./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm --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 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:42:22,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:42:22,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:42:22,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:42:22,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:42:22,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:42:22,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:42:22,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:42:22,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:42:22,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:42:22,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:42:22,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:42:22,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:42:22,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:42:22,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:42:22,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:42:22,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:42:22,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:22,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:42:22,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:42:22,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:42:22,852 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:42:22,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:42:22,852 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_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm 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 -> 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 [2024-11-13 20:42:23,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:42:23,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:42:23,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:42:23,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:42:23,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:42:23,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c Unable to find full path for "g++" [2024-11-13 20:42:25,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:42:25,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:42:25,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2024-11-13 20:42:25,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/data/f013a23ac/dd897648a66e46c5a7014b99a98af0bb/FLAG08a96ed62 [2024-11-13 20:42:25,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/data/f013a23ac/dd897648a66e46c5a7014b99a98af0bb [2024-11-13 20:42:25,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:42:25,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:42:25,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:25,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:42:25,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:42:25,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:25,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1a12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25, skipping insertion in model container [2024-11-13 20:42:25,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:25,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:42:25,863 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_02e98900-3e26-4971-b4f3-71344e26360b/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2024-11-13 20:42:25,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:25,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:42:25,926 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_02e98900-3e26-4971-b4f3-71344e26360b/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2024-11-13 20:42:25,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:25,946 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:42:25,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25 WrapperNode [2024-11-13 20:42:25,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:25,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:25,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:42:25,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:42:25,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:25,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,016 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 277 [2024-11-13 20:42:26,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:26,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:42:26,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:42:26,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:42:26,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:42:26,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:42:26,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:42:26,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:42:26,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:25" (1/1) ... [2024-11-13 20:42:26,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:42:26,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:42:26,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e98900-3e26-4971-b4f3-71344e26360b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:42:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:42:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:42:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:42:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:42:26,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:42:26,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:26,725 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:26,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:27,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:27,161 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:42:27,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:27 BoogieIcfgContainer [2024-11-13 20:42:27,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:27,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:27,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:27,175 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:27,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:27" (1/1) ... [2024-11-13 20:42:27,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 20:42:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 20:42:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:42:27,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:27,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-13 20:42:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-13 20:42:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:42:29,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2024-11-13 20:42:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2024-11-13 20:42:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:42:30,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-13 20:42:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-13 20:42:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:42:31,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:31,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 20:42:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 20:42:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:42:32,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:32,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-11-13 20:42:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-11-13 20:42:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:42:40,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:40,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2024-11-13 20:42:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2024-11-13 20:42:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:42:43,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2024-11-13 20:42:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2024-11-13 20:42:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:52,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 64 states and 138 transitions. [2024-11-13 20:43:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 138 transitions. [2024-11-13 20:43:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:00,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2024-11-13 20:43:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2024-11-13 20:43:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:05,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 77 states and 178 transitions. [2024-11-13 20:43:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2024-11-13 20:43:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:09,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 80 states and 189 transitions. [2024-11-13 20:43:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 189 transitions. [2024-11-13 20:43:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:12,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:12,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 81 states and 192 transitions. [2024-11-13 20:43:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 192 transitions. [2024-11-13 20:43:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:14,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 91 states and 221 transitions. [2024-11-13 20:43:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 221 transitions. [2024-11-13 20:43:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:23,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 93 states and 226 transitions. [2024-11-13 20:43:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 226 transitions. [2024-11-13 20:43:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:26,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:26,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 94 states and 227 transitions. [2024-11-13 20:43:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 227 transitions. [2024-11-13 20:43:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:43:27,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:27,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 95 states and 228 transitions. [2024-11-13 20:43:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 228 transitions. [2024-11-13 20:43:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:43:28,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:47:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 121 states and 311 transitions. [2024-11-13 20:47:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 311 transitions. [2024-11-13 20:47:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:47:42,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 146 states and 395 transitions. [2024-11-13 20:51:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 395 transitions. [2024-11-13 20:51:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:51:11,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:44,087 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 495 DAG size of output: 409 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:52:52,723 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 497 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:53:06,674 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 464 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:53:16,526 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 493 DAG size of output: 407 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:53:22,882 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 495 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:54:37,095 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 487 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:56:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 171 states and 489 transitions. [2024-11-13 20:56:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 489 transitions. [2024-11-13 20:56:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:56:22,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat