions. [2024-11-13 23:08:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 166 transitions. [2024-11-13 23:08:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:08:29,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:30,522 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 23:08:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 93 states and 178 transitions. [2024-11-13 23:08:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 178 transitions. [2024-11-13 23:08:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:08:34,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:37,542 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 23:08:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 182 transitions. [2024-11-13 23:08:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 182 transitions. [2024-11-13 23:08:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:08:39,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:41,402 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 23:08:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 95 states and 185 transitions. [2024-11-13 23:08:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 185 transitions. [2024-11-13 23:08:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:08:42,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:42,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:43,148 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 23:08:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2024-11-13 23:08:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2024-11-13 23:08:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:08:44,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:44,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:27,047 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 23:10:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 121 states and 247 transitions. [2024-11-13 23:10:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 247 transitions. [2024-11-13 23:10:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:10:43,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,840 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 23:18:34,141 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 448 DAG size of output: 376 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:18:52,844 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 450 DAG size of output: 378 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:19:10,150 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 452 DAG size of output: 380 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:19:29,886 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 461 DAG size of output: 421 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:19:50,083 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 460 DAG size of output: 366 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:20:10,107 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 462 DAG size of output: 368 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)