./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -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 d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 20:39:47,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 20:39:47,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 20:39:47,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 20:39:47,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 20:39:47,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 20:39:47,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 20:39:47,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 20:39:47,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 20:39:47,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 20:39:47,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 20:39:47,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 20:39:47,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 20:39:47,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 20:39:47,795 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 20:39:47,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 20:39:47,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 20:39:47,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 20:39:47,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 20:39:47,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 20:39:47,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 20:39:47,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 20:39:47,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 20:39:47,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 20:39:47,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 20:39:47,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 20:39:47,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 20:39:47,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 20:39:47,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 20:39:47,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 20:39:47,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 20:39:47,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 20:39:47,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:39:47,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 20:39:47,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 20:39:47,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 20:39:47,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 20:39:47,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 20:39:47,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 20:39:47,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 20:39:47,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 20:39:47,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 20:39:47,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2024-10-12 20:39:48,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 20:39:48,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 20:39:48,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 20:39:48,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 20:39:48,069 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 20:39:48,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2024-10-12 20:39:49,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 20:39:49,784 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 20:39:49,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2024-10-12 20:39:49,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe78f297/18878501ab7049d1a8e779a57e74fb61/FLAGc490b78e4 [2024-10-12 20:39:50,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe78f297/18878501ab7049d1a8e779a57e74fb61 [2024-10-12 20:39:50,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 20:39:50,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 20:39:50,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 20:39:50,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 20:39:50,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 20:39:50,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416bb073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50, skipping insertion in model container [2024-10-12 20:39:50,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 20:39:50,598 WARN L248 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-pthread/cs_time_var_mutex.i[23611,23624] [2024-10-12 20:39:50,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:39:50,726 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 20:39:50,755 WARN L248 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-pthread/cs_time_var_mutex.i[23611,23624] [2024-10-12 20:39:50,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:39:50,837 INFO L204 MainTranslator]: Completed translation [2024-10-12 20:39:50,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50 WrapperNode [2024-10-12 20:39:50,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 20:39:50,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 20:39:50,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 20:39:50,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 20:39:50,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,924 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 527 [2024-10-12 20:39:50,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 20:39:50,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 20:39:50,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 20:39:50,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 20:39:50,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,998 INFO L175 MemorySlicer]: Split 165 memory accesses to 18 slices as follows [2, 5, 8, 8, 29, 21, 13, 5, 7, 8, 8, 0, 5, 5, 6, 17, 5, 13]. 18 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 3, 3, 9, 9, 0, 0, 3, 3, 3, 0, 0, 0, 2, 6, 0, 0]. The 41 writes are split as follows [0, 1, 2, 2, 11, 6, 1, 1, 2, 2, 2, 0, 1, 1, 2, 5, 1, 1]. [2024-10-12 20:39:50,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:50,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 20:39:51,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 20:39:51,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 20:39:51,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 20:39:51,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (1/1) ... [2024-10-12 20:39:51,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:39:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:39:51,124 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) [2024-10-12 20:39:51,131 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 [2024-10-12 20:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 20:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 20:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 20:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 20:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 20:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 20:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 20:39:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 20:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 20:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 20:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 20:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 20:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 20:39:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-12 20:39:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-12 20:39:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-12 20:39:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-12 20:39:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-12 20:39:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-12 20:39:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-12 20:39:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-12 20:39:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-12 20:39:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-12 20:39:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-12 20:39:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-12 20:39:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-12 20:39:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-12 20:39:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-12 20:39:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-12 20:39:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2024-10-12 20:39:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2024-10-12 20:39:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-10-12 20:39:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-10-12 20:39:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-12 20:39:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-12 20:39:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-12 20:39:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-12 20:39:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-12 20:39:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-12 20:39:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-12 20:39:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-12 20:39:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-12 20:39:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-12 20:39:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-12 20:39:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-12 20:39:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-12 20:39:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-10-12 20:39:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-10-12 20:39:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-12 20:39:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-12 20:39:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-12 20:39:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-10-12 20:39:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-10-12 20:39:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 20:39:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 20:39:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 20:39:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 20:39:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 20:39:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 20:39:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 20:39:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 20:39:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-12 20:39:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-12 20:39:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-12 20:39:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-12 20:39:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2024-10-12 20:39:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2024-10-12 20:39:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 20:39:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 20:39:51,466 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 20:39:51,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 20:39:56,319 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-10-12 20:39:56,319 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 20:39:56,368 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 20:39:56,370 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 20:39:56,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:39:56 BoogieIcfgContainer [2024-10-12 20:39:56,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 20:39:56,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 20:39:56,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 20:39:56,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 20:39:56,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:39:50" (1/3) ... [2024-10-12 20:39:56,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae80ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:39:56, skipping insertion in model container [2024-10-12 20:39:56,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:39:50" (2/3) ... [2024-10-12 20:39:56,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae80ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:39:56, skipping insertion in model container [2024-10-12 20:39:56,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:39:56" (3/3) ... [2024-10-12 20:39:56,380 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_time_var_mutex.i [2024-10-12 20:39:56,394 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 20:39:56,394 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 20:39:56,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 20:39:56,465 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;@5231c1c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 20:39:56,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 20:39:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 84 states have (on average 1.369047619047619) internal successors, (115), 85 states have internal predecessors, (115), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-12 20:39:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-12 20:39:56,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:56,497 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:56,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:56,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:56,503 INFO L85 PathProgramCache]: Analyzing trace with hash -702418532, now seen corresponding path program 1 times [2024-10-12 20:39:56,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:56,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421143224] [2024-10-12 20:39:56,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-12 20:39:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-12 20:39:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 20:39:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:39:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 20:39:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-12 20:39:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-12 20:39:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:39:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:39:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 20:39:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 20:39:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 20:39:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 20:39:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 20:39:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 20:39:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 20:39:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 20:39:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 20:39:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 20:39:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 20:39:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 20:39:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 20:39:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-12 20:39:57,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:39:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421143224] [2024-10-12 20:39:57,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421143224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:39:57,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:39:57,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:39:57,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512347665] [2024-10-12 20:39:57,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:39:57,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:39:57,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:39:57,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:39:57,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:39:57,436 INFO L87 Difference]: Start difference. First operand has 138 states, 84 states have (on average 1.369047619047619) internal successors, (115), 85 states have internal predecessors, (115), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:39:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:39:57,565 INFO L93 Difference]: Finished difference Result 278 states and 455 transitions. [2024-10-12 20:39:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:39:57,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-10-12 20:39:57,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:39:57,579 INFO L225 Difference]: With dead ends: 278 [2024-10-12 20:39:57,579 INFO L226 Difference]: Without dead ends: 139 [2024-10-12 20:39:57,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:39:57,589 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 3 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:39:57,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 383 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:39:57,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-12 20:39:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2024-10-12 20:39:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-12 20:39:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 200 transitions. [2024-10-12 20:39:57,646 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 200 transitions. Word has length 143 [2024-10-12 20:39:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:39:57,646 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 200 transitions. [2024-10-12 20:39:57,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:39:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2024-10-12 20:39:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-12 20:39:57,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:57,652 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:57,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 20:39:57,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:57,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:57,653 INFO L85 PathProgramCache]: Analyzing trace with hash -274563922, now seen corresponding path program 1 times [2024-10-12 20:39:57,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:57,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096142106] [2024-10-12 20:39:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:39:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:39:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 20:39:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-12 20:39:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 20:39:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 20:39:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 20:39:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 20:39:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 20:39:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 20:39:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 20:39:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 20:39:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 20:39:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 20:39:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 20:39:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 20:39:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 20:39:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 20:39:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 20:39:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 20:39:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-12 20:39:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-12 20:39:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-12 20:39:58,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:39:58,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096142106] [2024-10-12 20:39:58,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096142106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:39:58,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:39:58,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:39:58,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924248721] [2024-10-12 20:39:58,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:39:58,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:39:58,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:39:58,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:39:58,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:39:58,110 