./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_lamport.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 d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 16:12:04,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:12:04,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:12:04,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:12:04,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:12:04,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:12:04,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:12:04,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:12:04,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:12:04,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:12:04,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:12:04,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:12:04,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:12:04,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:12:04,814 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:12:04,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:12:04,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:12:04,815 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:12:04,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:12:04,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:12:04,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:12:04,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:12:04,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:12:04,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:12:04,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:12:04,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:12:04,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:12:04,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:12:04,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:12:04,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:12:04,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:12:04,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:12:04,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:04,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:12:04,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:12:04,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:12:04,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:12:04,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:12:04,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:12:04,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:12:04,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:12:04,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:12:04,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2024-11-08 16:12:05,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:12:05,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:12:05,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:12:05,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:12:05,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:12:05,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-08 16:12:06,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:12:06,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:12:06,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-08 16:12:06,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/470404dd6/74dbc2243e0b4acc913acbc02a6546f7/FLAG8de088e5b [2024-11-08 16:12:06,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/470404dd6/74dbc2243e0b4acc913acbc02a6546f7 [2024-11-08 16:12:06,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:12:06,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:12:06,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:06,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:12:06,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:12:06,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:06" (1/1) ... [2024-11-08 16:12:07,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35978dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:06, skipping insertion in model container [2024-11-08 16:12:07,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:12:06" (1/1) ... [2024-11-08 16:12:07,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:12:07,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2024-11-08 16:12:07,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:07,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:12:07,473 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2024-11-08 16:12:07,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:12:07,558 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:12:07,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07 WrapperNode [2024-11-08 16:12:07,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:12:07,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:07,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:12:07,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:12:07,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,623 INFO L138 Inliner]: procedures = 145, calls = 360, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 477 [2024-11-08 16:12:07,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:12:07,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:12:07,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:12:07,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:12:07,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,667 INFO L175 MemorySlicer]: Split 168 memory accesses to 20 slices as follows [2, 13, 6, 8, 8, 8, 5, 29, 21, 7, 7, 13, 7, 7, 5, 7, 5, 5, 5, 0]. 17 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 0, 2, 3, 3, 3, 0, 9, 9, 3, 3, 0, 3, 3, 0, 3, 0, 0, 0, 0]. The 42 writes are split as follows [0, 1, 2, 2, 2, 2, 1, 11, 6, 2, 2, 1, 2, 2, 1, 2, 1, 1, 1, 0]. [2024-11-08 16:12:07,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:12:07,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:12:07,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:12:07,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:12:07,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (1/1) ... [2024-11-08 16:12:07,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:12:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:12:07,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:12:07,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:12:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:12:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:12:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:12:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:12:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:12:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 16:12:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 16:12:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 16:12:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 16:12:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 16:12:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 16:12:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 16:12:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:12:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:12:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:12:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:12:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 16:12:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 16:12:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 16:12:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 16:12:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 16:12:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 16:12:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:12:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:12:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 16:12:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 16:12:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 16:12:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 16:12:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-08 16:12:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-08 16:12:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-08 16:12:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-08 16:12:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-08 16:12:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-08 16:12:07,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-08 16:12:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:12:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:12:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:12:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 16:12:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 16:12:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-08 16:12:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-08 16:12:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 16:12:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 16:12:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 16:12:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-08 16:12:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-08 16:12:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:12:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 16:12:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 16:12:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 16:12:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:12:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:12:08,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:12:08,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:12:12,657 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-08 16:12:12,657 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:12:12,672 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:12:12,673 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:12:12,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:12 BoogieIcfgContainer [2024-11-08 16:12:12,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:12:12,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:12:12,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:12:12,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:12:12,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:12:06" (1/3) ... [2024-11-08 16:12:12,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d8d983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:12, skipping insertion in model container [2024-11-08 16:12:12,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:12:07" (2/3) ... [2024-11-08 16:12:12,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d8d983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:12:12, skipping insertion in model container [2024-11-08 16:12:12,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:12:12" (3/3) ... [2024-11-08 16:12:12,682 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2024-11-08 16:12:12,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:12:12,695 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:12:12,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:12:12,760 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;@48fe88a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:12:12,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:12:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 75 states have internal predecessors, (97), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:12:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 16:12:12,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:12,786 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] [2024-11-08 16:12:12,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:12,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:12,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1573742471, now seen corresponding path program 1 times [2024-11-08 16:12:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:12,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345072654] [2024-11-08 16:12:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:12:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:12:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:12:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:12:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 16:12:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:12:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:12:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:12:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 16:12:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 16:12:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 16:12:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:12:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:12:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:12:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:12:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:12:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:12:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:12:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:12:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:12:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:12:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:12:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 16:12:13,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345072654] [2024-11-08 16:12:13,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345072654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:13,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:12:13,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:12:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911905433] [2024-11-08 16:12:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:13,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:12:13,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:13,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:12:13,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:12:13,550 INFO L87 Difference]: Start difference. First operand has 117 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 75 states have internal predecessors, (97), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-08 16:12:13,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:13,632 INFO L93 Difference]: Finished difference Result 236 states and 378 transitions. [2024-11-08 16:12:13,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:12:13,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 144 [2024-11-08 16:12:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:13,644 INFO L225 Difference]: With dead ends: 236 [2024-11-08 16:12:13,644 INFO L226 Difference]: Without dead ends: 117 [2024-11-08 16:12:13,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:12:13,652 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 4 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:13,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 321 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:12:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-08 16:12:13,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2024-11-08 16:12:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:12:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-11-08 16:12:13,696 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 144 [2024-11-08 16:12:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:13,699 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-11-08 16:12:13,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-08 16:12:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-08 16:12:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:12:13,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:13,705 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] [2024-11-08 16:12:13,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:12:13,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:13,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1072773259, now seen corresponding path program 1 times [2024-11-08 16:12:13,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:13,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478154583] [2024-11-08 16:12:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:13,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 16:12:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 16:12:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:12:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 16:12:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:12:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:12:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:12:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 16:12:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:12:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:12:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:12:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:12:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:12:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:12:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 16:12:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:12:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:12:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:12:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 16:12:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 16:12:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 16:12:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 16:12:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 16:12:14,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:14,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478154583] [2024-11-08 16:12:14,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478154583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:14,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:12:14,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:12:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155324235] [2024-11-08 16:12:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:14,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:12:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:12:14,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:12:14,152 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) 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) [2024-11-08 16:12:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:14,198 INFO L93 Difference]: Finished difference Result 227 states and 324 transitions. [2024-11-08 16:12:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:12:14,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) 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 147 [2024-11-08 16:12:14,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:14,203 INFO L225 Difference]: With dead ends: 227 [2024-11-08 16:12:14,205 INFO L226 Difference]: Without dead ends: 116 [2024-11-08 16:12:14,206 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 [2024-11-08 16:12:14,208 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 1 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:14,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 315 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:12:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-08 16:12:14,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-08 16:12:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 73 states have internal predecessors, (91), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:12:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-08 16:12:14,234 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 147 [2024-11-08 16:12:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:14,235 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-08 16:12:14,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) 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) [2024-11-08 16:12:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-08 16:12:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 16:12:14,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:14,242 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, 1, 1] [2024-11-08 16:12:14,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:12:14,242 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:14,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:14,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1028614451, now seen corresponding path program 1 times [2024-11-08 16:12:14,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:14,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506791036] [2024-11-08 16:12:14,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:14,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 16:12:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:12:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:12:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 16:12:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 16:12:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 16:12:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 16:12:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 16:12:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 16:12:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:12:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:12:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:12:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:12:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:12:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:12:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:12:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:12:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 16:12:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 16:12:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 16:12:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 16:12:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 16:12:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 16:12:14,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506791036] [2024-11-08 16:12:14,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506791036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:12:14,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71889248] [2024-11-08 16:12:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:14,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:14,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:12:14,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:12:14,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:12:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:14,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:12:15,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:12:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 16:12:15,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:12:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 16:12:15,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71889248] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:12:15,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:12:15,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-08 16:12:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761216495] [2024-11-08 16:12:15,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:12:15,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:12:15,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:12:15,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:12:15,205 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-08 