/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 23:53:07,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 23:53:07,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 23:53:07,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 23:53:07,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 23:53:07,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 23:53:07,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 23:53:07,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 23:53:07,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 23:53:07,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 23:53:07,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 23:53:07,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 23:53:07,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 23:53:07,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 23:53:07,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 23:53:07,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 23:53:07,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 23:53:07,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 23:53:07,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 23:53:07,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 23:53:07,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 23:53:07,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 23:53:07,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 23:53:07,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 23:53:07,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 23:53:07,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 23:53:07,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 23:53:07,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 23:53:07,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 23:53:07,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 23:53:07,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 23:53:07,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 23:53:07,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 23:53:07,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 23:53:07,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 23:53:07,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 23:53:07,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 23:53:07,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 23:53:07,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 23:53:07,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 23:53:07,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 23:53:07,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 23:53:07,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 23:53:07,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 23:53:07,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 23:53:07,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 23:53:07,619 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 23:53:07,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 23:53:07,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 23:53:07,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 23:53:07,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 23:53:07,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 23:53:07,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 23:53:07,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 23:53:07,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 23:53:07,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 23:53:07,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 23:53:07,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 23:53:07,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 23:53:07,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 23:53:07,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 23:53:07,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 23:53:07,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 23:53:07,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 23:53:07,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 23:53:07,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 23:53:07,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 23:53:07,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 23:53:07,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 23:53:07,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 23:53:07,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 23:53:07,624 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 23:53:08,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 23:53:08,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 23:53:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 23:53:08,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 23:53:08,096 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 23:53:08,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label11.c [2020-10-26 23:53:08,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45bfe4e5d/536d3e90a2d3409b87e040b640ccebef/FLAG3bce46994 [2020-10-26 23:53:08,980 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 23:53:08,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label11.c [2020-10-26 23:53:09,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45bfe4e5d/536d3e90a2d3409b87e040b640ccebef/FLAG3bce46994 [2020-10-26 23:53:09,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45bfe4e5d/536d3e90a2d3409b87e040b640ccebef [2020-10-26 23:53:09,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 23:53:09,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 23:53:09,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 23:53:09,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 23:53:09,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 23:53:09,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:53:09" (1/1) ... [2020-10-26 23:53:09,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4410963a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:09, skipping insertion in model container [2020-10-26 23:53:09,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:53:09" (1/1) ... [2020-10-26 23:53:09,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 23:53:09,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 23:53:10,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 23:53:10,102 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 23:53:10,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 23:53:10,353 INFO L208 MainTranslator]: Completed translation [2020-10-26 23:53:10,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10 WrapperNode [2020-10-26 23:53:10,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 23:53:10,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 23:53:10,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 23:53:10,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 23:53:10,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... [2020-10-26 23:53:10,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 23:53:10,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 23:53:10,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 23:53:10,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 23:53:10,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-26 23:53:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 23:53:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 23:53:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 23:53:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 23:53:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-26 23:53:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 23:53:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 23:53:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-26 23:53:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 23:53:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 23:53:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 23:53:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 23:53:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 23:53:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 23:53:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 23:53:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 23:53:13,357 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 23:53:13,358 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 23:53:13,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:53:13 BoogieIcfgContainer [2020-10-26 23:53:13,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 23:53:13,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 23:53:13,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 23:53:13,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 23:53:13,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:53:09" (1/3) ... [2020-10-26 23:53:13,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722001a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:53:13, skipping insertion in model container [2020-10-26 23:53:13,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:53:10" (2/3) ... [2020-10-26 23:53:13,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722001a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:53:13, skipping insertion in model container [2020-10-26 23:53:13,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:53:13" (3/3) ... [2020-10-26 23:53:13,370 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label11.c [2020-10-26 23:53:13,384 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 23:53:13,390 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 23:53:13,404 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 