./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.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_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/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_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/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_398e26fa-b483-45e5-851e-3db250c9f5fe/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 e3fe12f9ba7a27693660ab3b9c436489448c0880075d8a5a83d98427fc7a74d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:53:33,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:53:33,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:53:33,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:53:33,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:53:33,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:53:33,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:53:33,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:53:33,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:53:33,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:53:33,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:53:33,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:53:33,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:53:33,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:53:33,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:53:33,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:53:33,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:53:33,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:53:33,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:53:33,895 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:53:33,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:53:33,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:53:33,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:53:33,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:53:33,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:53:33,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:53:33,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:53:33,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:33,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:53:33,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:53:33,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:53:33,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:53:33,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:53:33,901 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_398e26fa-b483-45e5-851e-3db250c9f5fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3fe12f9ba7a27693660ab3b9c436489448c0880075d8a5a83d98427fc7a74d3 [2024-11-09 00:53:34,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:53:34,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:53:34,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:53:34,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:53:34,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:53:34,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-09 00:53:36,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:53:36,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:53:36,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c [2024-11-09 00:53:36,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/data/b0bc29062/bd91507f53f14a8baded58f377cedbf4/FLAG2386737b9 [2024-11-09 00:53:36,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/data/b0bc29062/bd91507f53f14a8baded58f377cedbf4 [2024-11-09 00:53:36,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:53:36,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:53:36,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:36,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:53:36,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:53:36,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:36" (1/1) ... [2024-11-09 00:53:36,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475cabb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:36, skipping insertion in model container [2024-11-09 00:53:36,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:36" (1/1) ... [2024-11-09 00:53:36,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:53:37,040 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_398e26fa-b483-45e5-851e-3db250c9f5fe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c[6899,6912] [2024-11-09 00:53:37,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:37,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:53:37,113 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_398e26fa-b483-45e5-851e-3db250c9f5fe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c[6899,6912] [2024-11-09 00:53:37,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:37,134 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:37,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37 WrapperNode [2024-11-09 00:53:37,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:37,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:37,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:37,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:37,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,185 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 248 [2024-11-09 00:53:37,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:37,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:37,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:37,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:37,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:37,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:37,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:37,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:37,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:37,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:37,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:37,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398e26fa-b483-45e5-851e-3db250c9f5fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:53:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:37,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:37,437 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:37,949 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 00:53:37,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:38,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:53:38,428 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:53:38,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:38 BoogieIcfgContainer [2024-11-09 00:53:38,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:53:38,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:53:38,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:53:38,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:53:38,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:53:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:53:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:53:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:53:38,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:38,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:53:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:53:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:53:40,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:46,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-09 00:53:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-09 00:53:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:53:46,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2024-11-09 00:53:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2024-11-09 00:53:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:50,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:50,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2024-11-09 00:55:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2024-11-09 00:55:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:11,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 85 transitions. [2024-11-09 00:56:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 85 transitions. [2024-11-09 00:56:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:56:10,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:10,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:56:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 43 states and 106 transitions. [2024-11-09 00:56:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 106 transitions. [2024-11-09 00:56:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:56:28,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:56:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2024-11-09 00:56:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2024-11-09 00:56:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:56:46,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:46,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:56:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:07,887 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 363 DAG size of output: 330 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:01:22,356 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 359 DAG size of output: 326 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:02:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 64 states and 187 transitions. [2024-11-09 01:02:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 187 transitions. [2024-11-09 01:02:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 01:02:15,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:21,734 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 421 DAG size of output: 338 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:05:28,867 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 423 DAG size of output: 353 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:05:40,396 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 417 DAG size of output: 334 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:05:45,987 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 419 DAG size of output: 349 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:06:50,895 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 414 DAG size of output: 374 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:07:10,147 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 403 DAG size of output: 370 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)