./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.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_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/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_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/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_2158e319-4aa0-418e-92c6-998bf8978d3c/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 52f795f47ad9dd0b1b0499f649b5f623fed211e53433ed6d87534c63dbfae98b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:26,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:26,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:24:26,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:24:26,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:24:26,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:26,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:26,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:26,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:26,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:26,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:26,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:26,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:24:26,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:24:26,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:24:26,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:26,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:26,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:26,574 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:26,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:26,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:26,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:26,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:26,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:26,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:26,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:24:26,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:24:26,576 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_2158e319-4aa0-418e-92c6-998bf8978d3c/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 -> 52f795f47ad9dd0b1b0499f649b5f623fed211e53433ed6d87534c63dbfae98b [2024-11-13 22:24:27,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:27,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:27,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:27,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:27,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:27,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 22:24:29,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:30,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:30,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c [2024-11-13 22:24:30,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/data/44b3e796e/63d192062c1a415890daf5679db47cae/FLAGf696d3058 [2024-11-13 22:24:30,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/data/44b3e796e/63d192062c1a415890daf5679db47cae [2024-11-13 22:24:30,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:30,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:30,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:30,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:30,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:30,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec578a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30, skipping insertion in model container [2024-11-13 22:24:30,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:30,735 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_2158e319-4aa0-418e-92c6-998bf8978d3c/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c[8305,8318] [2024-11-13 22:24:30,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:30,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:30,822 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_2158e319-4aa0-418e-92c6-998bf8978d3c/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c[8305,8318] [2024-11-13 22:24:30,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:30,853 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:30,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30 WrapperNode [2024-11-13 22:24:30,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:30,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:30,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:30,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:30,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,909 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 277 [2024-11-13 22:24:30,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:30,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:30,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:30,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:30,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:30,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:30,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:30,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:30,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:30" (1/1) ... [2024-11-13 22:24:30,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:30,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:31,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:31,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2158e319-4aa0-418e-92c6-998bf8978d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:24:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:31,212 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:31,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:31,812 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:31,813 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:32,360 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:32,360 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:24:32,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:32 BoogieIcfgContainer [2024-11-13 22:24:32,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:32,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:32,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:32,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:32,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:32" (1/1) ... [2024-11-13 22:24:32,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 22:24:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 22:24:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:24:32,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:32,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:34,943 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 22:24:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 22:24:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 22:24:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:24:35,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:35,811 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 22:24:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 22:24:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 22:24:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:24:36,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:37,333 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 22:24:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 22:24:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 22:24:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:24:37,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:37,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:38,254 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 22:24:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-13 22:24:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-13 22:24:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:24:38,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:44,933 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 22:24:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 22:24:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 22:24:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:49,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:49,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:50,078 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 22:24:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-13 22:24:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-13 22:24:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:52,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:59,983 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 22:25:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2024-11-13 22:25:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2024-11-13 22:25:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:05,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:05,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:11,520 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 22:25:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2024-11-13 22:25:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2024-11-13 22:25:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:25:18,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2024-11-13 22:25:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2024-11-13 22:25:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:25:28,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:28,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:30,695 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 22:25:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 158 transitions. [2024-11-13 22:25:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-11-13 22:25:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:25:38,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:39,100 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 22:25:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 88 states and 170 transitions. [2024-11-13 22:25:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2024-11-13 22:25:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:25:42,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:42,649 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 22:25:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 89 states and 171 transitions. [2024-11-13 22:25:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2024-11-13 22:25:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:25:43,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2024-11-13 22:25:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2024-11-13 22:25:46,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:25:46,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:46,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 100 states and 194 transitions. [2024-11-13 22:25:52,316 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2024-11-13 22:25:52,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:25:52,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:52,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:33,547 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 22:27:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 125 states and 253 transitions. [2024-11-13 22:27:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 253 transitions. [2024-11-13 22:27:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:27:37,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:50,557 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 22:29:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 150 states and 320 transitions. [2024-11-13 22:29:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 320 transitions. [2024-11-13 22:29:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:29:11,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:11,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:29:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 175 states and 377 transitions. [2024-11-13 22:32:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 377 transitions. [2024-11-13 22:32:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:32:03,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 183 states and 402 transitions. [2024-11-13 22:32:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 402 transitions. [2024-11-13 22:32:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:32:23,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 207 states and 463 transitions. [2024-11-13 22:35:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 463 transitions. [2024-11-13 22:35:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:35:00,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:10,907 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 457 DAG size of output: 315 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:20,041 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 459 DAG size of output: 346 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:35,041 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 458 DAG size of output: 336 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:42,202 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 460 DAG size of output: 372 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:38:01,291 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 457 DAG size of output: 338 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:38:22,928 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 459 DAG size of output: 340 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)