INFO L87 Difference]: Start difference. First operand 137 states and 200 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:39:58,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:39:58,178 INFO L93 Difference]: Finished difference Result 273 states and 400 transitions. [2024-10-12 20:39:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:39:58,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-10-12 20:39:58,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:39:58,182 INFO L225 Difference]: With dead ends: 273 [2024-10-12 20:39:58,182 INFO L226 Difference]: Without dead ends: 138 [2024-10-12 20:39:58,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:39:58,184 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:39:58,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 384 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:39:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-12 20:39:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-12 20:39:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 85 states have internal predecessors, (111), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-12 20:39:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 201 transitions. [2024-10-12 20:39:58,207 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 201 transitions. Word has length 146 [2024-10-12 20:39:58,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:39:58,209 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 201 transitions. [2024-10-12 20:39:58,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:39:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2024-10-12 20:39:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-12 20:39:58,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:58,217 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:58,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 20:39:58,217 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:58,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1482572654, now seen corresponding path program 1 times [2024-10-12 20:39:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705839360] [2024-10-12 20:39:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:39:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 20:39:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-12 20:39:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-12 20:39:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:39:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 20:39:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-12 20:39:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 20:39:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 20:39:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:39:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:39:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 20:39:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 20:39:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 20:39:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 20:39:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 20:39:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 20:39:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 20:39:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 20:39:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-12 20:39:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-12 20:39:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-12 20:39:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-12 20:39:58,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:39:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705839360] [2024-10-12 20:39:58,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705839360] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:39:58,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564685718] [2024-10-12 20:39:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:58,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:39:58,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:39:58,729 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) [2024-10-12 20:39:58,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 20:39:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:59,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 20:39:59,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:39:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-12 20:39:59,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 20:39:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-12 20:39:59,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564685718] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 20:39:59,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 20:39:59,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-12 20:39:59,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749912544] [2024-10-12 20:39:59,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 20:39:59,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 20:39:59,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:39:59,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 20:39:59,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:39:59,483 INFO L87 Difference]: Start difference. First operand 138 states and 201 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-12 20:39:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:39:59,574 INFO L93 Difference]: Finished difference Result 276 states and 404 transitions. [2024-10-12 20:39:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:39:59,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 147 [2024-10-12 20:39:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:39:59,577 INFO L225 Difference]: With dead ends: 276 [2024-10-12 20:39:59,578 INFO L226 Difference]: Without dead ends: 140 [2024-10-12 20:39:59,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:39:59,580 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:39:59,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:39:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-12 20:39:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-12 20:39:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 87 states have internal predecessors, (113), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-12 20:39:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 203 transitions. [2024-10-12 20:39:59,593 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 203 transitions. Word has length 147 [2024-10-12 20:39:59,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:39:59,594 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 203 transitions. [2024-10-12 20:39:59,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-12 20:39:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 203 transitions. [2024-10-12 20:39:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-12 20:39:59,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:59,596 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:59,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-12 20:39:59,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:39:59,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:59,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:59,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1531359214, now seen corresponding path program 2 times [2024-10-12 20:39:59,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:59,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884725454] [2024-10-12 20:39:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:59,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-12 20:40:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 20:40:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:40:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 20:40:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-12 20:40:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-12 20:40:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:40:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:40:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 20:40:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 20:40:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 20:40:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 20:40:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 20:40:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 20:40:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 20:40:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 20:40:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 20:40:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 20:40:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 20:40:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 20:40:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 20:40:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-12 20:40:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-10-12 20:40:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884725454] [2024-10-12 20:40:00,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884725454] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:40:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85388107] [2024-10-12 20:40:00,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 20:40:00,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:40:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:40:00,243 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) [2024-10-12 20:40:00,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 20:40:00,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-12 20:40:00,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 20:40:00,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 20:40:00,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:40:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-10-12 20:40:01,002 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 20:40:01,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85388107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:40:01,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 20:40:01,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-12 20:40:01,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111220080] [2024-10-12 20:40:01,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:40:01,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 20:40:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:40:01,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 20:40:01,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:40:01,006 INFO L87 Difference]: Start difference. First operand 140 states and 203 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:40:01,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:40:01,113 INFO L93 Difference]: Finished difference Result 269 states and 398 transitions. [2024-10-12 20:40:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 20:40:01,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-10-12 20:40:01,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:40:01,118 INFO L225 Difference]: With dead ends: 269 [2024-10-12 20:40:01,118 INFO L226 Difference]: Without dead ends: 219 [2024-10-12 20:40:01,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:40:01,120 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 113 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:40:01,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 637 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:40:01,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-10-12 20:40:01,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-10-12 20:40:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 137 states have (on average 1.3430656934306568) internal successors, (184), 137 states have internal predecessors, (184), 67 states have call successors, (67), 14 states have call predecessors, (67), 14 states have return successors, (73), 67 states have call predecessors, (73), 67 states have call successors, (73) [2024-10-12 20:40:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 324 transitions. [2024-10-12 20:40:01,170 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 324 transitions. Word has length 149 [2024-10-12 20:40:01,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:40:01,171 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 324 transitions. [2024-10-12 20:40:01,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-12 20:40:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 324 transitions. [2024-10-12 20:40:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-10-12 20:40:01,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:40:01,177 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 7, 7, 7, 7, 3, 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] [2024-10-12 20:40:01,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 20:40:01,377 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,SelfDestructingSolverStorable3 [2024-10-12 20:40:01,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:40:01,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:40:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1803685656, now seen corresponding path program 1 times [2024-10-12 20:40:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:40:01,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465473128] [2024-10-12 20:40:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:40:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 20:40:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:40:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-12 20:40:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:40:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:40:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 20:40:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:40:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:40:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:40:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:40:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 20:40:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 20:40:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 20:40:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 20:40:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:40:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:40:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:40:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:40:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:40:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:40:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:40:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:40:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:40:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:40:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:40:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:40:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:40:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:40:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:40:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:40:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:40:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:40:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:40:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:40:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2024-10-12 20:40:02,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:02,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465473128] [2024-10-12 20:40:02,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465473128] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:40:02,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592900488] [2024-10-12 20:40:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:40:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:40:02,172 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:40:02,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 20:40:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:02,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 1646 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 20:40:02,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:40:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2024-10-12 20:40:02,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 20:40:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2024-10-12 20:40:03,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592900488] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 20:40:03,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 20:40:03,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 4] total 10 [2024-10-12 20:40:03,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538023428] [2024-10-12 20:40:03,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 20:40:03,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:40:03,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:40:03,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:40:03,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:40:03,264 INFO L87 Difference]: Start difference. First operand 219 states and 324 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (83), 6 states have call predecessors, (83), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-10-12 20:40:07,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:11,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:40:12,880 INFO L93 Difference]: Finished difference Result 452 states and 669 transitions. [2024-10-12 20:40:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 20:40:12,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (83), 6 states have call predecessors, (83), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 253 [2024-10-12 20:40:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:40:12,884 INFO L225 Difference]: With dead ends: 452 [2024-10-12 20:40:12,885 INFO L226 Difference]: Without dead ends: 241 [2024-10-12 20:40:12,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 584 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:40:12,888 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 72 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 87 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:40:12,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 534 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-10-12 20:40:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-10-12 20:40:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 237. [2024-10-12 20:40:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 152 states have (on average 1.3223684210526316) internal successors, (201), 155 states have internal predecessors, (201), 67 states have call successors, (67), 14 states have call predecessors, (67), 17 states have return successors, (79), 67 states have call predecessors, (79), 67 states have call successors, (79) [2024-10-12 20:40:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 347 transitions. [2024-10-12 20:40:12,947 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 347 transitions. Word has length 253 [2024-10-12 20:40:12,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:40:12,948 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 347 transitions. [2024-10-12 20:40:12,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (83), 6 states have call predecessors, (83), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-10-12 20:40:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 347 transitions. [2024-10-12 20:40:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-12 20:40:12,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:40:12,954 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 9, 7, 7, 7, 7, 3, 3, 3, 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] [2024-10-12 20:40:12,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-12 20:40:13,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:40:13,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:40:13,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:40:13,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1137220012, now