./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/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 de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:42:28,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:28,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:42:28,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:42:28,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:42:28,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:28,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:28,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:42:28,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:28,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:28,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:28,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:28,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:28,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:42:28,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:28,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:28,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:28,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:28,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:28,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:28,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:28,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:28,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:28,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:42:28,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:42:28,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:42:28,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:28,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:28,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:28,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:28,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:28,369 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:42:28,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:42:28,372 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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d [2024-11-09 00:42:28,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:28,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:28,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:28,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:28,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:28,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-09 00:42:31,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:31,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:31,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2024-11-09 00:42:31,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/data/069606ef1/cefacb42b608400aa2982d693ab640b3/FLAG5597b8998 [2024-11-09 00:42:31,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/data/069606ef1/cefacb42b608400aa2982d693ab640b3 [2024-11-09 00:42:31,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:31,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:31,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:31,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:31,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:31,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:31" (1/1) ... [2024-11-09 00:42:31,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d3d4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:31, skipping insertion in model container [2024-11-09 00:42:31,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:31" (1/1) ... [2024-11-09 00:42:31,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:31,924 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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2024-11-09 00:42:31,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:31,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:32,037 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_fced5a91-0922-4ea3-bc5d-afe3adf1b954/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2024-11-09 00:42:32,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:32,062 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:32,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32 WrapperNode [2024-11-09 00:42:32,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:32,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:32,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:32,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:32,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,162 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 455 [2024-11-09 00:42:32,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:32,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:32,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:32,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:32,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:32,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:32,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:32,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:32,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:32" (1/1) ... [2024-11-09 00:42:32,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:32,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:42:32,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:32,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced5a91-0922-4ea3-bc5d-afe3adf1b954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:42:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:32,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:32,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:33,314 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:33,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:34,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:34,304 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:42:34,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:34 BoogieIcfgContainer [2024-11-09 00:42:34,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:34,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:42:34,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:42:34,319 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:42:34,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:34" (1/1) ... [2024-11-09 00:42:34,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-09 00:42:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-09 00:42:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:42:34,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-09 00:42:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-09 00:42:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:42:38,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-09 00:42:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-09 00:42:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:42:40,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:40,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-11-09 00:42:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-11-09 00:42:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:42:43,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:43,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-09 00:42:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-09 00:42:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:42:44,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-09 00:43:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-09 00:43:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:43:06,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2024-11-09 00:43:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-11-09 00:43:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:43:12,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:12,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-09 00:43:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-09 00:43:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:43:39,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2024-11-09 00:44:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2024-11-09 00:44:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:44:05,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:05,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 147 transitions. [2024-11-09 00:44:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 147 transitions. [2024-11-09 00:44:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:44:24,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:24,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 172 transitions. [2024-11-09 00:44:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 172 transitions. [2024-11-09 00:44:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:44:42,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 94 states and 203 transitions. [2024-11-09 00:45:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 203 transitions. [2024-11-09 00:45:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:45:02,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:02,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 101 states and 218 transitions. [2024-11-09 00:45:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 218 transitions. [2024-11-09 00:45:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:45:09,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:09,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 102 states and 223 transitions. [2024-11-09 00:45:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 223 transitions. [2024-11-09 00:45:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:45:11,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 103 states and 226 transitions. [2024-11-09 00:45:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 226 transitions. [2024-11-09 00:45:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:45:17,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 128 states and 293 transitions. [2024-11-09 00:48:32,112 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 293 transitions. [2024-11-09 00:48:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:48:32,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:32,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,384 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 440 DAG size of output: 434 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:53:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:21,997 WARN L286 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 608 DAG size of output: 379 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:54:38,694 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 610 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:55:07,099 WARN L286 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 610 DAG size of output: 381 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:55:15,915 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 612 DAG size of output: 434 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:55:44,218 WARN L286 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 612 DAG size of output: 383 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:55:54,351 WARN L286 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 614 DAG size of output: 436 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:56:16,829 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 581 DAG size of output: 422 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:56:30,164 WARN L286 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 583 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)