./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:50:40,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:50:40,915 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:50:40,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:50:40,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:50:40,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:50:40,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:50:40,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:50:40,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:50:40,956 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:50:40,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:50:40,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:50:40,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:50:40,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:50:40,959 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:50:40,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:50:40,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:50:40,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:50:40,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:50:40,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:50:40,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:50:40,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:50:40,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:50:40,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:50:40,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:50:40,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:50:40,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:50:40,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:50:40,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:50:40,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:50:40,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:50:40,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:50:40,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:50:40,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:50:40,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:50:40,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:50:40,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:50:40,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:50:40,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:50:40,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:50:40,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:50:40,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:50:40,970 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 [2024-11-18 14:50:41,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:50:41,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:50:41,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:50:41,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:50:41,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:50:41,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2024-11-18 14:50:42,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:50:43,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:50:43,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2024-11-18 14:50:43,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2751c1a13/4a4cd758983e4b9eb9f0df2ec2c35fec/FLAGbcd3344bd [2024-11-18 14:50:43,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2751c1a13/4a4cd758983e4b9eb9f0df2ec2c35fec [2024-11-18 14:50:43,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:50:43,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:50:43,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:50:43,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:50:43,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:50:43,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:43" (1/1) ... [2024-11-18 14:50:43,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f716652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:43, skipping insertion in model container [2024-11-18 14:50:43,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:43" (1/1) ... [2024-11-18 14:50:43,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:50:43,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2024-11-18 14:50:43,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:50:43,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:50:43,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [39] [2024-11-18 14:50:43,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2024-11-18 14:50:44,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:50:44,272 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:50:44,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44 WrapperNode [2024-11-18 14:50:44,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:50:44,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:50:44,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:50:44,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:50:44,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:44,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:44,801 INFO L138 Inliner]: procedures = 70, calls = 5728, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12651 [2024-11-18 14:50:44,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:50:44,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:50:44,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:50:44,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:50:44,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:44,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:44,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,089 INFO L175 MemorySlicer]: Split 4157 memory accesses to 27 slices as follows [8, 2, 379, 455, 113, 113, 180, 203, 180, 2, 203, 2, 180, 203, 180, 203, 180, 203, 180, 8, 203, 180, 203, 4, 180, 203, 7]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 2, 27, 27, 27, 27, 27, 27, 27, 0, 27, 0, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 0, 27, 27, 2]. The 553 writes are split as follows [4, 0, 27, 27, 27, 27, 28, 26, 28, 1, 26, 1, 28, 26, 28, 26, 28, 26, 28, 4, 26, 28, 26, 0, 28, 26, 3]. [2024-11-18 14:50:45,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:50:45,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:50:45,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:50:45,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:50:45,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (1/1) ... [2024-11-18 14:50:45,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:50:45,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:50:45,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 14:50:45,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 14:50:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2024-11-18 14:50:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2024-11-18 14:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-18 14:50:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-18 14:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:50:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:50:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:50:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:50:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-18 14:50:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-18 14:50:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-18 14:50:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:50:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:50:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:50:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:50:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:50:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:50:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:50:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-18 14:50:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:50:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-18 14:50:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-18 14:50:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-18 14:50:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:50:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:50:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:50:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:50:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:50:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 14:50:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:50:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:50:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-18 14:50:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-18 14:50:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-18 14:50:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 14:50:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:50:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:50:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:50:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-18 14:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-18 14:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-18 14:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-18 14:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-18 14:50:46,316 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:50:46,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:50:58,471 INFO L? ?]: Removed 504 outVars from TransFormulas that were not future-live. [2024-11-18 14:50:58,471 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:50:58,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:50:58,538 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:50:58,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:58 BoogieIcfgContainer [2024-11-18 14:50:58,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:50:58,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:50:58,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:50:58,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:50:58,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:50:43" (1/3) ... [2024-11-18 14:50:58,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a5f037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:58, skipping insertion in model container [2024-11-18 14:50:58,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:44" (2/3) ... [2024-11-18 14:50:58,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a5f037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:58, skipping insertion in model container [2024-11-18 14:50:58,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:58" (3/3) ... [2024-11-18 14:50:58,548 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-1.c [2024-11-18 14:50:58,608 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:50:58,608 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:50:58,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:50:58,769 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4315ac2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:50:58,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:50:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 3448 states, 1916 states have (on average 1.1764091858037578) internal successors, (2254), 2046 states have internal predecessors, (2254), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) [2024-11-18 14:50:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2024-11-18 14:50:58,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:50:58,863 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:50:58,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:50:58,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:50:58,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1622967525, now seen corresponding path program 1 times [2024-11-18 14:50:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:50:58,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072379923] [2024-11-18 14:50:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:50:58,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-18 14:51:02,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:02,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072379923] [2024-11-18 14:51:02,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072379923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:02,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810570330] [2024-11-18 14:51:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:02,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:02,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:51:02,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:51:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:05,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:51:05,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:51:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-18 14:51:05,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:51:05,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810570330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:05,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:51:05,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 14:51:05,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781803229] [2024-11-18 14:51:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:06,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:51:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:06,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:51:06,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:51:06,046 INFO L87 Difference]: Start difference. First operand has 3448 states, 1916 states have (on average 1.1764091858037578) internal successors, (2254), 2046 states have internal predecessors, (2254), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) Second operand has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-18 14:51:06,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:06,320 INFO L93 Difference]: Finished difference Result 6891 states and 12004 transitions. [2024-11-18 14:51:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:51:06,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2024-11-18 14:51:06,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:06,369 INFO L225 Difference]: With dead ends: 6891 [2024-11-18 14:51:06,370 INFO L226 Difference]: Without dead ends: 3443 [2024-11-18 14:51:06,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1377 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:51:06,414 INFO L432 NwaCegarLoop]: 5263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:06,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:51:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2024-11-18 14:51:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3443. [2024-11-18 14:51:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3443 states, 1912 states have (on average 1.1752092050209204) internal successors, (2247), 2042 states have internal predecessors, (2247), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-18 14:51:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5258 transitions. [2024-11-18 14:51:07,661 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5258 transitions. Word has length 1376 [2024-11-18 14:51:07,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:07,662 INFO L471 AbstractCegarLoop]: Abstraction has 3443 states and 5258 transitions. [2024-11-18 14:51:07,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-18 14:51:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5258 transitions. [2024-11-18 14:51:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2024-11-18 14:51:07,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:07,726 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:07,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 14:51:07,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 14:51:07,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:07,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash 51545683, now seen corresponding path program 1 times [2024-11-18 14:51:07,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:07,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700898904] [2024-11-18 14:51:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:07,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 624 proven. 3 refuted. 0 times theorem prover too weak. 87153 trivial. 0 not checked. [2024-11-18 14:51:11,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:11,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700898904] [2024-11-18 14:51:11,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700898904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:11,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700966624] [2024-11-18 14:51:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:11,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:11,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:11,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:51:11,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:51:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:15,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 14:51:15,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:51:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 1460 proven. 0 refuted. 0 times theorem prover too weak. 86320 trivial. 0 not checked. [2024-11-18 14:51:15,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:51:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700966624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:15,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:51:15,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-18 14:51:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462559195] [2024-11-18 14:51:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:15,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:51:15,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:15,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:51:15,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:51:15,302 INFO L87 Difference]: Start difference. First operand 3443 states and 5258 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-18 14:51:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:23,989 INFO L93 Difference]: Finished difference Result 6174 states and 9457 transitions. [2024-11-18 14:51:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:51:23,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2024-11-18 14:51:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:24,035 INFO L225 Difference]: With dead ends: 6174 [2024-11-18 14:51:24,036 INFO L226 Difference]: Without dead ends: 3441 [2024-11-18 14:51:24,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1380 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:51:24,062 INFO L432 NwaCegarLoop]: 3888 mSDtfsCounter, 1 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 6832 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8927 SdHoareTripleChecker+Invalid, 6836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:24,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8927 Invalid, 6836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6832 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-18 14:51:24,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2024-11-18 14:51:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3439. [2024-11-18 14:51:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 1910 states have (on average 1.1743455497382198) internal successors, (2243), 2040 states have internal predecessors, (2243), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2024-11-18 14:51:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 5250 transitions. [2024-11-18 14:51:24,990 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 5250 transitions. Word has length 1376 [2024-11-18 14:51:24,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:24,995 INFO L471 AbstractCegarLoop]: Abstraction has 3439 states and 5250 transitions. [2024-11-18 14:51:24,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-18 14:51:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 5250 transitions. [2024-11-18 14:51:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2024-11-18 14:51:25,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:25,020 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:25,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 14:51:25,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 14:51:25,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:25,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:25,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2056986174, now seen corresponding path program 1 times [2024-11-18 14:51:25,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:25,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176828956] [2024-11-18 14:51:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86949 trivial. 0 not checked. [2024-11-18 14:51:27,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:27,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176828956] [2024-11-18 14:51:27,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176828956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:27,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:27,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:51:27,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647167329] [2024-11-18 14:51:27,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:27,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:51:27,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:51:27,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:51:27,985 INFO L87 Difference]: Start difference. First operand 3439 states and 5250 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-18 14:51:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:28,162 INFO L93 Difference]: Finished difference Result 6166 states and 9439 transitions. [2024-11-18 14:51:28,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:51:28,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1417 [2024-11-18 14:51:28,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:28,215 INFO L225 Difference]: With dead ends: 6166 [2024-11-18 14:51:28,216 INFO L226 Difference]: Without dead ends: 3439 [2024-11-18 14:51:28,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:51:28,243 INFO L432 NwaCegarLoop]: 5248 mSDtfsCounter, 0 mSDsluCounter, 5238 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10486 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:28,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10486 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:51:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2024-11-18 14:51:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3439. [2024-11-18 14:51:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 1910 states have (on average 1.1738219895287958) internal successors, (2242), 2040 states have internal predecessors, (2242), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2024-11-18 14:51:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 5249 transitions. [2024-11-18 14:51:29,272 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 5249 transitions. Word has length 1417 [2024-11-18 14:51:29,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:29,278 INFO L471 AbstractCegarLoop]: Abstraction has 3439 states and 5249 transitions. [2024-11-18 14:51:29,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-18 14:51:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 5249 transitions. [2024-11-18 14:51:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2024-11-18 14:51:29,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:29,306 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:29,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:51:29,306 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:29,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:29,307 INFO L85 PathProgramCache]: Analyzing trace with hash -465558658, now seen corresponding path program 1 times [2024-11-18 14:51:29,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:29,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387869707] [2024-11-18 14:51:29,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:29,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 86952 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2024-11-18 14:51:32,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:32,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387869707] [2024-11-18 14:51:32,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387869707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:32,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:32,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:51:32,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341127311] [2024-11-18 14:51:32,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:32,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:51:32,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:32,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:51:32,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:51:32,908 INFO L87 Difference]: Start difference. First operand 3439 states and 5249 transitions. Second operand has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-18 14:51:43,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:51:43,400 INFO L93 Difference]: Finished difference Result 6469 states and 9884 transitions. [2024-11-18 14:51:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:51:43,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1425 [2024-11-18 14:51:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:51:43,447 INFO L225 Difference]: With dead ends: 6469 [2024-11-18 14:51:43,447 INFO L226 Difference]: Without dead ends: 3742 [2024-11-18 14:51:43,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:51:43,470 INFO L432 NwaCegarLoop]: 5620 mSDtfsCounter, 6695 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 4495 mSolverCounterSat, 1187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6695 SdHoareTripleChecker+Valid, 9105 SdHoareTripleChecker+Invalid, 5682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 4495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:51:43,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6695 Valid, 9105 Invalid, 5682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1187 Valid, 4495 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-18 14:51:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2024-11-18 14:51:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2024-11-18 14:51:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2132 states have (on average 1.1913696060037524) internal successors, (2540), 2262 states have internal predecessors, (2540), 1575 states have call successors, (1575), 34 states have call predecessors, (1575), 34 states have return successors, (1574), 1474 states have call predecessors, (1574), 1574 states have call successors, (1574) [2024-11-18 14:51:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5689 transitions. [2024-11-18 14:51:44,282 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5689 transitions. Word has length 1425 [2024-11-18 14:51:44,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:51:44,285 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 5689 transitions. [2024-11-18 14:51:44,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-18 14:51:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5689 transitions. [2024-11-18 14:51:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1422 [2024-11-18 14:51:44,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:51:44,306 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:51:44,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:51:44,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:51:44,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:51:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash -592702750, now seen corresponding path program 1 times [2024-11-18 14:51:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:51:44,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273143216] [2024-11-18 14:51:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:51:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86954 trivial. 0 not checked. [2024-11-18 14:51:49,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273143216] [2024-11-18 14:51:49,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273143216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:51:49,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:51:49,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:51:49,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401582765] [2024-11-18 14:51:49,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:51:49,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:51:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:51:49,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:51:49,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:51:49,671 INFO L87 Difference]: Start difference. First operand 3742 states and 5689 transitions. Second operand has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216)