./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/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 d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:44,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:44,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:44,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:44,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:44,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:44,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:44,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:44,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:44,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:44,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:44,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:44,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:44,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:44,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:44,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:44,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:44,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:44,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:44,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:44,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:44,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:44,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:44,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:44,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:44,400 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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/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 -> d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 [2024-11-25 01:57:44,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:44,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:44,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:44,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:44,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:44,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-11-25 01:57:47,680 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/data/058ba8240/1372d5a48cfa492580dccb8a2807cf9e/FLAG7916d4c03 [2024-11-25 01:57:47,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:47,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-11-25 01:57:47,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/data/058ba8240/1372d5a48cfa492580dccb8a2807cf9e/FLAG7916d4c03 [2024-11-25 01:57:48,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/data/058ba8240/1372d5a48cfa492580dccb8a2807cf9e [2024-11-25 01:57:48,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:48,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:48,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:48,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:48,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:48,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2081efe4 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 01:57:48,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:48,417 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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-25 01:57:48,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:48,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:48,503 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_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-25 01:57:48,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:48,529 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:48,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48 WrapperNode [2024-11-25 01:57:48,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:48,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:48,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:48,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:48,546 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 01:57:48,579 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 01:57:48,647 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 458 [2024-11-25 01:57:48,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:48,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:48,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:48,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:48,664 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 01:57:48,664 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 01:57:48,673 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 01:57:48,685 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 01:57:48,706 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 01:57:48,711 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 01:57:48,725 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 01:57:48,731 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 01:57:48,736 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 01:57:48,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:48,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:48,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:48,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:48,745 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 01:57:48,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:48,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:48,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa36e5d-5c38-44fc-bc95-6a9325aafee2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:48,938 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:48,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:49,854 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:49,854 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:50,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:50,877 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:57:50,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50 BoogieIcfgContainer [2024-11-25 01:57:50,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:50,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:50,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:50,889 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:50,889 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 01:57:50,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-25 01:57:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-25 01:57:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:57:50,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:54,088 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 01:57:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 01:57:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 01:57:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:54,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:54,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:54,872 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 01:57:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-25 01:57:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-25 01:57:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 01:57:55,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:56,927 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 01:57:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 01:57:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 01:57:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:57,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:57,895 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 01:57:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-25 01:57:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-25 01:57:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 01:57:58,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:16,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-25 01:58:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-25 01:58:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:58:16,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-25 01:58:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-25 01:58:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:58:22,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-25 01:58:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-25 01:58:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:58:39,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:39,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-11-25 01:58:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-25 01:58:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 01:58:56,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2024-11-25 01:59:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2024-11-25 01:59:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:11,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:11,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2024-11-25 01:59:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2024-11-25 01:59:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:16,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 98 states and 196 transitions. [2024-11-25 01:59:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 196 transitions. [2024-11-25 01:59:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:32,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 106 states and 213 transitions. [2024-11-25 01:59:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 213 transitions. [2024-11-25 01:59:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 01:59:40,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:40,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 112 states and 225 transitions. [2024-11-25 01:59:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 225 transitions. [2024-11-25 01:59:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 01:59:47,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:47,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:05:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 137 states and 291 transitions. [2024-11-25 02:05:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 291 transitions. [2024-11-25 02:05:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:05:02,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:02,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:08:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 162 states and 363 transitions. [2024-11-25 02:08:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 363 transitions. [2024-11-25 02:08:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:08:45,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:45,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:08:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat