/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 12:30:23,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 12:30:23,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 12:30:23,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 12:30:23,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 12:30:23,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 12:30:23,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 12:30:23,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 12:30:23,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 12:30:23,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 12:30:23,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 12:30:23,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 12:30:23,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 12:30:23,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 12:30:23,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 12:30:23,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 12:30:23,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 12:30:23,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 12:30:23,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 12:30:23,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 12:30:23,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 12:30:23,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 12:30:23,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 12:30:23,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 12:30:23,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 12:30:23,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 12:30:23,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 12:30:23,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 12:30:23,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 12:30:23,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 12:30:23,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 12:30:23,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 12:30:23,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 12:30:23,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 12:30:23,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 12:30:23,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 12:30:23,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 12:30:23,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 12:30:23,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 12:30:23,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 12:30:23,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 12:30:23,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 12:30:23,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 12:30:23,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 12:30:23,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 12:30:23,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 12:30:23,624 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 12:30:23,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 12:30:23,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 12:30:23,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 12:30:23,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 12:30:23,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 12:30:23,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 12:30:23,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 12:30:23,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 12:30:23,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 12:30:23,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 12:30:23,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 12:30:23,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 12:30:23,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:30:23,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 12:30:23,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 12:30:23,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 12:30:23,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 12:30:23,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 12:30:23,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 12:30:23,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 12:30:23,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 12:30:23,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 12:30:24,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 12:30:24,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 12:30:24,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 12:30:24,027 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 12:30:24,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2020-12-22 12:30:24,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3507f1c6/e749573eb64347958392c33574aa63bf/FLAG9900ae5d9 [2020-12-22 12:30:25,204 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 12:30:25,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2020-12-22 12:30:25,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3507f1c6/e749573eb64347958392c33574aa63bf/FLAG9900ae5d9 [2020-12-22 12:30:25,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3507f1c6/e749573eb64347958392c33574aa63bf [2020-12-22 12:30:25,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 12:30:25,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 12:30:25,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 12:30:25,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 12:30:25,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 12:30:25,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:30:25" (1/1) ... [2020-12-22 12:30:25,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e55f6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:25, skipping insertion in model container [2020-12-22 12:30:25,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:30:25" (1/1) ... [2020-12-22 12:30:25,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 12:30:25,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 12:30:29,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2020-12-22 12:30:29,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:30:29,582 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 12:30:30,326 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2020-12-22 12:30:30,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:30:31,454 INFO L208 MainTranslator]: Completed translation [2020-12-22 12:30:31,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31 WrapperNode [2020-12-22 12:30:31,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 12:30:31,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 12:30:31,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 12:30:31,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 12:30:31,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:31,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:31,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 12:30:31,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 12:30:31,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 12:30:31,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 12:30:31,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:31,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... [2020-12-22 12:30:32,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 12:30:32,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 12:30:32,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 12:30:32,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 12:30:32,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:30:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-22 12:30:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 12:30:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 12:30:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 12:30:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 12:30:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 12:30:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 12:30:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 12:30:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 12:30:32,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 12:30:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 12:30:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 12:30:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 12:30:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 12:30:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 12:30:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 12:30:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 12:34:18,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 12:34:18,811 INFO L299 CfgBuilder]: Removed 465 assume(true) statements. [2020-12-22 12:34:18,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:34:18 BoogieIcfgContainer [2020-12-22 12:34:18,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 12:34:18,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 12:34:18,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 12:34:18,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 12:34:18,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 12:30:25" (1/3) ... [2020-12-22 12:34:18,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e68149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:34:18, skipping insertion in model container [2020-12-22 12:34:18,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:30:31" (2/3) ... [2020-12-22 12:34:18,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e68149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:34:18, skipping insertion in model container [2020-12-22 12:34:18,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:34:18" (3/3) ... [2020-12-22 12:34:18,832 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2020-12-22 12:34:18,845 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 12:34:18,854 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-12-22 12:34:18,874 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-12-22 12:34:18,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 12:34:18,933 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 12:34:18,933 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 12:34:18,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 12:34:18,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 12:34:18,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 12:34:18,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 12:34:18,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 12:34:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states. [2020-12-22 12:34:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 12:34:18,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:18,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:18,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:19,004 INFO L82 PathProgramCache]: Analyzing trace with hash -37351894, now seen corresponding path program 1 times [2020-12-22 12:34:19,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:19,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285400631] [2020-12-22 12:34:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:20,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285400631] [2020-12-22 12:34:20,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:20,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 12:34:20,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269807989] [2020-12-22 12:34:20,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 12:34:20,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:20,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 12:34:20,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 12:34:20,290 INFO L87 Difference]: Start difference. First operand 666 states. Second operand 2 states. [2020-12-22 12:34:20,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:20,445 INFO L93 Difference]: Finished difference Result 1329 states and 1956 transitions. [2020-12-22 12:34:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 12:34:20,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 48 [2020-12-22 12:34:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:20,485 INFO L225 Difference]: With dead ends: 1329 [2020-12-22 12:34:20,485 INFO L226 Difference]: Without dead ends: 662 [2020-12-22 12:34:20,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 12:34:20,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-22 12:34:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-22 12:34:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-22 12:34:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 948 transitions. [2020-12-22 12:34:20,611 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 948 transitions. Word has length 48 [2020-12-22 12:34:20,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:20,611 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 948 transitions. [2020-12-22 12:34:20,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 12:34:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 948 transitions. [2020-12-22 12:34:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 12:34:20,613 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:20,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:20,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 12:34:20,614 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:20,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:20,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1505409386, now seen corresponding path program 1 times [2020-12-22 12:34:20,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:20,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176863078] [2020-12-22 12:34:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:21,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176863078] [2020-12-22 12:34:21,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:21,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:21,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456023052] [2020-12-22 12:34:21,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:21,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:21,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:21,281 INFO L87 Difference]: Start difference. First operand 662 states and 948 transitions. Second operand 3 states. [2020-12-22 12:34:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:21,563 INFO L93 Difference]: Finished difference Result 1286 states and 1857 transitions. [2020-12-22 12:34:21,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:21,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-22 12:34:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:21,573 INFO L225 Difference]: With dead ends: 1286 [2020-12-22 12:34:21,573 INFO L226 Difference]: Without dead ends: 665 [2020-12-22 12:34:21,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:21,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-12-22 12:34:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 664. [2020-12-22 12:34:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-12-22 12:34:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 949 transitions. [2020-12-22 12:34:21,595 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 949 transitions. Word has length 48 [2020-12-22 12:34:21,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:21,595 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 949 transitions. [2020-12-22 12:34:21,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 949 transitions. [2020-12-22 12:34:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 12:34:21,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:21,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:21,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 12:34:21,598 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:21,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1448151084, now seen corresponding path program 1 times [2020-12-22 12:34:21,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:21,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815438634] [2020-12-22 12:34:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:22,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815438634] [2020-12-22 12:34:22,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:22,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:22,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548115099] [2020-12-22 12:34:22,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:22,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:22,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:22,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:22,253 INFO L87 Difference]: Start difference. First operand 664 states and 949 transitions. Second operand 3 states. [2020-12-22 12:34:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:24,624 INFO L93 Difference]: Finished difference Result 664 states and 949 transitions. [2020-12-22 12:34:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:24,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-22 12:34:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:24,629 INFO L225 Difference]: With dead ends: 664 [2020-12-22 12:34:24,630 INFO L226 Difference]: Without dead ends: 654 [2020-12-22 12:34:24,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-12-22 12:34:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2020-12-22 12:34:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-12-22 12:34:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 939 transitions. [2020-12-22 12:34:24,650 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 939 transitions. Word has length 48 [2020-12-22 12:34:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:24,650 INFO L481 AbstractCegarLoop]: Abstraction has 654 states and 939 transitions. [2020-12-22 12:34:24,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 939 transitions. [2020-12-22 12:34:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 12:34:24,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:24,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:24,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 12:34:24,653 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:24,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:24,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1943011310, now seen corresponding path program 1 times [2020-12-22 12:34:24,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:24,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989772343] [2020-12-22 12:34:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:25,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989772343] [2020-12-22 12:34:25,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:25,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:25,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837102286] [2020-12-22 12:34:25,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:25,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:25,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:25,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:25,352 INFO L87 Difference]: Start difference. First operand 654 states and 939 transitions. Second operand 3 states. [2020-12-22 12:34:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:27,572 INFO L93 Difference]: Finished difference Result 654 states and 939 transitions. [2020-12-22 12:34:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:27,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-22 12:34:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:27,577 INFO L225 Difference]: With dead ends: 654 [2020-12-22 12:34:27,578 INFO L226 Difference]: Without dead ends: 652 [2020-12-22 12:34:27,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-12-22 12:34:27,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2020-12-22 12:34:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-12-22 12:34:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 937 transitions. [2020-12-22 12:34:27,601 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 937 transitions. Word has length 49 [2020-12-22 12:34:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:27,602 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 937 transitions. [2020-12-22 12:34:27,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 937 transitions. [2020-12-22 12:34:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 12:34:27,603 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:27,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:27,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 12:34:27,604 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:27,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:27,604 INFO L82 PathProgramCache]: Analyzing trace with hash 103809142, now seen corresponding path program 1 times [2020-12-22 12:34:27,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:27,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968178427] [2020-12-22 12:34:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:28,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968178427] [2020-12-22 12:34:28,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:28,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:28,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832628533] [2020-12-22 12:34:28,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:28,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:28,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:28,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:28,162 INFO L87 Difference]: Start difference. First operand 652 states and 937 transitions. Second operand 3 states. [2020-12-22 12:34:30,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:30,449 INFO L93 Difference]: Finished difference Result 652 states and 937 transitions. [2020-12-22 12:34:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:30,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-22 12:34:30,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:30,454 INFO L225 Difference]: With dead ends: 652 [2020-12-22 12:34:30,455 INFO L226 Difference]: Without dead ends: 650 [2020-12-22 12:34:30,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-12-22 12:34:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2020-12-22 12:34:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-12-22 12:34:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 935 transitions. [2020-12-22 12:34:30,481 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 935 transitions. Word has length 50 [2020-12-22 12:34:30,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:30,482 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 935 transitions. [2020-12-22 12:34:30,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 935 transitions. [2020-12-22 12:34:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 12:34:30,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:30,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:30,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 12:34:30,484 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:30,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1076883208, now seen corresponding path program 1 times [2020-12-22 12:34:30,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:30,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836993047] [2020-12-22 12:34:30,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:31,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836993047] [2020-12-22 12:34:31,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:31,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:31,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512355891] [2020-12-22 12:34:31,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:31,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:31,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:31,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:31,070 INFO L87 Difference]: Start difference. First operand 650 states and 935 transitions. Second operand 3 states. [2020-12-22 12:34:33,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:33,323 INFO L93 Difference]: Finished difference Result 650 states and 935 transitions. [2020-12-22 12:34:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:33,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-22 12:34:33,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:33,328 INFO L225 Difference]: With dead ends: 650 [2020-12-22 12:34:33,328 INFO L226 Difference]: Without dead ends: 648 [2020-12-22 12:34:33,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:33,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-12-22 12:34:33,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2020-12-22 12:34:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-12-22 12:34:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 933 transitions. [2020-12-22 12:34:33,356 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 933 transitions. Word has length 51 [2020-12-22 12:34:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:33,357 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 933 transitions. [2020-12-22 12:34:33,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 933 transitions. [2020-12-22 12:34:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 12:34:33,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:33,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:33,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 12:34:33,359 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:33,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:33,359 INFO L82 PathProgramCache]: Analyzing trace with hash 976359616, now seen corresponding path program 1 times [2020-12-22 12:34:33,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:33,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130603518] [2020-12-22 12:34:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:33,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130603518] [2020-12-22 12:34:33,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:33,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:33,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732498909] [2020-12-22 12:34:33,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:33,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:33,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:33,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:33,965 INFO L87 Difference]: Start difference. First operand 648 states and 933 transitions. Second operand 3 states. [2020-12-22 12:34:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:36,251 INFO L93 Difference]: Finished difference Result 648 states and 933 transitions. [2020-12-22 12:34:36,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:36,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-22 12:34:36,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:36,305 INFO L225 Difference]: With dead ends: 648 [2020-12-22 12:34:36,305 INFO L226 Difference]: Without dead ends: 641 [2020-12-22 12:34:36,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:36,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-12-22 12:34:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2020-12-22 12:34:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-12-22 12:34:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 925 transitions. [2020-12-22 12:34:36,333 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 925 transitions. Word has length 52 [2020-12-22 12:34:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:36,333 INFO L481 AbstractCegarLoop]: Abstraction has 641 states and 925 transitions. [2020-12-22 12:34:36,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 925 transitions. [2020-12-22 12:34:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 12:34:36,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:36,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:36,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 12:34:36,336 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:36,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1767356800, now seen corresponding path program 1 times [2020-12-22 12:34:36,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:36,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932464898] [2020-12-22 12:34:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:37,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932464898] [2020-12-22 12:34:37,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:37,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:37,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506970392] [2020-12-22 12:34:37,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:37,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:37,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:37,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:37,046 INFO L87 Difference]: Start difference. First operand 641 states and 925 transitions. Second operand 3 states. [2020-12-22 12:34:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:39,195 INFO L93 Difference]: Finished difference Result 1595 states and 2336 transitions. [2020-12-22 12:34:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:39,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-22 12:34:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:39,202 INFO L225 Difference]: With dead ends: 1595 [2020-12-22 12:34:39,203 INFO L226 Difference]: Without dead ends: 1000 [2020-12-22 12:34:39,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-12-22 12:34:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 996. [2020-12-22 12:34:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-12-22 12:34:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1455 transitions. [2020-12-22 12:34:39,252 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1455 transitions. Word has length 63 [2020-12-22 12:34:39,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:39,253 INFO L481 AbstractCegarLoop]: Abstraction has 996 states and 1455 transitions. [2020-12-22 12:34:39,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1455 transitions. [2020-12-22 12:34:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 12:34:39,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:34:39,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:34:39,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 12:34:39,255 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:34:39,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:34:39,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1361244964, now seen corresponding path program 1 times [2020-12-22 12:34:39,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:34:39,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090047715] [2020-12-22 12:34:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:34:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:34:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:34:39,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090047715] [2020-12-22 12:34:39,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:34:39,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:34:39,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972006105] [2020-12-22 12:34:39,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:34:39,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:34:39,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:34:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:39,925 INFO L87 Difference]: Start difference. First operand 996 states and 1455 transitions. Second operand 3 states. [2020-12-22 12:34:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:34:42,387 INFO L93 Difference]: Finished difference Result 996 states and 1455 transitions. [2020-12-22 12:34:42,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:34:42,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-22 12:34:42,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:34:42,389 INFO L225 Difference]: With dead ends: 996 [2020-12-22 12:34:42,389 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 12:34:42,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:34:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 12:34:42,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 12:34:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 12:34:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 12:34:42,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-12-22 12:34:42,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:34:42,392 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 12:34:42,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:34:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 12:34:42,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 12:34:42,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 12:34:42,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.