16:12:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:15,237 INFO L93 Difference]: Finished difference Result 231 states and 329 transitions. [2024-11-08 16:12:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:12:15,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 149 [2024-11-08 16:12:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:15,239 INFO L225 Difference]: With dead ends: 231 [2024-11-08 16:12:15,239 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 16:12:15,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:12:15,241 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 1 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:15,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 471 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:12:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 16:12:15,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-08 16:12:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 77 states have internal predecessors, (95), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:12:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2024-11-08 16:12:15,257 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 149 [2024-11-08 16:12:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:15,259 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2024-11-08 16:12:15,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-08 16:12:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2024-11-08 16:12:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 16:12:15,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:15,261 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 3, 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, 1] [2024-11-08 16:12:15,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:12:15,462 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 [2024-11-08 16:12:15,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:15,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:15,463 INFO L85 PathProgramCache]: Analyzing trace with hash -829171247, now seen corresponding path program 2 times [2024-11-08 16:12:15,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:15,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866471524] [2024-11-08 16:12:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:15,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 16:12:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:12:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 16:12:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:12:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:12:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:12:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 16:12:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:12:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:12:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:12:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:12:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:12:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:12:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 16:12:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:12:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:12:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:12:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 16:12:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 16:12:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 16:12:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 16:12:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 16:12:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-11-08 16:12:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:15,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866471524] [2024-11-08 16:12:15,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866471524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:12:15,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198786766] [2024-11-08 16:12:15,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:12:15,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:15,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:12:15,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:12:15,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:12:16,125 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 16:12:16,125 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:12:16,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:12:16,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:12:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-11-08 16:12:16,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:12:16,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198786766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:16,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:12:16,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-08 16:12:16,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815547602] [2024-11-08 16:12:16,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:16,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:12:16,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:12:16,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:12:16,375 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-08 16:12:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:16,403 INFO L93 Difference]: Finished difference Result 223 states and 320 transitions. [2024-11-08 16:12:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:12:16,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 153 [2024-11-08 16:12:16,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:16,406 INFO L225 Difference]: With dead ends: 223 [2024-11-08 16:12:16,406 INFO L226 Difference]: Without dead ends: 173 [2024-11-08 16:12:16,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:12:16,409 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 74 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:16,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 496 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:12:16,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-08 16:12:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-08 16:12:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 113 states have (on average 1.2743362831858407) internal successors, (144), 113 states have internal predecessors, (144), 49 states have call successors, (49), 10 states have call predecessors, (49), 10 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2024-11-08 16:12:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 246 transitions. [2024-11-08 16:12:16,429 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 246 transitions. Word has length 153 [2024-11-08 16:12:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:16,430 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 246 transitions. [2024-11-08 16:12:16,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-08 16:12:16,432 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 246 transitions. [2024-11-08 16:12:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-08 16:12:16,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:16,434 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-08 16:12:16,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:12:16,634 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 [2024-11-08 16:12:16,636 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:16,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:16,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1805589549, now seen corresponding path program 1 times [2024-11-08 16:12:16,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:16,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078566387] [2024-11-08 16:12:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:12:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:12:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:12:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:12:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:12:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:12:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:12:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:12:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:12:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:12:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:12:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:12:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:12:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:12:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:12:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:12:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:12:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 16:12:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 16:12:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 16:12:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 16:12:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-08 16:12:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 16:12:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 16:12:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 16:12:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 16:12:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 16:12:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 16:12:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 16:12:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-08 16:12:17,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:17,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078566387] [2024-11-08 16:12:17,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078566387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:12:17,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660744722] [2024-11-08 16:12:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:17,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:12:17,226 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) [2024-11-08 16:12:17,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:12:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:17,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 1546 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:12:17,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:12:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-08 16:12:17,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:12:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-08 16:12:17,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660744722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:12:17,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:12:17,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-08 16:12:17,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167526831] [2024-11-08 16:12:17,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:12:17,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:12:17,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:17,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:12:17,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:12:17,932 INFO L87 Difference]: Start difference. First operand 173 states and 246 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-08 16:12:22,001 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 [] [2024-11-08 16:12:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:23,347 INFO L93 Difference]: Finished difference Result 362 states and 514 transitions. [2024-11-08 16:12:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:12:23,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 222 [2024-11-08 16:12:23,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:23,350 INFO L225 Difference]: With dead ends: 362 [2024-11-08 16:12:23,350 INFO L226 Difference]: Without dead ends: 201 [2024-11-08 16:12:23,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 506 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:12:23,352 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 74 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 145 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:23,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 578 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-08 16:12:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-08 16:12:23,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 196. [2024-11-08 16:12:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 134 states have (on average 1.2462686567164178) internal successors, (167), 136 states have internal predecessors, (167), 49 states have call successors, (49), 10 states have call predecessors, (49), 12 states have return successors, (57), 49 states have call predecessors, (57), 49 states have call successors, (57) [2024-11-08 16:12:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 273 transitions. [2024-11-08 16:12:23,368 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 273 transitions. Word has length 222 [2024-11-08 16:12:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:23,370 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 273 transitions. [2024-11-08 16:12:23,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-08 16:12:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 273 transitions. [2024-11-08 16:12:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 16:12:23,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:23,372 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-08 16:12:23,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:12:23,573 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 [2024-11-08 16:12:23,574 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:23,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash 624474195, now seen corresponding path program 2 times [2024-11-08 16:12:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:23,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165062999] [2024-11-08 16:12:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:12:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:12:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:12:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:12:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:12:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:12:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:12:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:12:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:12:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:12:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:12:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:12:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:12:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:12:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 16:12:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 16:12:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 16:12:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 16:12:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-08 16:12:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 16:12:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 16:12:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 16:12:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 16:12:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 16:12:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 16:12:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 16:12:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 16:12:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 16:12:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-08 16:12:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-11-08 16:12:24,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165062999] [2024-11-08 16:12:24,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165062999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:24,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:12:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:12:24,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735700984] [2024-11-08 16:12:24,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:24,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:12:24,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:24,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:12:24,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:12:24,547 INFO L87 Difference]: Start difference. First operand 196 states and 273 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 16:12:28,567 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 [] [2024-11-08 16:12:32,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:12:36,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:12:40,948 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 [] [2024-11-08 16:12:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:42,717 INFO L93 Difference]: Finished difference Result 510 states and 724 transitions. [2024-11-08 16:12:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:12:42,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 240 [2024-11-08 16:12:42,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:42,721 INFO L225 Difference]: With dead ends: 510 [2024-11-08 16:12:42,721 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 16:12:42,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:12:42,722 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 159 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 54 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:42,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 728 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 704 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2024-11-08 16:12:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 16:12:42,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 350. [2024-11-08 16:12:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 229 states have (on average 1.2489082969432315) internal successors, (286), 234 states have internal predecessors, (286), 95 states have call successors, (95), 20 states have call predecessors, (95), 25 states have return successors, (118), 95 states have call predecessors, (118), 95 states have call successors, (118) [2024-11-08 16:12:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 499 transitions. [2024-11-08 16:12:42,755 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 499 transitions. Word has length 240 [2024-11-08 16:12:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:42,756 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 499 transitions. [2024-11-08 16:12:42,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 16:12:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 499 transitions. [2024-11-08 16:12:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 16:12:42,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:42,760 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-08 16:12:42,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:12:42,760 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:42,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:42,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1274905475, now seen corresponding path program 1 times [2024-11-08 16:12:42,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:42,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953394546] [2024-11-08 16:12:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:42,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 16:12:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:12:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:12:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:12:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:12:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:12:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:12:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:12:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:12:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:12:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:12:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:12:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:12:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:12:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 16:12:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 16:12:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 16:12:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 16:12:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-08 16:12:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 16:12:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 16:12:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 16:12:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 16:12:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 16:12:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 16:12:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 16:12:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 16:12:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 16:12:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-08 16:12:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-11-08 16:12:43,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:43,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953394546] [2024-11-08 16:12:43,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953394546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:12:43,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:12:43,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:12:43,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96214546] [2024-11-08 16:12:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:12:43,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:12:43,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:12:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:12:43,601 INFO L87 Difference]: Start difference. First operand 350 states and 499 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 16:12:47,748 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 [] [2024-11-08 16:12:51,760 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 [] [2024-11-08 16:12:53,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:12:53,474 INFO L93 Difference]: Finished difference Result 637 states and 897 transitions. [2024-11-08 16:12:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:12:53,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 240 [2024-11-08 16:12:53,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:12:53,479 INFO L225 Difference]: With dead ends: 637 [2024-11-08 16:12:53,480 INFO L226 Difference]: Without dead ends: 325 [2024-11-08 16:12:53,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:12:53,483 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 190 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 135 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:12:53,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 676 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 571 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-08 16:12:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-08 16:12:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2024-11-08 16:12:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 208 states have (on average 1.2115384615384615) internal successors, (252), 212 states have internal predecessors, (252), 86 states have call successors, (86), 18 states have call predecessors, (86), 22 states have return successors, (100), 86 states have call predecessors, (100), 86 states have call successors, (100) [2024-11-08 16:12:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 438 transitions. [2024-11-08 16:12:53,511 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 438 transitions. Word has length 240 [2024-11-08 16:12:53,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:12:53,513 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 438 transitions. [2024-11-08 16:12:53,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 16:12:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 438 transitions. [2024-11-08 16:12:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 16:12:53,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:12:53,515 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-08 16:12:53,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:12:53,516 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:12:53,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:12:53,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1231711001, now seen corresponding path program 1 times [2024-11-08 16:12:53,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:12:53,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564018057] [2024-11-08 16:12:53,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:53,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:12:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:12:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:12:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:12:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:12:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:12:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:12:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:12:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:12:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:12:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:12:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:12:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:12:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:12:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:12:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:12:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 16:12:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 16:12:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 16:12:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 16:12:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-08 16:12:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 16:12:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 16:12:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 16:12:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 16:12:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 16:12:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 16:12:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 16:12:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 16:12:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 16:12:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-08 16:12:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2024-11-08 16:12:54,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:12:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564018057] [2024-11-08 16:12:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564018057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:12:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395115040] [2024-11-08 16:12:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:12:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:12:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:12:54,487 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) [2024-11-08 16:12:54,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:12:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:12:55,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:12:55,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:12:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-08 16:12:55,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:12:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1441 trivial. 0 not checked. [2024-11-08 16:12:55,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395115040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:12:55,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:12:55,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-11-08 16:12:55,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356938173] [2024-11-08 16:12:55,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:12:55,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:12:55,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:12:55,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:12:55,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:12:55,810 INFO L87 Difference]: Start difference. First operand 317 states and 438 transitions. Second operand has 16 states, 16 states have (on average 5.8125) internal successors, (93), 12 states have internal predecessors, (93), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-08 16:12:59,836 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 [] [2024-11-08 16:13:03,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:13:07,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:13:11,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:13:13,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:13:13,226 INFO L93 Difference]: Finished difference Result 617 states and 873 transitions. [2024-11-08 16:13:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:13:13,226 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.8125) internal successors, (93), 12 states have internal predecessors, (93), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) Word has length 240 [2024-11-08 16:13:13,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:13:13,229 INFO L225 Difference]: With dead ends: 617 [2024-11-08 16:13:13,229 INFO L226 Difference]: Without dead ends: 337 [2024-11-08 16:13:13,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:13:13,231 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 248 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 202 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:13:13,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 635 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 631 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2024-11-08 16:13:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-08 16:13:13,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 330. [2024-11-08 16:13:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 222 states have (on average 1.2387387387387387) internal successors, (275), 226 states have internal predecessors, (275), 77 states have call successors, (77), 26 states have call predecessors, (77), 30 states have return successors, (101), 77 states have call predecessors, (101), 77 states have call successors, (101) [2024-11-08 16:13:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 453 transitions. [2024-11-08 16:13:13,252 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 453 transitions. Word has length 240 [2024-11-08 16:13:13,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:13:13,253 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 453 transitions. [2024-11-08 16:13:13,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.8125) internal successors, (93), 12 states have internal predecessors, (93), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-08 16:13:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 453 transitions. [2024-11-08 16:13:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 16:13:13,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:13:13,255 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-08 16:13:13,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:13:13,456 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 [2024-11-08 16:13:13,456 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:13:13,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:13:13,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1969115449, now seen corresponding path program 1 times [2024-11-08 16:13:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:13:13,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338004333] [2024-11-08 16:13:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:13:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:13:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:13:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:13:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:13:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:13:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:13:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:13:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:13:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:13:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:13:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:13:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:13:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:13:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:13:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:13:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:13:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:13:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:13:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 16:13:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:13:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 16:13:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 16:13:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 16:13:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 16:13:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-08 16:13:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 16:13:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 16:13:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 16:13:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 16:13:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 16:13:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 16:13:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 16:13:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 16:13:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 16:13:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-08 16:13:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2024-11-08 16:13:16,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:13:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338004333] [2024-11-08 16:13:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338004333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:13:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973105476] [2024-11-08 16:13:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:13:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:13:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:13:16,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:13:16,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:13:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:13:17,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 16:13:17,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:13:17,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 16:13:23,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:13:23,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:13:23,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2024-11-08 16:13:24,928 INFO L349 Elim1Store]: treesize reduction 64, result has 54.9 percent of original size [2024-11-08 16:13:24,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 104