seen corresponding path program 2 times [2024-10-12 20:40:13,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:40:13,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138858427] [2024-10-12 20:40:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:40:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 20:40:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:40:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-12 20:40:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:40:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:40:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 20:40:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:40:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:40:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:40:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:40:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 20:40:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 20:40:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:40:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:40:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:40:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:40:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:40:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:40:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:40:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:40:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:40:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:40:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:40:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:40:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:40:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:40:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:40:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:40:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:40:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:40:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:40:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:40:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:40:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:40:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-10-12 20:40:14,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:14,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138858427] [2024-10-12 20:40:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138858427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:40:14,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:40:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-12 20:40:14,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702359657] [2024-10-12 20:40:14,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:40:14,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:40:14,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:40:14,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:40:14,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:40:14,599 INFO L87 Difference]: Start difference. First operand 237 states and 347 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-12 20:40:18,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:23,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:40:26,033 INFO L93 Difference]: Finished difference Result 651 states and 964 transitions. [2024-10-12 20:40:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:40:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 265 [2024-10-12 20:40:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:40:26,038 INFO L225 Difference]: With dead ends: 651 [2024-10-12 20:40:26,038 INFO L226 Difference]: Without dead ends: 451 [2024-10-12 20:40:26,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:40:26,041 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 282 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 242 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:40:26,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 752 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 760 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2024-10-12 20:40:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-10-12 20:40:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 441. [2024-10-12 20:40:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 274 states have (on average 1.3248175182481752) internal successors, (363), 281 states have internal predecessors, (363), 131 states have call successors, (131), 28 states have call predecessors, (131), 35 states have return successors, (162), 131 states have call predecessors, (162), 131 states have call successors, (162) [2024-10-12 20:40:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 656 transitions. [2024-10-12 20:40:26,104 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 656 transitions. Word has length 265 [2024-10-12 20:40:26,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:40:26,104 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 656 transitions. [2024-10-12 20:40:26,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-12 20:40:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 656 transitions. [2024-10-12 20:40:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-12 20:40:26,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:40:26,110 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 9, 7, 7, 7, 7, 3, 3, 3, 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] [2024-10-12 20:40:26,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 20:40:26,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:40:26,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:40:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash -947332532, now seen corresponding path program 1 times [2024-10-12 20:40:26,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:40:26,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380511465] [2024-10-12 20:40:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:26,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:40:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 20:40:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:40:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-12 20:40:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:40:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:40:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 20:40:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:40:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:40:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:40:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:40:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 20:40:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 20:40:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:40:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:40:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:40:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:40:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:40:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:40:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:40:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:40:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:40:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:40:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:40:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:40:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:40:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:40:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:40:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:40:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:40:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:40:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:40:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:40:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:40:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:40:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-10-12 20:40:27,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:27,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380511465] [2024-10-12 20:40:27,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380511465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:40:27,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:40:27,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-12 20:40:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317762135] [2024-10-12 20:40:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:40:27,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:40:27,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:40:27,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:40:27,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:40:27,459 INFO L87 Difference]: Start difference. First operand 441 states and 656 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-12 20:40:31,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:35,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:39,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:43,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:47,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:51,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:40:53,275 INFO L93 Difference]: Finished difference Result 815 states and 1199 transitions. [2024-10-12 20:40:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:40:53,276 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 265 [2024-10-12 20:40:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:40:53,280 INFO L225 Difference]: With dead ends: 815 [2024-10-12 20:40:53,280 INFO L226 Difference]: Without dead ends: 404 [2024-10-12 20:40:53,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:40:53,283 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 232 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 