./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.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_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/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_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/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_f2b8d758-ec60-4990-965d-a67e78740774/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 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:40,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:40,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:45:40,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:45:40,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:45:40,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:40,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:40,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:40,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:40,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:40,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:40,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:40,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:45:40,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:45:40,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:45:40,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:45:40,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:40,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:40,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:40,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:40,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:40,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:40,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:40,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:40,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:40,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:40,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:45:40,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:45:40,977 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_f2b8d758-ec60-4990-965d-a67e78740774/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 -> 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 [2024-11-13 22:45:41,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:41,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:41,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:41,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:41,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:41,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 22:45:43,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:43,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:43,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2024-11-13 22:45:43,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/data/bd392cc13/bf8b0d04bc7d4def893c96d12a575b6a/FLAGffa69e51a [2024-11-13 22:45:43,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/data/bd392cc13/bf8b0d04bc7d4def893c96d12a575b6a [2024-11-13 22:45:43,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:43,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:43,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:43,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:43,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:43,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:43" (1/1) ... [2024-11-13 22:45:43,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7cabdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:43, skipping insertion in model container [2024-11-13 22:45:43,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:43" (1/1) ... [2024-11-13 22:45:43,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:44,044 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_f2b8d758-ec60-4990-965d-a67e78740774/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2024-11-13 22:45:44,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:44,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:44,113 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_f2b8d758-ec60-4990-965d-a67e78740774/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2024-11-13 22:45:44,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:44,129 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:44,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44 WrapperNode [2024-11-13 22:45:44,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:44,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:44,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:44,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:44,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,175 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 395 [2024-11-13 22:45:44,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:44,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:44,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:44,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:44,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:44,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:44,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:44,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:44,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:44" (1/1) ... [2024-11-13 22:45:44,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:44,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:44,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:44,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b8d758-ec60-4990-965d-a67e78740774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:45:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:44,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:44,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:45,016 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:45,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:45,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:45,745 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:45:45,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:45 BoogieIcfgContainer [2024-11-13 22:45:45,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:45,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:45,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:45,757 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:45,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:45" (1/1) ... [2024-11-13 22:45:45,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 22:45:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 22:45:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:45:45,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:48,666 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 22:45:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 22:45:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 22:45:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:45:48,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:48,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:49,365 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 22:45:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 22:45:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 22:45:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:45:49,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:49,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:51,113 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 22:45:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-11-13 22:45:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-11-13 22:45:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:45:51,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:51,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:52,212 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 22:45:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2024-11-13 22:45:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2024-11-13 22:45:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:45:52,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:52,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:00,466 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 22:46:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-13 22:46:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-13 22:46:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:46:06,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:06,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:07,502 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 22:46:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2024-11-13 22:46:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-13 22:46:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:46:12,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:12,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:19,479 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 22:46:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-13 22:46:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-13 22:46:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:46:29,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:29,912 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 22:46:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2024-11-13 22:46:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2024-11-13 22:46:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:46:30,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:33,156 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 22:46:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 65 states and 134 transitions. [2024-11-13 22:46:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 134 transitions. [2024-11-13 22:46:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:46:44,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:44,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:47,546 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 22:46:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 78 states and 166 transitions. [2024-11-13 22:46:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 166 transitions. [2024-11-13 22:46:58,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:46:58,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:01,415 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 22:47:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 80 states and 171 transitions. [2024-11-13 22:47:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 171 transitions. [2024-11-13 22:47:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:47:03,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:03,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:04,528 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 22:47:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 86 states and 183 transitions. [2024-11-13 22:47:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 183 transitions. [2024-11-13 22:47:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:47:08,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:08,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:09,305 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 22:47:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 87 states and 184 transitions. [2024-11-13 22:47:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 184 transitions. [2024-11-13 22:47:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:47:10,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:12,526 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 22:47:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 88 states and 187 transitions. [2024-11-13 22:47:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2024-11-13 22:47:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:47:13,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:14,702 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 22:47:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 94 states and 202 transitions. [2024-11-13 22:47:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2024-11-13 22:47:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:47:19,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:19,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 92 states and 189 transitions. [2024-11-13 22:47:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 189 transitions. [2024-11-13 22:47:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:47:23,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:12,349 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 22:49:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 118 states and 257 transitions. [2024-11-13 22:49:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 257 transitions. [2024-11-13 22:49:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:49:54,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:30,832 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 22:52:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 144 states and 321 transitions. [2024-11-13 22:52:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 321 transitions. [2024-11-13 22:52:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:52:49,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:49,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:56:45,748 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 22:57:03,605 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 571 DAG size of output: 421 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:57:14,245 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 573 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:57:36,271 WARN L286 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 573 DAG size of output: 423 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:57:44,103 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 575 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:58:06,125 WARN L286 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 575 DAG size of output: 425 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:58:13,835 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 577 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:58:37,289 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 625 DAG size of output: 426 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:58:50,446 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 627 DAG size of output: 526 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:03,627 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 527 DAG size of output: 527 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:19,318 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 606 DAG size of output: 422 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:28,638 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification. DAG size of input: 608 DAG size of output: 533 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:42,181 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 534 DAG size of output: 534 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:50,493 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 608 DAG size of output: 424 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:59:59,320 WARN L286 SmtUtils]: Spent 7.93s on a formula simplification. DAG size of input: 610 DAG size of output: 535 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)