./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk --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 c82e02bad63eada28ee405f8cd74dfaf9484d0aadaa27f27fe076fa722fdcdb7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:19,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:19,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:11:19,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:11:19,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:11:19,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:19,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:19,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:19,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:19,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:19,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:19,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:19,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:11:19,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:11:19,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:11:19,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:19,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:19,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:19,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:19,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:19,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:11:19,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:19,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:19,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:19,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:19,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:19,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:19,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:19,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:19,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:19,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:19,374 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:11:19,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:11:19,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c82e02bad63eada28ee405f8cd74dfaf9484d0aadaa27f27fe076fa722fdcdb7 [2024-11-08 23:11:19,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:19,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:19,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:19,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:19,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:19,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-08 23:11:22,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:22,396 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:22,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c [2024-11-08 23:11:22,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/data/9588ef429/8032044bfa2143ddb2378b68e39e3ea7/FLAG2dc506f9e [2024-11-08 23:11:22,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/data/9588ef429/8032044bfa2143ddb2378b68e39e3ea7 [2024-11-08 23:11:22,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:22,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:22,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:22,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:22,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:22,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:22" (1/1) ... [2024-11-08 23:11:22,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b6738c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:22, skipping insertion in model container [2024-11-08 23:11:22,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:22" (1/1) ... [2024-11-08 23:11:22,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:22,981 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_c350a347-226a-497d-8b77-ad313c49682e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c[16852,16865] [2024-11-08 23:11:22,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:23,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:23,137 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_c350a347-226a-497d-8b77-ad313c49682e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c[16852,16865] [2024-11-08 23:11:23,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:23,171 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:23,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23 WrapperNode [2024-11-08 23:11:23,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:23,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:23,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:23,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:23,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,250 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 450 [2024-11-08 23:11:23,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:23,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:23,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:23,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:23,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:23,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:23,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:23,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:23,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:23" (1/1) ... [2024-11-08 23:11:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:23,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:23,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:23,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c350a347-226a-497d-8b77-ad313c49682e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:11:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:23,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:23,629 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:23,631 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:24,401 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:24,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:25,293 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:25,294 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:11:25,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:25 BoogieIcfgContainer [2024-11-08 23:11:25,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:25,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:25,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:25,308 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:25,308 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:25" (1/1) ... [2024-11-08 23:11:25,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:11:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:11:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:11:25,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:11:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:11:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:11:29,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-08 23:11:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-08 23:11:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:11:47,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2024-11-08 23:11:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2024-11-08 23:11:57,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:11:57,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:57,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2024-11-08 23:14:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2024-11-08 23:14:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:14:13,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:13,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:27,122 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 598 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:00,706 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 649 DAG size of output: 549 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:11,413 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 622 DAG size of output: 568 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:17,160 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 550 DAG size of output: 540 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:23,324 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 569 DAG size of output: 566 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:31,570 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 616 DAG size of output: 553 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:41,138 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 618 DAG size of output: 574 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:48,185 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 554 DAG size of output: 548 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:19:54,000 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 575 DAG size of output: 572 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:20:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2024-11-08 23:20:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2024-11-08 23:20:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:20:28,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2024-11-08 23:20:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2024-11-08 23:20:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:20:54,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:54,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 47 states and 112 transitions. [2024-11-08 23:21:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 112 transitions. [2024-11-08 23:21:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:21:31,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:31,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat