/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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:02:44,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:02:44,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:02:44,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:02:44,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:02:44,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:02:44,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:02:44,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:02:44,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:02:44,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:02:44,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:02:44,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:02:44,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:02:44,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:02:44,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:02:44,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:02:44,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:02:44,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:02:44,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:02:44,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:02:44,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:02:44,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:02:44,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:02:44,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:02:44,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:02:44,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:02:44,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:02:44,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:02:44,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:02:44,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:02:44,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:02:44,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:02:44,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:02:44,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:02:44,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:02:44,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:02:44,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:02:44,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:02:44,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:02:44,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:02:44,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:02:44,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:02:44,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:02:44,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:02:44,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:02:44,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:02:44,599 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:02:44,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:02:44,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:02:44,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:02:44,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:02:44,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:02:44,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:02:44,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:02:44,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:02:44,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:02:44,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:02:44,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:02:44,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:02:44,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:02:44,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:02:44,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:02:44,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:02:44,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:02:44,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:02:44,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:02:44,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:02:44,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:02:45,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:02:45,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:02:45,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:02:45,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:02:45,100 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:02:45,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-12-22 13:02:45,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d8e1bfc/967cb88b904b4bcea57ef8d37aae1b80/FLAGc640c9691 [2020-12-22 13:02:46,428 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:02:46,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-12-22 13:02:46,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d8e1bfc/967cb88b904b4bcea57ef8d37aae1b80/FLAGc640c9691 [2020-12-22 13:02:46,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d8e1bfc/967cb88b904b4bcea57ef8d37aae1b80 [2020-12-22 13:02:46,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:02:46,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:02:46,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:02:46,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:02:46,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:02:46,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:02:46" (1/1) ... [2020-12-22 13:02:46,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a704668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:46, skipping insertion in model container [2020-12-22 13:02:46,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:02:46" (1/1) ... [2020-12-22 13:02:46,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:02:47,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:02:48,876 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2020-12-22 13:02:49,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:02:49,063 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:02:49,597 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2020-12-22 13:02:49,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:02:49,887 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:02:49,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49 WrapperNode [2020-12-22 13:02:49,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:02:49,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:02:49,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:02:49,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:02:49,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:02:50,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:02:50,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:02:50,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:02:50,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (1/1) ... [2020-12-22 13:02:50,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:02:50,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:02:50,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:02:50,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:02:50,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (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 13:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 13:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 13:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:02:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:02:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:02:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:02:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:02:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 13:03:13,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 13:03:13,611 INFO L299 CfgBuilder]: Removed 1570 assume(true) statements. [2020-12-22 13:03:13,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:03:13 BoogieIcfgContainer [2020-12-22 13:03:13,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 13:03:13,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 13:03:13,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 13:03:13,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 13:03:13,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:02:46" (1/3) ... [2020-12-22 13:03:13,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78479366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:03:13, skipping insertion in model container [2020-12-22 13:03:13,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:02:49" (2/3) ... [2020-12-22 13:03:13,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78479366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:03:13, skipping insertion in model container [2020-12-22 13:03:13,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:03:13" (3/3) ... [2020-12-22 13:03:13,627 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-12-22 13:03:13,634 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 13:03:13,641 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2020-12-22 13:03:13,664 INFO L253 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2020-12-22 13:03:13,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 13:03:13,704 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 13:03:13,704 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 13:03:13,704 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 13:03:13,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 13:03:13,705 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 13:03:13,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 13:03:13,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 13:03:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states. [2020-12-22 13:03:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 13:03:13,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:13,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 13:03:13,764 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:13,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1070827562, now seen corresponding path program 1 times [2020-12-22 13:03:13,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:13,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647620662] [2020-12-22 13:03:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:14,512 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 13:03:14,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647620662] [2020-12-22 13:03:14,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:14,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:14,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868281199] [2020-12-22 13:03:14,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:14,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:14,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:14,540 INFO L87 Difference]: Start difference. First operand 1769 states. Second operand 3 states. [2020-12-22 13:03:16,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:16,995 INFO L93 Difference]: Finished difference Result 5256 states and 7326 transitions. [2020-12-22 13:03:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:16,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 13:03:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:17,041 INFO L225 Difference]: With dead ends: 5256 [2020-12-22 13:03:17,041 INFO L226 Difference]: Without dead ends: 3479 [2020-12-22 13:03:17,055 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 13:03:17,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2020-12-22 13:03:17,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3371. [2020-12-22 13:03:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3371 states. [2020-12-22 13:03:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4622 transitions. [2020-12-22 13:03:17,283 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4622 transitions. Word has length 6 [2020-12-22 13:03:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:17,284 INFO L481 AbstractCegarLoop]: Abstraction has 3371 states and 4622 transitions. [2020-12-22 13:03:17,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4622 transitions. [2020-12-22 13:03:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 13:03:17,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:17,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:17,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 13:03:17,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:17,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:17,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1164079702, now seen corresponding path program 1 times [2020-12-22 13:03:17,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:17,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730901992] [2020-12-22 13:03:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:17,515 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 13:03:17,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730901992] [2020-12-22 13:03:17,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:17,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:17,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236777804] [2020-12-22 13:03:17,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:17,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:17,521 INFO L87 Difference]: Start difference. First operand 3371 states and 4622 transitions. Second operand 3 states. [2020-12-22 13:03:19,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:19,693 INFO L93 Difference]: Finished difference Result 3371 states and 4622 transitions. [2020-12-22 13:03:19,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:19,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-22 13:03:19,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:19,712 INFO L225 Difference]: With dead ends: 3371 [2020-12-22 13:03:19,712 INFO L226 Difference]: Without dead ends: 3369 [2020-12-22 13:03:19,714 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 13:03:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2020-12-22 13:03:19,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3369. [2020-12-22 13:03:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3369 states. [2020-12-22 13:03:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 4620 transitions. [2020-12-22 13:03:19,936 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 4620 transitions. Word has length 7 [2020-12-22 13:03:19,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:19,936 INFO L481 AbstractCegarLoop]: Abstraction has 3369 states and 4620 transitions. [2020-12-22 13:03:19,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 4620 transitions. [2020-12-22 13:03:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 13:03:19,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:19,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:19,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 13:03:19,938 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:19,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1726728140, now seen corresponding path program 1 times [2020-12-22 13:03:19,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:19,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530433076] [2020-12-22 13:03:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:20,109 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 13:03:20,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530433076] [2020-12-22 13:03:20,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:20,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:20,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103575354] [2020-12-22 13:03:20,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:20,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:20,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:20,113 INFO L87 Difference]: Start difference. First operand 3369 states and 4620 transitions. Second operand 3 states. [2020-12-22 13:03:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:22,289 INFO L93 Difference]: Finished difference Result 3369 states and 4620 transitions. [2020-12-22 13:03:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:22,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-22 13:03:22,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:22,308 INFO L225 Difference]: With dead ends: 3369 [2020-12-22 13:03:22,308 INFO L226 Difference]: Without dead ends: 3367 [2020-12-22 13:03:22,310 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 13:03:22,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2020-12-22 13:03:22,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3367. [2020-12-22 13:03:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3367 states. [2020-12-22 13:03:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4618 transitions. [2020-12-22 13:03:22,428 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4618 transitions. Word has length 8 [2020-12-22 13:03:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:22,428 INFO L481 AbstractCegarLoop]: Abstraction has 3367 states and 4618 transitions. [2020-12-22 13:03:22,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4618 transitions. [2020-12-22 13:03:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 13:03:22,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:22,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:22,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 13:03:22,431 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:22,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:22,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1988960524, now seen corresponding path program 1 times [2020-12-22 13:03:22,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:22,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446705479] [2020-12-22 13:03:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:22,634 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 13:03:22,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446705479] [2020-12-22 13:03:22,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:22,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:22,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416063888] [2020-12-22 13:03:22,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:22,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:22,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:22,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:22,638 INFO L87 Difference]: Start difference. First operand 3367 states and 4618 transitions. Second operand 3 states. [2020-12-22 13:03:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:25,444 INFO L93 Difference]: Finished difference Result 9735 states and 13477 transitions. [2020-12-22 13:03:25,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:25,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-22 13:03:25,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:25,478 INFO L225 Difference]: With dead ends: 9735 [2020-12-22 13:03:25,478 INFO L226 Difference]: Without dead ends: 6366 [2020-12-22 13:03:25,486 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 13:03:25,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2020-12-22 13:03:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 5900. [2020-12-22 13:03:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5900 states. [2020-12-22 13:03:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 8153 transitions. [2020-12-22 13:03:25,697 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 8153 transitions. Word has length 9 [2020-12-22 13:03:25,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:25,698 INFO L481 AbstractCegarLoop]: Abstraction has 5900 states and 8153 transitions. [2020-12-22 13:03:25,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 8153 transitions. [2020-12-22 13:03:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-22 13:03:25,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:25,704 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] [2020-12-22 13:03:25,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 13:03:25,705 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:25,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1584398266, now seen corresponding path program 1 times [2020-12-22 13:03:25,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:25,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803294467] [2020-12-22 13:03:25,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:25,975 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 13:03:25,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803294467] [2020-12-22 13:03:25,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:25,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:03:25,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804591939] [2020-12-22 13:03:25,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:25,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:25,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:25,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:25,979 INFO L87 Difference]: Start difference. First operand 5900 states and 8153 transitions. Second operand 3 states. [2020-12-22 13:03:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:26,600 INFO L93 Difference]: Finished difference Result 11618 states and 16052 transitions. [2020-12-22 13:03:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:26,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-22 13:03:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:26,633 INFO L225 Difference]: With dead ends: 11618 [2020-12-22 13:03:26,633 INFO L226 Difference]: Without dead ends: 5720 [2020-12-22 13:03:26,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 13:03:26,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5720 states. [2020-12-22 13:03:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5720 to 5720. [2020-12-22 13:03:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5720 states. [2020-12-22 13:03:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5720 states to 5720 states and 7575 transitions. [2020-12-22 13:03:26,918 INFO L78 Accepts]: Start accepts. Automaton has 5720 states and 7575 transitions. Word has length 62 [2020-12-22 13:03:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:26,919 INFO L481 AbstractCegarLoop]: Abstraction has 5720 states and 7575 transitions. [2020-12-22 13:03:26,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5720 states and 7575 transitions. [2020-12-22 13:03:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-22 13:03:26,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:26,925 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] [2020-12-22 13:03:26,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 13:03:26,926 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:26,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1751479244, now seen corresponding path program 1 times [2020-12-22 13:03:26,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:26,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206144771] [2020-12-22 13:03:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:27,229 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 13:03:27,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206144771] [2020-12-22 13:03:27,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:27,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:27,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457541962] [2020-12-22 13:03:27,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:27,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:27,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:27,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:27,232 INFO L87 Difference]: Start difference. First operand 5720 states and 7575 transitions. Second operand 3 states. [2020-12-22 13:03:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:27,568 INFO L93 Difference]: Finished difference Result 11438 states and 15148 transitions. [2020-12-22 13:03:27,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:27,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-22 13:03:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:27,602 INFO L225 Difference]: With dead ends: 11438 [2020-12-22 13:03:27,602 INFO L226 Difference]: Without dead ends: 5720 [2020-12-22 13:03:27,613 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 13:03:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5720 states. [2020-12-22 13:03:27,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5720 to 5720. [2020-12-22 13:03:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5720 states. [2020-12-22 13:03:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5720 states to 5720 states and 7559 transitions. [2020-12-22 13:03:27,841 INFO L78 Accepts]: Start accepts. Automaton has 5720 states and 7559 transitions. Word has length 62 [2020-12-22 13:03:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:27,847 INFO L481 AbstractCegarLoop]: Abstraction has 5720 states and 7559 transitions. [2020-12-22 13:03:27,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5720 states and 7559 transitions. [2020-12-22 13:03:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 13:03:27,856 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:27,856 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 13:03:27,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 13:03:27,859 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:27,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:27,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1962603724, now seen corresponding path program 1 times [2020-12-22 13:03:27,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:27,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148214139] [2020-12-22 13:03:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:28,105 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 13:03:28,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148214139] [2020-12-22 13:03:28,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:28,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:03:28,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149235106] [2020-12-22 13:03:28,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:03:28,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:28,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:03:28,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:03:28,109 INFO L87 Difference]: Start difference. First operand 5720 states and 7559 transitions. Second operand 4 states. [2020-12-22 13:03:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:28,755 INFO L93 Difference]: Finished difference Result 17060 states and 22521 transitions. [2020-12-22 13:03:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:03:28,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-12-22 13:03:28,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:28,794 INFO L225 Difference]: With dead ends: 17060 [2020-12-22 13:03:28,795 INFO L226 Difference]: Without dead ends: 11342 [2020-12-22 13:03:28,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:28,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11342 states. [2020-12-22 13:03:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11342 to 5720. [2020-12-22 13:03:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5720 states. [2020-12-22 13:03:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5720 states to 5720 states and 7551 transitions. [2020-12-22 13:03:29,131 INFO L78 Accepts]: Start accepts. Automaton has 5720 states and 7551 transitions. Word has length 63 [2020-12-22 13:03:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:29,133 INFO L481 AbstractCegarLoop]: Abstraction has 5720 states and 7551 transitions. [2020-12-22 13:03:29,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:03:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5720 states and 7551 transitions. [2020-12-22 13:03:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 13:03:29,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:29,137 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 13:03:29,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 13:03:29,139 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:29,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:29,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1617824831, now seen corresponding path program 1 times [2020-12-22 13:03:29,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:29,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202130225] [2020-12-22 13:03:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:29,550 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 13:03:29,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202130225] [2020-12-22 13:03:29,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:29,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:03:29,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115656367] [2020-12-22 13:03:29,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:29,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:29,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:29,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:29,555 INFO L87 Difference]: Start difference. First operand 5720 states and 7551 transitions. Second operand 3 states. [2020-12-22 13:03:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:29,779 INFO L93 Difference]: Finished difference Result 11060 states and 14618 transitions. [2020-12-22 13:03:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:29,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-22 13:03:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:29,796 INFO L225 Difference]: With dead ends: 11060 [2020-12-22 13:03:29,796 INFO L226 Difference]: Without dead ends: 5342 [2020-12-22 13:03:29,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 13:03:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2020-12-22 13:03:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5342. [2020-12-22 13:03:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5342 states. [2020-12-22 13:03:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 7057 transitions. [2020-12-22 13:03:30,046 INFO L78 Accepts]: Start accepts. Automaton has 5342 states and 7057 transitions. Word has length 63 [2020-12-22 13:03:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:30,047 INFO L481 AbstractCegarLoop]: Abstraction has 5342 states and 7057 transitions. [2020-12-22 13:03:30,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5342 states and 7057 transitions. [2020-12-22 13:03:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-22 13:03:30,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:30,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:30,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 13:03:30,051 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:30,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:30,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1271548182, now seen corresponding path program 1 times [2020-12-22 13:03:30,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:30,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618551429] [2020-12-22 13:03:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:30,224 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 13:03:30,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618551429] [2020-12-22 13:03:30,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:30,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:30,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051280207] [2020-12-22 13:03:30,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:30,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:30,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:30,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:30,233 INFO L87 Difference]: Start difference. First operand 5342 states and 7057 transitions. Second operand 3 states. [2020-12-22 13:03:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:30,474 INFO L93 Difference]: Finished difference Result 10718 states and 14171 transitions. [2020-12-22 13:03:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:30,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-22 13:03:30,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:30,488 INFO L225 Difference]: With dead ends: 10718 [2020-12-22 13:03:30,488 INFO L226 Difference]: Without dead ends: 5378 [2020-12-22 13:03:30,498 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 13:03:30,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2020-12-22 13:03:30,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 5378. [2020-12-22 13:03:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5378 states. [2020-12-22 13:03:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5378 states to 5378 states and 7108 transitions. [2020-12-22 13:03:30,874 INFO L78 Accepts]: Start accepts. Automaton has 5378 states and 7108 transitions. Word has length 77 [2020-12-22 13:03:30,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:30,875 INFO L481 AbstractCegarLoop]: Abstraction has 5378 states and 7108 transitions. [2020-12-22 13:03:30,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5378 states and 7108 transitions. [2020-12-22 13:03:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 13:03:30,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:30,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:30,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 13:03:30,878 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:30,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:30,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1972753161, now seen corresponding path program 1 times [2020-12-22 13:03:30,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:30,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122682464] [2020-12-22 13:03:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:31,204 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 13:03:31,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122682464] [2020-12-22 13:03:31,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:31,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:31,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964697212] [2020-12-22 13:03:31,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:31,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:31,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:31,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:31,209 INFO L87 Difference]: Start difference. First operand 5378 states and 7108 transitions. Second operand 3 states. [2020-12-22 13:03:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:33,792 INFO L93 Difference]: Finished difference Result 10824 states and 14289 transitions. [2020-12-22 13:03:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:33,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-22 13:03:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:33,815 INFO L225 Difference]: With dead ends: 10824 [2020-12-22 13:03:33,815 INFO L226 Difference]: Without dead ends: 5448 [2020-12-22 13:03:33,825 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 13:03:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5448 states. [2020-12-22 13:03:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5448 to 5356. [2020-12-22 13:03:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5356 states. [2020-12-22 13:03:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5356 states to 5356 states and 6998 transitions. [2020-12-22 13:03:34,065 INFO L78 Accepts]: Start accepts. Automaton has 5356 states and 6998 transitions. Word has length 80 [2020-12-22 13:03:34,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:34,066 INFO L481 AbstractCegarLoop]: Abstraction has 5356 states and 6998 transitions. [2020-12-22 13:03:34,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5356 states and 6998 transitions. [2020-12-22 13:03:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 13:03:34,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:34,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:34,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 13:03:34,068 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:34,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:34,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1621149557, now seen corresponding path program 1 times [2020-12-22 13:03:34,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:34,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436035191] [2020-12-22 13:03:34,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:34,417 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 13:03:34,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436035191] [2020-12-22 13:03:34,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:34,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:03:34,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180165493] [2020-12-22 13:03:34,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:03:34,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:34,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:03:34,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:34,422 INFO L87 Difference]: Start difference. First operand 5356 states and 6998 transitions. Second operand 5 states. [2020-12-22 13:03:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:36,406 INFO L93 Difference]: Finished difference Result 12762 states and 16854 transitions. [2020-12-22 13:03:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 13:03:36,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2020-12-22 13:03:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:36,441 INFO L225 Difference]: With dead ends: 12762 [2020-12-22 13:03:36,441 INFO L226 Difference]: Without dead ends: 12454 [2020-12-22 13:03:36,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:03:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12454 states. [2020-12-22 13:03:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12454 to 5048. [2020-12-22 13:03:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5048 states. [2020-12-22 13:03:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 6591 transitions. [2020-12-22 13:03:36,779 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 6591 transitions. Word has length 80 [2020-12-22 13:03:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:36,781 INFO L481 AbstractCegarLoop]: Abstraction has 5048 states and 6591 transitions. [2020-12-22 13:03:36,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:03:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 6591 transitions. [2020-12-22 13:03:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-22 13:03:36,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:36,786 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 13:03:36,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 13:03:36,787 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:36,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:36,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2129387210, now seen corresponding path program 1 times [2020-12-22 13:03:36,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:36,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897606524] [2020-12-22 13:03:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:03:37,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897606524] [2020-12-22 13:03:37,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:37,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:03:37,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440139368] [2020-12-22 13:03:37,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:03:37,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:37,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:03:37,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:03:37,018 INFO L87 Difference]: Start difference. First operand 5048 states and 6591 transitions. Second operand 4 states. [2020-12-22 13:03:37,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:37,319 INFO L93 Difference]: Finished difference Result 10116 states and 13204 transitions. [2020-12-22 13:03:37,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 13:03:37,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-22 13:03:37,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:37,331 INFO L225 Difference]: With dead ends: 10116 [2020-12-22 13:03:37,331 INFO L226 Difference]: Without dead ends: 5067 [2020-12-22 13:03:37,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5067 states. [2020-12-22 13:03:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5067 to 5057. [2020-12-22 13:03:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2020-12-22 13:03:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6599 transitions. [2020-12-22 13:03:37,734 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6599 transitions. Word has length 94 [2020-12-22 13:03:37,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:37,735 INFO L481 AbstractCegarLoop]: Abstraction has 5057 states and 6599 transitions. [2020-12-22 13:03:37,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:03:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6599 transitions. [2020-12-22 13:03:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-22 13:03:37,740 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:37,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:37,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 13:03:37,741 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:37,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:37,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1592280290, now seen corresponding path program 1 times [2020-12-22 13:03:37,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:37,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655307560] [2020-12-22 13:03:37,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:38,104 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 13:03:38,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655307560] [2020-12-22 13:03:38,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:38,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:03:38,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698122201] [2020-12-22 13:03:38,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:03:38,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:38,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:03:38,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:38,106 INFO L87 Difference]: Start difference. First operand 5057 states and 6599 transitions. Second operand 5 states. [2020-12-22 13:03:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:39,951 INFO L93 Difference]: Finished difference Result 8989 states and 11782 transitions. [2020-12-22 13:03:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:03:39,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-12-22 13:03:39,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:39,968 INFO L225 Difference]: With dead ends: 8989 [2020-12-22 13:03:39,969 INFO L226 Difference]: Without dead ends: 6884 [2020-12-22 13:03:39,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:03:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-12-22 13:03:40,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 3022. [2020-12-22 13:03:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-12-22 13:03:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 3909 transitions. [2020-12-22 13:03:40,177 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 3909 transitions. Word has length 113 [2020-12-22 13:03:40,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:40,178 INFO L481 AbstractCegarLoop]: Abstraction has 3022 states and 3909 transitions. [2020-12-22 13:03:40,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:03:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3909 transitions. [2020-12-22 13:03:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-22 13:03:40,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:40,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:40,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 13:03:40,183 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:40,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:40,183 INFO L82 PathProgramCache]: Analyzing trace with hash -175346826, now seen corresponding path program 1 times [2020-12-22 13:03:40,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:40,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878522381] [2020-12-22 13:03:40,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:03:40,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878522381] [2020-12-22 13:03:40,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:40,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:40,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147578136] [2020-12-22 13:03:40,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:40,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:40,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:40,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:40,570 INFO L87 Difference]: Start difference. First operand 3022 states and 3909 transitions. Second operand 3 states. [2020-12-22 13:03:40,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:40,834 INFO L93 Difference]: Finished difference Result 6054 states and 7832 transitions. [2020-12-22 13:03:40,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:40,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-22 13:03:40,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:40,845 INFO L225 Difference]: With dead ends: 6054 [2020-12-22 13:03:40,846 INFO L226 Difference]: Without dead ends: 3034 [2020-12-22 13:03:40,852 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 13:03:40,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2020-12-22 13:03:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 3026. [2020-12-22 13:03:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3026 states. [2020-12-22 13:03:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 3913 transitions. [2020-12-22 13:03:41,059 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 3913 transitions. Word has length 133 [2020-12-22 13:03:41,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:41,060 INFO L481 AbstractCegarLoop]: Abstraction has 3026 states and 3913 transitions. [2020-12-22 13:03:41,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 3913 transitions. [2020-12-22 13:03:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-22 13:03:41,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:41,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:41,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 13:03:41,065 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:41,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1513139953, now seen corresponding path program 1 times [2020-12-22 13:03:41,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:41,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617807994] [2020-12-22 13:03:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:03:41,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617807994] [2020-12-22 13:03:41,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155464322] [2020-12-22 13:03:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:42,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 13:03:42,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:03:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 13:03:43,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:03:43,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 13:03:43,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343198933] [2020-12-22 13:03:43,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:43,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:43,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:43,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:43,033 INFO L87 Difference]: Start difference. First operand 3026 states and 3913 transitions. Second operand 3 states. [2020-12-22 13:03:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:43,324 INFO L93 Difference]: Finished difference Result 6068 states and 7848 transitions. [2020-12-22 13:03:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:43,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-22 13:03:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:43,333 INFO L225 Difference]: With dead ends: 6068 [2020-12-22 13:03:43,333 INFO L226 Difference]: Without dead ends: 3044 [2020-12-22 13:03:43,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2020-12-22 13:03:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3032. [2020-12-22 13:03:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3032 states. [2020-12-22 13:03:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3919 transitions. [2020-12-22 13:03:43,569 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3919 transitions. Word has length 136 [2020-12-22 13:03:43,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:43,569 INFO L481 AbstractCegarLoop]: Abstraction has 3032 states and 3919 transitions. [2020-12-22 13:03:43,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3919 transitions. [2020-12-22 13:03:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-22 13:03:43,573 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:43,574 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:43,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 13:03:43,791 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:43,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:43,792 INFO L82 PathProgramCache]: Analyzing trace with hash -858689725, now seen corresponding path program 1 times [2020-12-22 13:03:43,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:43,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688990136] [2020-12-22 13:03:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 13:03:44,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688990136] [2020-12-22 13:03:44,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561893101] [2020-12-22 13:03:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:45,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 13:03:45,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:03:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 13:03:45,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:03:45,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 13:03:45,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093652121] [2020-12-22 13:03:45,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:45,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:45,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:45,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:45,614 INFO L87 Difference]: Start difference. First operand 3032 states and 3919 transitions. Second operand 3 states. [2020-12-22 13:03:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:48,054 INFO L93 Difference]: Finished difference Result 6062 states and 7836 transitions. [2020-12-22 13:03:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:03:48,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-12-22 13:03:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:48,060 INFO L225 Difference]: With dead ends: 6062 [2020-12-22 13:03:48,060 INFO L226 Difference]: Without dead ends: 3032 [2020-12-22 13:03:48,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2020-12-22 13:03:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 3032. [2020-12-22 13:03:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3032 states. [2020-12-22 13:03:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3909 transitions. [2020-12-22 13:03:48,269 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3909 transitions. Word has length 139 [2020-12-22 13:03:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:48,270 INFO L481 AbstractCegarLoop]: Abstraction has 3032 states and 3909 transitions. [2020-12-22 13:03:48,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:03:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3909 transitions. [2020-12-22 13:03:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-22 13:03:48,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:48,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:48,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 13:03:48,491 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:48,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:48,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1668036351, now seen corresponding path program 1 times [2020-12-22 13:03:48,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:48,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949168946] [2020-12-22 13:03:48,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 13:03:48,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949168946] [2020-12-22 13:03:48,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518116583] [2020-12-22 13:03:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:50,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 13:03:50,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:03:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 13:03:50,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 13:03:50,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-22 13:03:50,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144266994] [2020-12-22 13:03:50,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:03:50,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:50,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:03:50,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:50,294 INFO L87 Difference]: Start difference. First operand 3032 states and 3909 transitions. Second operand 5 states. [2020-12-22 13:03:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:50,614 INFO L93 Difference]: Finished difference Result 6082 states and 7840 transitions. [2020-12-22 13:03:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 13:03:50,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-12-22 13:03:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:50,637 INFO L225 Difference]: With dead ends: 6082 [2020-12-22 13:03:50,638 INFO L226 Difference]: Without dead ends: 3052 [2020-12-22 13:03:50,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2020-12-22 13:03:50,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3044. [2020-12-22 13:03:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-12-22 13:03:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3921 transitions. [2020-12-22 13:03:50,972 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3921 transitions. Word has length 139 [2020-12-22 13:03:50,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:50,973 INFO L481 AbstractCegarLoop]: Abstraction has 3044 states and 3921 transitions. [2020-12-22 13:03:50,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:03:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3921 transitions. [2020-12-22 13:03:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-22 13:03:50,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:50,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:51,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 13:03:51,192 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:51,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:51,193 INFO L82 PathProgramCache]: Analyzing trace with hash 602953690, now seen corresponding path program 2 times [2020-12-22 13:03:51,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:51,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047242724] [2020-12-22 13:03:51,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-22 13:03:51,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047242724] [2020-12-22 13:03:51,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823711537] [2020-12-22 13:03:51,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:52,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 13:03:52,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 13:03:52,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 13:03:52,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:03:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 13:03:52,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:03:52,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2020-12-22 13:03:52,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695769556] [2020-12-22 13:03:52,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:03:52,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:52,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:03:52,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:03:52,909 INFO L87 Difference]: Start difference. First operand 3044 states and 3921 transitions. Second operand 5 states. [2020-12-22 13:03:53,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:53,910 INFO L93 Difference]: Finished difference Result 8876 states and 11460 transitions. [2020-12-22 13:03:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:03:53,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-12-22 13:03:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:53,931 INFO L225 Difference]: With dead ends: 8876 [2020-12-22 13:03:53,932 INFO L226 Difference]: Without dead ends: 8860 [2020-12-22 13:03:53,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-12-22 13:03:53,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8860 states. [2020-12-22 13:03:54,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8860 to 3028. [2020-12-22 13:03:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3028 states. [2020-12-22 13:03:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 3901 transitions. [2020-12-22 13:03:54,185 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 3901 transitions. Word has length 142 [2020-12-22 13:03:54,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:54,186 INFO L481 AbstractCegarLoop]: Abstraction has 3028 states and 3901 transitions. [2020-12-22 13:03:54,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:03:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3901 transitions. [2020-12-22 13:03:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-22 13:03:54,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:54,191 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:54,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-22 13:03:54,407 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:54,408 INFO L82 PathProgramCache]: Analyzing trace with hash -136202982, now seen corresponding path program 1 times [2020-12-22 13:03:54,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:54,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612640989] [2020-12-22 13:03:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-22 13:03:54,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612640989] [2020-12-22 13:03:54,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151920708] [2020-12-22 13:03:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:56,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2638 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 13:03:56,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:03:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 13:03:56,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 13:03:56,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2020-12-22 13:03:56,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395992129] [2020-12-22 13:03:56,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 13:03:56,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:56,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 13:03:56,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:03:56,288 INFO L87 Difference]: Start difference. First operand 3028 states and 3901 transitions. Second operand 7 states. [2020-12-22 13:03:56,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:56,953 INFO L93 Difference]: Finished difference Result 6104 states and 7860 transitions. [2020-12-22 13:03:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:03:56,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2020-12-22 13:03:56,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:56,963 INFO L225 Difference]: With dead ends: 6104 [2020-12-22 13:03:56,963 INFO L226 Difference]: Without dead ends: 3078 [2020-12-22 13:03:56,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:03:56,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2020-12-22 13:03:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 3058. [2020-12-22 13:03:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3058 states. [2020-12-22 13:03:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 3931 transitions. [2020-12-22 13:03:57,252 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 3931 transitions. Word has length 159 [2020-12-22 13:03:57,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:57,253 INFO L481 AbstractCegarLoop]: Abstraction has 3058 states and 3931 transitions. [2020-12-22 13:03:57,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 13:03:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 3931 transitions. [2020-12-22 13:03:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-22 13:03:57,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:57,258 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:57,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:03:57,473 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:57,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:57,475 INFO L82 PathProgramCache]: Analyzing trace with hash 292046951, now seen corresponding path program 2 times [2020-12-22 13:03:57,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:57,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791495639] [2020-12-22 13:03:57,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 13:03:57,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791495639] [2020-12-22 13:03:57,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:57,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:03:57,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84257639] [2020-12-22 13:03:57,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:03:57,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:57,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:03:57,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:03:57,814 INFO L87 Difference]: Start difference. First operand 3058 states and 3931 transitions. Second operand 5 states. [2020-12-22 13:03:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:03:58,601 INFO L93 Difference]: Finished difference Result 10409 states and 13408 transitions. [2020-12-22 13:03:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:03:58,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-12-22 13:03:58,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:03:58,698 INFO L225 Difference]: With dead ends: 10409 [2020-12-22 13:03:58,699 INFO L226 Difference]: Without dead ends: 8946 [2020-12-22 13:03:58,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 13:03:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8946 states. [2020-12-22 13:03:59,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8946 to 3054. [2020-12-22 13:03:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-12-22 13:03:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3925 transitions. [2020-12-22 13:03:59,067 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3925 transitions. Word has length 165 [2020-12-22 13:03:59,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:03:59,068 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3925 transitions. [2020-12-22 13:03:59,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:03:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3925 transitions. [2020-12-22 13:03:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-22 13:03:59,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:03:59,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:03:59,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 13:03:59,076 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:03:59,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:03:59,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1273641941, now seen corresponding path program 1 times [2020-12-22 13:03:59,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:03:59,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985806532] [2020-12-22 13:03:59,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:03:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:03:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 13:03:59,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985806532] [2020-12-22 13:03:59,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:03:59,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:03:59,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314951075] [2020-12-22 13:03:59,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:03:59,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:03:59,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:03:59,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:03:59,428 INFO L87 Difference]: Start difference. First operand 3054 states and 3925 transitions. Second operand 3 states. [2020-12-22 13:04:00,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:04:00,034 INFO L93 Difference]: Finished difference Result 8386 states and 10773 transitions. [2020-12-22 13:04:00,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:04:00,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-12-22 13:04:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:04:00,046 INFO L225 Difference]: With dead ends: 8386 [2020-12-22 13:04:00,047 INFO L226 Difference]: Without dead ends: 5334 [2020-12-22 13:04:00,053 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 13:04:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2020-12-22 13:04:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 3052. [2020-12-22 13:04:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3052 states. [2020-12-22 13:04:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 3921 transitions. [2020-12-22 13:04:00,409 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 3921 transitions. Word has length 170 [2020-12-22 13:04:00,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:04:00,409 INFO L481 AbstractCegarLoop]: Abstraction has 3052 states and 3921 transitions. [2020-12-22 13:04:00,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:04:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 3921 transitions. [2020-12-22 13:04:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-22 13:04:00,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:04:00,415 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:04:00,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 13:04:00,415 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:04:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:04:00,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1739108248, now seen corresponding path program 1 times [2020-12-22 13:04:00,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:04:00,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261968162] [2020-12-22 13:04:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:04:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:04:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 13:04:00,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261968162] [2020-12-22 13:04:00,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:04:00,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:04:00,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718511836] [2020-12-22 13:04:00,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:04:00,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:04:00,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:04:00,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:04:00,840 INFO L87 Difference]: Start difference. First operand 3052 states and 3921 transitions. Second operand 4 states. [2020-12-22 13:04:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:04:08,168 INFO L93 Difference]: Finished difference Result 12320 states and 15949 transitions. [2020-12-22 13:04:08,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:04:08,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2020-12-22 13:04:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:04:08,186 INFO L225 Difference]: With dead ends: 12320 [2020-12-22 13:04:08,186 INFO L226 Difference]: Without dead ends: 9270 [2020-12-22 13:04:08,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:04:08,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2020-12-22 13:04:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 3056. [2020-12-22 13:04:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3056 states. [2020-12-22 13:04:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 3925 transitions. [2020-12-22 13:04:08,734 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 3925 transitions. Word has length 182 [2020-12-22 13:04:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:04:08,735 INFO L481 AbstractCegarLoop]: Abstraction has 3056 states and 3925 transitions. [2020-12-22 13:04:08,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:04:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 3925 transitions. [2020-12-22 13:04:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-22 13:04:08,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:04:08,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:04:08,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 13:04:08,740 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:04:08,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:04:08,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2063461914, now seen corresponding path program 1 times [2020-12-22 13:04:08,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:04:08,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779790588] [2020-12-22 13:04:08,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:04:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:04:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 13:04:09,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779790588] [2020-12-22 13:04:09,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:04:09,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:04:09,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080647492] [2020-12-22 13:04:09,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:04:09,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:04:09,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:04:09,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:04:09,124 INFO L87 Difference]: Start difference. First operand 3056 states and 3925 transitions. Second operand 5 states. [2020-12-22 13:04:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:04:10,017 INFO L93 Difference]: Finished difference Result 7426 states and 9558 transitions. [2020-12-22 13:04:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:04:10,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-12-22 13:04:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:04:10,029 INFO L225 Difference]: With dead ends: 7426 [2020-12-22 13:04:10,030 INFO L226 Difference]: Without dead ends: 7382 [2020-12-22 13:04:10,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 13:04:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7382 states. [2020-12-22 13:04:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7382 to 3012. [2020-12-22 13:04:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3012 states. [2020-12-22 13:04:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 3012 states and 3871 transitions. [2020-12-22 13:04:10,612 INFO L78 Accepts]: Start accepts. Automaton has 3012 states and 3871 transitions. Word has length 190 [2020-12-22 13:04:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:04:10,613 INFO L481 AbstractCegarLoop]: Abstraction has 3012 states and 3871 transitions. [2020-12-22 13:04:10,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:04:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 3871 transitions. [2020-12-22 13:04:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-22 13:04:10,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:04:10,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:04:10,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 13:04:10,619 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:04:10,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:04:10,619 INFO L82 PathProgramCache]: Analyzing trace with hash -886096410, now seen corresponding path program 1 times [2020-12-22 13:04:10,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:04:10,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313165947] [2020-12-22 13:04:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:04:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:04:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 13:04:11,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313165947] [2020-12-22 13:04:11,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:04:11,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:04:11,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795025778] [2020-12-22 13:04:11,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:04:11,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:04:11,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:04:11,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:04:11,077 INFO L87 Difference]: Start difference. First operand 3012 states and 3871 transitions. Second operand 5 states. [2020-12-22 13:04:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:04:12,188 INFO L93 Difference]: Finished difference Result 7382 states and 9504 transitions. [2020-12-22 13:04:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:04:12,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-12-22 13:04:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:04:12,190 INFO L225 Difference]: With dead ends: 7382 [2020-12-22 13:04:12,190 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 13:04:12,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 13:04:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 13:04:12,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 13:04:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 13:04:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 13:04:12,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-12-22 13:04:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:04:12,198 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 13:04:12,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:04:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 13:04:12,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 13:04:12,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 13:04:12,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 13:04:12,426 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:12,779 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-12-22 13:04:13,098 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-12-22 13:04:13,271 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:14,193 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:14,352 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:14,534 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-12-22 13:04:14,683 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:14,789 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:14,906 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:15,078 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:15,278 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:15,495 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:15,708 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:15,890 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:16,422 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:17,312 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:17,849 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-12-22 13:04:18,664 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:18,829 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:20,125 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-12-22 13:04:20,277 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-12-22 13:04:21,726 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:23,141 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:23,818 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2020-12-22 13:04:24,140 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-12-22 13:04:24,619 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:26,093 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:26,446 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:27,549 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:28,981 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:30,419 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:31,918 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2020-12-22 13:04:32,438 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-12-22 13:04:33,275 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:33,464 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-12-22 13:04:33,579 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-12-22 13:04:33,718 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:34,100 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-12-22 13:04:34,303 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-12-22 13:04:34,560 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-12-22 13:04:36,182 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-12-22 13:04:36,566 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-12-22 13:04:36,958 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-12-22 13:04:38,689 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-12-22 13:04:51,454 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2020-12-22 13:04:52,011 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 153 [2020-12-22 13:04:52,627 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2020-12-22 13:04:52,863 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-12-22 13:04:53,193 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2020-12-22 13:04:54,102 WARN L197 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:04:54,520 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:04:54,905 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-12-22 13:04:55,362 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2020-12-22 13:04:56,113 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 15 [2020-12-22 13:04:56,524 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:04:57,134 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 15 [2020-12-22 13:04:57,744 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:04:58,291 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:04:58,692 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:04:59,281 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:04:59,869 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:00,455 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:00,864 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:01,442 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:02,029 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:02,611 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:03,194 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:04,033 WARN L197 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:04,591 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:05,176 WARN L197 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:05,807 WARN L197 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 15 [2020-12-22 13:05:06,353 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:07,211 WARN L197 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:08,069 WARN L197 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:08,491 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:09,039 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:09,899 WARN L197 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:10,447 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:11,288 WARN L197 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:11,838 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:12,361 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:12,896 WARN L197 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:13,261 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:05:13,794 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:14,157 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:05:14,535 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:05:14,959 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2020-12-22 13:05:15,384 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2020-12-22 13:05:15,788 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:16,195 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:16,740 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:17,137 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:17,544 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:17,942 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:18,480 WARN L197 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:18,891 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:19,301 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:19,775 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-12-22 13:05:20,188 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:20,733 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:21,155 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:21,693 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 15 [2020-12-22 13:05:22,087 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 17 [2020-12-22 13:05:22,511 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:22,940 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 17 [2020-12-22 13:05:23,372 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:23,746 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:05:24,148 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 17 [2020-12-22 13:05:24,591 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:24,974 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 17 [2020-12-22 13:05:25,580 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 15 [2020-12-22 13:05:26,125 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:26,520 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 17 [2020-12-22 13:05:27,071 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:27,611 WARN L197 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:28,197 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:28,786 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:29,182 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:29,760 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:30,316 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:30,717 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:31,550 WARN L197 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:33,419 WARN L197 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2020-12-22 13:05:33,984 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-12-22 13:05:34,564 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:35,158 WARN L197 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-12-22 13:05:36,008 WARN L197 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:36,593 WARN L197 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:37,174 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:37,746 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:38,329 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:38,916 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:39,451 WARN L197 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:40,025 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:40,549 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:41,116 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:41,288 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-12-22 13:05:41,831 WARN L197 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:42,411 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:42,947 WARN L197 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:43,478 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:43,882 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:44,405 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:44,811 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:45,023 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-22 13:05:45,865 WARN L197 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:46,258 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:46,819 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2020-12-22 13:05:47,649 WARN L197 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:05:47,843 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-12-22 13:05:48,197 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:49,358 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 90 DAG size of output: 27 [2020-12-22 13:05:49,576 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-22 13:05:50,095 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:50,843 WARN L197 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2020-12-22 13:05:51,378 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:51,740 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 13:05:52,916 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 90 DAG size of output: 27 [2020-12-22 13:05:53,374 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:54,327 WARN L197 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2020-12-22 13:05:54,858 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:05:56,703 WARN L197 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2020-12-22 13:05:57,193 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2020-12-22 13:05:58,130 WARN L197 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2020-12-22 13:05:58,592 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:05:59,554 WARN L197 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2020-12-22 13:06:00,052 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2020-12-22 13:06:00,513 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:06:01,040 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:01,993 WARN L197 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2020-12-22 13:06:02,454 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-22 13:06:03,003 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:03,862 WARN L197 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:06:04,713 WARN L197 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:06:05,266 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:05,883 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2020-12-22 13:06:06,432 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:06,974 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:07,526 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:08,053 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:08,599 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:09,162 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:09,702 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:10,241 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:10,860 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2020-12-22 13:06:11,374 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:11,928 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:12,535 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2020-12-22 13:06:13,099 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:13,657 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:14,187 WARN L197 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:14,752 WARN L197 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:15,292 WARN L197 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:15,912 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2020-12-22 13:06:16,458 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:17,013 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:17,891 WARN L197 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:06:18,457 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:18,986 WARN L197 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:19,865 WARN L197 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2020-12-22 13:06:20,097 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-22 13:06:20,652 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:21,191 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:21,705 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-12-22 13:06:22,250 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:22,439 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-12-22 13:06:22,984 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:23,227 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2020-12-22 13:06:23,783 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:24,356 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:24,925 WARN L197 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:25,185 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2020-12-22 13:06:25,736 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:26,286 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17 [2020-12-22 13:06:26,862 WARN L197 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2020-12-22 13:06:28,859 WARN L197 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-12-22 13:06:29,082 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-22 13:06:31,343 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-12-22 13:06:31,900 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 17