./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/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_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/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_e0108876-8f03-444c-9f06-16839fabfc1c/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_e0108876-8f03-444c-9f06-16839fabfc1c/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 d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:33:47,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:33:47,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:33:47,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:33:47,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:33:47,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:33:47,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:33:47,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:33:47,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:33:47,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:33:47,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:33:47,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:33:47,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:33:47,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:33:47,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:33:47,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:33:47,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:33:47,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:33:47,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:33:47,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:33:47,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:33:47,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:33:47,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:33:47,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:33:47,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:33:47,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:33:47,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:33:47,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:47,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:33:47,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:33:47,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:33:47,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:33:47,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:33:47,483 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_e0108876-8f03-444c-9f06-16839fabfc1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 [2024-11-08 22:33:47,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:33:47,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:33:47,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:33:47,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:33:47,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:33:47,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-08 22:33:50,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:33:50,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:33:50,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-11-08 22:33:50,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/data/0de6255f8/d763790770d940a9a71ae8b8ede1b1b7/FLAGb6a7b053b [2024-11-08 22:33:50,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/data/0de6255f8/d763790770d940a9a71ae8b8ede1b1b7 [2024-11-08 22:33:50,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:33:50,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:33:50,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:50,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:33:50,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:33:50,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:50,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bc74af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50, skipping insertion in model container [2024-11-08 22:33:50,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:50,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:33:50,869 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_e0108876-8f03-444c-9f06-16839fabfc1c/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-08 22:33:50,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:50,892 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:33:50,965 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_e0108876-8f03-444c-9f06-16839fabfc1c/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-11-08 22:33:50,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:50,990 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:33:50,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50 WrapperNode [2024-11-08 22:33:50,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:50,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:50,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:33:50,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:33:51,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,079 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 458 [2024-11-08 22:33:51,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:51,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:33:51,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:33:51,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:33:51,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:33:51,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:33:51,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:33:51,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:33:51,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:50" (1/1) ... [2024-11-08 22:33:51,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:33:51,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:33:51,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0108876-8f03-444c-9f06-16839fabfc1c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:33:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:33:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:33:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:33:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:33:51,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:33:51,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:52,063 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:52,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:53,092 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:53,093 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:33:53,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:53 BoogieIcfgContainer [2024-11-08 22:33:53,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:53,095 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:53,095 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:53,108 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:53,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 22:33:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 22:33:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:33:53,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:53,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-08 22:33:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-08 22:33:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:33:56,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-08 22:33:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-08 22:33:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:33:58,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:58,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:01,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-08 22:34:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-08 22:34:01,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:34:01,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-08 22:34:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-08 22:34:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:34:02,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-08 22:34:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-08 22:34:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:34:25,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-08 22:34:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-08 22:34:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:34:31,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:31,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-08 22:34:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-08 22:34:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:34:53,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:53,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-11-08 22:35:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-08 22:35:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:35:16,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2024-11-08 22:35:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2024-11-08 22:35:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:35:35,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2024-11-08 22:35:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2024-11-08 22:35:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:35:42,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:42,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 87 states and 167 transitions. [2024-11-08 22:35:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2024-11-08 22:35:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:35:44,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 196 transitions. [2024-11-08 22:36:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 196 transitions. [2024-11-08 22:36:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:36:01,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 108 states and 212 transitions. [2024-11-08 22:36:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 212 transitions. [2024-11-08 22:36:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:36:11,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 133 states and 279 transitions. [2024-11-08 22:38:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 279 transitions. [2024-11-08 22:38:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:38:53,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 143 states and 302 transitions. [2024-11-08 22:39:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 302 transitions. [2024-11-08 22:39:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:39:12,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:40:09,231 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 482 DAG size of output: 343 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:40:33,039 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 483 DAG size of output: 344 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:40:54,592 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 485 DAG size of output: 346 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:42:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 168 states and 368 transitions. [2024-11-08 22:42:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 368 transitions. [2024-11-08 22:42:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:42:44,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:08,672 WARN L286 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 558 DAG size of output: 342 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:22,022 WARN L286 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 560 DAG size of output: 396 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:39,474 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 559 DAG size of output: 343 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:48,920 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 561 DAG size of output: 397 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:06,772 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 561 DAG size of output: 345 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:17,188 WARN L286 SmtUtils]: Spent 9.50s on a formula simplification. DAG size of input: 563 DAG size of output: 399 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:35,677 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 551 DAG size of output: 409 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:45,952 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 553 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:47:02,476 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 554 DAG size of output: 416 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:47:10,511 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 556 DAG size of output: 480 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:47:27,436 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 556 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:47:35,326 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 558 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)