./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.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_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/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_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/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_fedd8306-856e-4088-8315-752e633180b4/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 cea4cc3548129351800c62333a8b3afa818cc0cede5b8fec1c7e8b8079e480c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:31,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:31,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:16:31,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:31,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:31,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:31,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:16:31,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:16:31,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:31,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:31,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:31,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:31,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:31,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:31,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:31,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:31,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:31,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:16:31,325 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:31,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:31,325 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_fedd8306-856e-4088-8315-752e633180b4/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 -> cea4cc3548129351800c62333a8b3afa818cc0cede5b8fec1c7e8b8079e480c6 [2024-11-13 22:16:31,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:31,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:31,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:31,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:31,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:31,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c Unable to find full path for "g++" [2024-11-13 22:16:33,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:16:33,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:16:33,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2024-11-13 22:16:33,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/data/941445e57/6ecbe7acec7e4151b0ae699db94458c5/FLAG415bcfb5d [2024-11-13 22:16:34,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/data/941445e57/6ecbe7acec7e4151b0ae699db94458c5 [2024-11-13 22:16:34,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:16:34,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:16:34,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:34,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:16:34,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:16:34,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6286514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34, skipping insertion in model container [2024-11-13 22:16:34,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:16:34,389 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_fedd8306-856e-4088-8315-752e633180b4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2024-11-13 22:16:34,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:34,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:16:34,462 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_fedd8306-856e-4088-8315-752e633180b4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2024-11-13 22:16:34,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:34,478 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:16:34,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34 WrapperNode [2024-11-13 22:16:34,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:34,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:34,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:16:34,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:16:34,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,559 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 382 [2024-11-13 22:16:34,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:34,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:16:34,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:16:34,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:16:34,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:16:34,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:16:34,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:16:34,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:16:34,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:34" (1/1) ... [2024-11-13 22:16:34,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:34,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:16:34,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:16:34,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedd8306-856e-4088-8315-752e633180b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:16:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:16:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:16:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:16:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:16:34,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:16:34,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:16:35,454 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 22:16:35,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:16:36,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:16:36,193 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:16:36,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:36 BoogieIcfgContainer [2024-11-13 22:16:36,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:16:36,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:16:36,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:16:36,206 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:16:36,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:36" (1/1) ... [2024-11-13 22:16:36,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:16:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:16:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:16:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:16:36,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:36,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:39,157 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 22:16:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:39,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 22:16:39,298 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 22:16:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:16:39,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-13 22:16:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-13 22:16:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:16:48,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2024-11-13 22:16:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2024-11-13 22:16:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:16:54,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:54,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 29 states and 69 transitions. [2024-11-13 22:17:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 69 transitions. [2024-11-13 22:17:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:17:56,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 39 states and 104 transitions. [2024-11-13 22:20:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 104 transitions. [2024-11-13 22:20:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:20:24,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2024-11-13 22:20:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2024-11-13 22:20:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:20:42,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:42,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:51,329 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 620 DAG size of output: 612 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)