136 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:40:53,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 765 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 786 Invalid, 6 Unknown, 0 Unchecked, 25.4s Time] [2024-10-12 20:40:53,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-12 20:40:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 396. [2024-10-12 20:40:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 247 states have (on average 1.271255060728745) internal successors, (314), 253 states have internal predecessors, (314), 117 states have call successors, (117), 25 states have call predecessors, (117), 31 states have return successors, (139), 117 states have call predecessors, (139), 117 states have call successors, (139) [2024-10-12 20:40:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 570 transitions. [2024-10-12 20:40:53,334 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 570 transitions. Word has length 265 [2024-10-12 20:40:53,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:40:53,335 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 570 transitions. [2024-10-12 20:40:53,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-12 20:40:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 570 transitions. [2024-10-12 20:40:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-12 20:40:53,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:40:53,342 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 9, 7, 7, 7, 7, 3, 3, 3, 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] [2024-10-12 20:40:53,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 20:40:53,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:40:53,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:40:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash -495154452, now seen corresponding path program 1 times [2024-10-12 20:40:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:40:53,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831971183] [2024-10-12 20:40:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:40:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-12 20:40:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:40:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-12 20:40:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:40:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:40:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 20:40:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:40:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:40:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:40:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:40:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 20:40:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 20:40:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:40:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:40:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:40:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:40:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:40:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:40:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:40:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:40:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:40:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:40:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:40:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:40:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:40:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:40:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:40:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:40:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:40:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:40:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:40:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:40:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:40:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:40:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1786 trivial. 0 not checked. [2024-10-12 20:40:54,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:54,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831971183] [2024-10-12 20:40:54,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831971183] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:40:54,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541335466] [2024-10-12 20:40:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:54,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:40:54,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:40:54,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:40:54,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 20:40:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:55,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-12 20:40:55,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:40:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 616 proven. 4 refuted. 0 times theorem prover too weak. 1169 trivial. 0 not checked. [2024-10-12 20:40:55,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 20:40:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2024-10-12 20:40:56,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541335466] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 20:40:56,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 20:40:56,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-10-12 20:40:56,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525145535] [2024-10-12 20:40:56,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 20:40:56,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-12 20:40:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:40:56,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-12 20:40:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-12 20:40:56,299 INFO L87 Difference]: Start difference. First operand 396 states and 570 transitions. Second operand has 16 states, 16 states have (on average 6.4375) internal successors, (103), 12 states have internal predecessors, (103), 9 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (73), 7 states have call predecessors, (73), 9 states have call successors, (73) [2024-10-12 20:41:00,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:41:04,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:41:08,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:41:12,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:41:15,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:41:15,248 INFO L93 Difference]: Finished difference Result 780 states and 1147 transitions. [2024-10-12 20:41:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-12 20:41:15,249 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 12 states have internal predecessors, (103), 9 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (73), 7 states have call predecessors, (73), 9 states have call successors, (73) Word has length 265 [2024-10-12 20:41:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:41:15,253 INFO L225 Difference]: With dead ends: 780 [2024-10-12 20:41:15,253 INFO L226 Difference]: Without dead ends: 425 [2024-10-12 20:41:15,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2024-10-12 20:41:15,256 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 400 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 220 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:41:15,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 716 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1054 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2024-10-12 20:41:15,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-12 20:41:15,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2024-10-12 20:41:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 265 states have (on average 1.3094339622641509) internal successors, (347), 271 states have internal predecessors, (347), 113 states have call successors, (113), 34 states have call predecessors, (113), 40 states have return successors, (145), 113 states have call predecessors, (145), 113 states have call successors, (145) [2024-10-12 20:41:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 605 transitions. [2024-10-12 20:41:15,301 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 605 transitions. Word has length 265 [2024-10-12 20:41:15,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:41:15,302 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 605 transitions. [2024-10-12 20:41:15,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 12 states have internal predecessors, (103), 9 states have call successors, (77), 8 states have call predecessors, (77), 7 states have return successors, (73), 7 states have call predecessors, (73), 9 states have call successors, (73) [2024-10-12 20:41:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 605 transitions. [2024-10-12 20:41:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-12 20:41:15,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:41:15,307 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 9, 7, 7, 7, 7, 3, 3, 3, 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] [2024-10-12 20:41:15,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-12 20:41:15,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:41:15,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:41:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:41:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1977667054, now seen corresponding path program 1 times [2024-10-12 20:41:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:41:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174780099] [2024-10-12 20:41:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:41:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:41:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:41:17,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-12 20:41:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat