./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3 --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 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:44,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:44,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:44,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:44,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:44,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:44,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:44,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:44,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:44,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:44,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:44,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:44,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:44,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:44,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:44,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:44,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:44,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:44,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:44,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:44,280 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_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2024-11-25 01:57:44,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:44,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:44,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:44,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:44,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:44,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-25 01:57:47,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/data/71f9693a4/96e5eebe466f47dbaf70ec6b1be956bd/FLAG3523dad0e [2024-11-25 01:57:48,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:48,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-25 01:57:48,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/data/71f9693a4/96e5eebe466f47dbaf70ec6b1be956bd/FLAG3523dad0e [2024-11-25 01:57:48,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/data/71f9693a4/96e5eebe466f47dbaf70ec6b1be956bd [2024-11-25 01:57:48,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:48,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:48,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:48,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:48,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:48,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320c2c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48, skipping insertion in model container [2024-11-25 01:57:48,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:48,426 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_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-11-25 01:57:48,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:48,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:48,551 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_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-11-25 01:57:48,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:48,576 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:48,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48 WrapperNode [2024-11-25 01:57:48,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:48,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:48,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:48,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:48,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,661 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 384 [2024-11-25 01:57:48,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:48,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:48,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:48,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:48,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,701 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:48,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:48,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:48,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:48,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:48,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:48,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ab08b-ea09-4394-a29c-a9da6fa8d2ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:48,926 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:48,928 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:49,661 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:49,661 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:50,525 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:50,525 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:57:50,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50 BoogieIcfgContainer [2024-11-25 01:57:50,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:50,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:50,527 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:50,539 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:50,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50" (1/1) ... [2024-11-25 01:57:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 01:57:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 01:57:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:57:50,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-25 01:57:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-25 01:57:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:54,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-25 01:58:06,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-25 01:58:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 01:58:06,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2024-11-25 01:58:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2024-11-25 01:58:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:58:13,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 29 states and 71 transitions. [2024-11-25 01:59:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 71 transitions. [2024-11-25 01:59:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:59:29,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:29,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:08,807 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 548 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:01:17,449 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 550 DAG size of output: 476 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:01:28,933 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 544 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:01:35,865 WARN L286 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 546 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:02:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 39 states and 108 transitions. [2024-11-25 02:02:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 108 transitions. [2024-11-25 02:02:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:02:32,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2024-11-25 02:02:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2024-11-25 02:02:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:02:56,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:56,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:03:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 48 states and 148 transitions. [2024-11-25 02:03:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 148 transitions. [2024-11-25 02:03:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:03:15,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:20,173 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 600 DAG size of output: 585 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)