23:53:13,441 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 23:53:13,441 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 23:53:13,441 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 23:53:13,441 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 23:53:13,441 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 23:53:13,442 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 23:53:13,442 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 23:53:13,442 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 23:53:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-26 23:53:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-26 23:53:13,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:53:13,487 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] [2020-10-26 23:53:13,488 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:53:13,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:53:13,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1213456908, now seen corresponding path program 1 times [2020-10-26 23:53:13,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:53:13,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530611529] [2020-10-26 23:53:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:53:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:13,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:14,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:14,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-26 23:53:14,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 760 [2020-10-26 23:53:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 23:53:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:53:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 23:53:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 23:53:14,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:53:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:14,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:14,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:14,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:53:14,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-26 23:53:14,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:14,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:53:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:53:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 23:53:14,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530611529] [2020-10-26 23:53:14,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 23:53:14,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 23:53:14,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017046563] [2020-10-26 23:53:14,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 23:53:14,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:53:14,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 23:53:14,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 23:53:14,805 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 4 states. [2020-10-26 23:53:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:53:19,070 INFO L93 Difference]: Finished difference Result 1174 states and 2170 transitions. [2020-10-26 23:53:19,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 23:53:19,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-26 23:53:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:53:19,108 INFO L225 Difference]: With dead ends: 1174 [2020-10-26 23:53:19,109 INFO L226 Difference]: Without dead ends: 697 [2020-10-26 23:53:19,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 23:53:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-10-26 23:53:19,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 693. [2020-10-26 23:53:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-26 23:53:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1015 transitions. [2020-10-26 23:53:19,270 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1015 transitions. Word has length 62 [2020-10-26 23:53:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:53:19,272 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 1015 transitions. [2020-10-26 23:53:19,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 23:53:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1015 transitions. [2020-10-26 23:53:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-26 23:53:19,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:53:19,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:53:19,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 23:53:19,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:53:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:53:19,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1328461868, now seen corresponding path program 1 times [2020-10-26 23:53:19,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:53:19,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739344003] [2020-10-26 23:53:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:53:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:19,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-26 23:53:20,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:53:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1238 [2020-10-26 23:53:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 23:53:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:53:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-26 23:53:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 23:53:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:53:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:20,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:53:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 23:53:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:53:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:53:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 23:53:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:53:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-26 23:53:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-26 23:53:20,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 23:53:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 23:53:21,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739344003] [2020-10-26 23:53:21,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 23:53:21,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 23:53:21,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368499699] [2020-10-26 23:53:21,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:53:21,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:53:21,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:53:21,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:53:21,061 INFO L87 Difference]: Start difference. First operand 693 states and 1015 transitions. Second operand 7 states. [2020-10-26 23:53:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:53:25,916 INFO L93 Difference]: Finished difference Result 2090 states and 3102 transitions. [2020-10-26 23:53:25,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 23:53:25,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-26 23:53:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:53:25,928 INFO L225 Difference]: With dead ends: 2090 [2020-10-26 23:53:25,928 INFO L226 Difference]: Without dead ends: 1403 [2020-10-26 23:53:25,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-26 23:53:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2020-10-26 23:53:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1379. [2020-10-26 23:53:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2020-10-26 23:53:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1813 transitions. [2020-10-26 23:53:25,988 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1813 transitions. Word has length 138 [2020-10-26 23:53:25,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:53:25,988 INFO L481 AbstractCegarLoop]: Abstraction has 1379 states and 1813 transitions. [2020-10-26 23:53:25,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:53:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1813 transitions. [2020-10-26 23:53:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-26 23:53:25,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:53:25,993 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:53:25,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 23:53:25,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:53:25,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:53:25,994 INFO L82 PathProgramCache]: Analyzing trace with hash 564488954, now seen corresponding path program 1 times [2020-10-26 23:53:25,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:53:25,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139925384] [2020-10-26 23:53:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:53:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:26,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:27,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:31,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-26 23:53:31,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 23:53:31,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4955 [2020-10-26 23:53:31,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-26 23:53:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:53:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-26 23:53:31,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:53:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:31,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:53:31,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 23:53:31,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:53:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:53:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:53:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:31,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-26 23:53:31,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:53:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-26 23:53:31,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 23:53:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-26 23:53:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:31,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:32,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:32,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 23:53:32,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:53:32,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-26 23:53:32,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 23:53:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 23:53:32,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139925384] [2020-10-26 23:53:32,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:53:32,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 23:53:32,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626523265] [2020-10-26 23:53:32,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 23:53:32,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:53:32,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 23:53:32,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-26 23:53:32,298 INFO L87 Difference]: Start difference. First operand 1379 states and 1813 transitions. Second operand 9 states. [2020-10-26 23:53:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:53:40,719 INFO L93 Difference]: Finished difference Result 4264 states and 6022 transitions. [2020-10-26 23:53:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-26 23:53:40,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-10-26 23:53:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:53:40,746 INFO L225 Difference]: With dead ends: 4264 [2020-10-26 23:53:40,751 INFO L226 Difference]: Without dead ends: 2891 [2020-10-26 23:53:40,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-26 23:53:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2020-10-26 23:53:40,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2436. [2020-10-26 23:53:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2436 states. [2020-10-26 23:53:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3222 transitions. [2020-10-26 23:53:40,880 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3222 transitions. Word has length 225 [2020-10-26 23:53:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:53:40,882 INFO L481 AbstractCegarLoop]: Abstraction has 2436 states and 3222 transitions. [2020-10-26 23:53:40,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 23:53:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3222 transitions. [2020-10-26 23:53:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-10-26 23:53:40,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:53:40,895 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:53:40,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 23:53:40,895 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:53:40,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:53:40,896 INFO L82 PathProgramCache]: Analyzing trace with hash 239663730, now seen corresponding path program 1 times [2020-10-26 23:53:40,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:53:40,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65712113] [2020-10-26 23:53:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:53:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:41,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:43,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:45,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-10-26 23:53:45,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 23:53:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-26 23:53:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 23:53:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:53:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 323 [2020-10-26 23:53:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:53:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:46,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:46,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:53:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 23:53:46,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:53:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:53:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:53:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:46,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-26 23:53:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:53:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-26 23:53:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 23:53:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-26 23:53:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:46,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:46,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 23:53:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-26 23:53:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:47,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:47,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:47,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-26 23:53:47,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 324 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-26 23:53:47,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65712113] [2020-10-26 23:53:47,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:53:47,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:53:47,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995915815] [2020-10-26 23:53:47,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 23:53:47,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:53:47,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 23:53:47,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 23:53:47,692 INFO L87 Difference]: Start difference. First operand 2436 states and 3222 transitions. Second operand 8 states. [2020-10-26 23:53:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:53:52,324 INFO L93 Difference]: Finished difference Result 5584 states and 7742 transitions. [2020-10-26 23:53:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 23:53:52,325 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 375 [2020-10-26 23:53:52,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:53:52,347 INFO L225 Difference]: With dead ends: 5584 [2020-10-26 23:53:52,347 INFO L226 Difference]: Without dead ends: 3154 [2020-10-26 23:53:52,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-26 23:53:52,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2020-10-26 23:53:52,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3125. [2020-10-26 23:53:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3125 states. [2020-10-26 23:53:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 4187 transitions. [2020-10-26 23:53:52,450 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 4187 transitions. Word has length 375 [2020-10-26 23:53:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:53:52,451 INFO L481 AbstractCegarLoop]: Abstraction has 3125 states and 4187 transitions. [2020-10-26 23:53:52,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 23:53:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 4187 transitions. [2020-10-26 23:53:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-10-26 23:53:52,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:53:52,461 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:53:52,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 23:53:52,462 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:53:52,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:53:52,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1996622010, now seen corresponding path program 1 times [2020-10-26 23:53:52,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:53:52,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488668443] [2020-10-26 23:53:52,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:53:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:52,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:53,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:54,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:57,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:57,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 419 [2020-10-26 23:53:57,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 23:53:57,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4773 [2020-10-26 23:53:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-26 23:53:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-26 23:53:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:53:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:57,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:53:57,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 23:53:57,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:53:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:53:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:57,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:53:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:57,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:57,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:53:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:53:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-26 23:53:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-26 23:53:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:57,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:57,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:57,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 23:53:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-26 23:53:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:53:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:53:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:53:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:53:57,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:53:57,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-26 23:53:57,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:53:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:53:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:53:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:53:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:53:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 254 proven. 114 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-26 23:53:58,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488668443] [2020-10-26 23:53:58,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:53:58,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:53:58,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252351680] [2020-10-26 23:53:58,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:53:58,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:53:58,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:53:58,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:53:58,153 INFO L87 Difference]: Start difference. First operand 3125 states and 4187 transitions. Second operand 7 states. [2020-10-26 23:54:03,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:03,560 INFO L93 Difference]: Finished difference Result 6654 states and 8868 transitions. [2020-10-26 23:54:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 23:54:03,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 403 [2020-10-26 23:54:03,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:03,577 INFO L225 Difference]: With dead ends: 6654 [2020-10-26 23:54:03,577 INFO L226 Difference]: Without dead ends: 3157 [2020-10-26 23:54:03,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 23:54:03,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2020-10-26 23:54:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 3132. [2020-10-26 23:54:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3132 states. [2020-10-26 23:54:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 3392 transitions. [2020-10-26 23:54:03,665 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 3392 transitions. Word has length 403 [2020-10-26 23:54:03,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:03,666 INFO L481 AbstractCegarLoop]: Abstraction has 3132 states and 3392 transitions. [2020-10-26 23:54:03,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:54:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3392 transitions. [2020-10-26 23:54:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-26 23:54:03,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:03,676 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:54:03,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 23:54:03,677 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:03,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:03,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2049174936, now seen corresponding path program 1 times [2020-10-26 23:54:03,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:03,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182704947] [2020-10-26 23:54:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:03,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:08,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:08,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-26 23:54:08,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 23:54:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-26 23:54:08,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 23:54:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:54:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-26 23:54:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:08,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:08,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:08,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 23:54:08,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:54:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:09,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-26 23:54:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:09,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-26 23:54:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:09,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:09,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:09,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:09,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-26 23:54:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:09,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:09,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:54:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:09,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 162 proven. 190 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-10-26 23:54:09,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182704947] [2020-10-26 23:54:09,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:09,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:54:09,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696721235] [2020-10-26 23:54:09,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:54:09,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:09,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:54:09,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:54:09,502 INFO L87 Difference]: Start difference. First operand 3132 states and 3392 transitions. Second operand 7 states. [2020-10-26 23:54:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:12,992 INFO L93 Difference]: Finished difference Result 7087 states and 7973 transitions. [2020-10-26 23:54:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 23:54:12,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 406 [2020-10-26 23:54:12,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:13,019 INFO L225 Difference]: With dead ends: 7087 [2020-10-26 23:54:13,019 INFO L226 Difference]: Without dead ends: 3961 [2020-10-26 23:54:13,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 23:54:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2020-10-26 23:54:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3825. [2020-10-26 23:54:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3825 states. [2020-10-26 23:54:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3825 states and 4110 transitions. [2020-10-26 23:54:13,151 INFO L78 Accepts]: Start accepts. Automaton has 3825 states and 4110 transitions. Word has length 406 [2020-10-26 23:54:13,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:13,152 INFO L481 AbstractCegarLoop]: Abstraction has 3825 states and 4110 transitions. [2020-10-26 23:54:13,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:54:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 4110 transitions. [2020-10-26 23:54:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2020-10-26 23:54:13,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:13,166 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:54:13,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 23:54:13,167 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:13,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:13,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2125285958, now seen corresponding path program 1 times [2020-10-26 23:54:13,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:13,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399131408] [2020-10-26 23:54:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:13,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:18,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 561 [2020-10-26 23:54:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 23:54:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:18,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:18,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:18,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:18,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 23:54:18,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-26 23:54:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 23:54:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:54:19,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-26 23:54:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-10-26 23:54:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:19,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:19,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:19,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 292 proven. 114 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 23:54:19,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399131408] [2020-10-26 23:54:19,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:19,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:54:19,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940473273] [2020-10-26 23:54:19,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:54:19,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:19,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:54:19,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:54:19,683 INFO L87 Difference]: Start difference. First operand 3825 states and 4110 transitions. Second operand 7 states. [2020-10-26 23:54:23,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:23,566 INFO L93 Difference]: Finished difference Result 9042 states and 9896 transitions. [2020-10-26 23:54:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 23:54:23,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 545 [2020-10-26 23:54:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:23,591 INFO L225 Difference]: With dead ends: 9042 [2020-10-26 23:54:23,592 INFO L226 Difference]: Without dead ends: 5557 [2020-10-26 23:54:23,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 23:54:23,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2020-10-26 23:54:23,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 5531. [2020-10-26 23:54:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5531 states. [2020-10-26 23:54:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5531 states to 5531 states and 5919 transitions. [2020-10-26 23:54:23,726 INFO L78 Accepts]: Start accepts. Automaton has 5531 states and 5919 transitions. Word has length 545 [2020-10-26 23:54:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:23,727 INFO L481 AbstractCegarLoop]: Abstraction has 5531 states and 5919 transitions. [2020-10-26 23:54:23,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:54:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5531 states and 5919 transitions. [2020-10-26 23:54:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2020-10-26 23:54:23,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:23,749 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:54:23,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 23:54:23,749 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:23,750 INFO L82 PathProgramCache]: Analyzing trace with hash -511669978, now seen corresponding path program 1 times [2020-10-26 23:54:23,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:23,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199438578] [2020-10-26 23:54:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:23,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:24,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:27,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:27,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 671 [2020-10-26 23:54:27,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:54:27,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3948 [2020-10-26 23:54:27,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 359 [2020-10-26 23:54:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 23:54:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:27,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:27,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 23:54:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:27,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:28,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:28,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:54:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-26 23:54:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:54:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:28,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 23:54:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:28,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-26 23:54:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:28,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:28,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:28,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-26 23:54:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2020-10-26 23:54:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:28,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:28,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:54:28,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 23:54:28,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:54:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 452 proven. 114 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-10-26 23:54:29,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199438578] [2020-10-26 23:54:29,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:29,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:54:29,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421514146] [2020-10-26 23:54:29,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:54:29,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:29,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:54:29,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:54:29,118 INFO L87 Difference]: Start difference. First operand 5531 states and 5919 transitions. Second operand 7 states. [2020-10-26 23:54:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:32,915 INFO L93 Difference]: Finished difference Result 12432 states and 13331 transitions. [2020-10-26 23:54:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 23:54:32,920 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 653 [2020-10-26 23:54:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:32,948 INFO L225 Difference]: With dead ends: 12432 [2020-10-26 23:54:32,948 INFO L226 Difference]: Without dead ends: 7243 [2020-10-26 23:54:32,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 23:54:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2020-10-26 23:54:33,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 7225. [2020-10-26 23:54:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7225 states. [2020-10-26 23:54:33,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7225 states to 7225 states and 7699 transitions. [2020-10-26 23:54:33,137 INFO L78 Accepts]: Start accepts. Automaton has 7225 states and 7699 transitions. Word has length 653 [2020-10-26 23:54:33,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:33,138 INFO L481 AbstractCegarLoop]: Abstraction has 7225 states and 7699 transitions. [2020-10-26 23:54:33,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:54:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 7225 states and 7699 transitions. [2020-10-26 23:54:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2020-10-26 23:54:33,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:33,150 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:54:33,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 23:54:33,150 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:33,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash -683516634, now seen corresponding path program 1 times [2020-10-26 23:54:33,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:33,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209042852] [2020-10-26 23:54:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:33,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:34,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 689 [2020-10-26 23:54:38,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 23:54:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-26 23:54:38,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 23:54:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 23:54:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 504 [2020-10-26 23:54:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:38,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:38,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:38,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 23:54:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 23:54:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:38,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:38,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:39,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-26 23:54:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:54:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:39,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:39,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:39,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-26 23:54:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:39,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-26 23:54:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:39,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:39,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:39,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 167 proven. 462 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-26 23:54:40,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209042852] [2020-10-26 23:54:40,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:40,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 23:54:40,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009824511] [2020-10-26 23:54:40,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 23:54:40,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:40,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 23:54:40,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 23:54:40,530 INFO L87 Difference]: Start difference. First operand 7225 states and 7699 transitions. Second operand 8 states. [2020-10-26 23:54:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:44,229 INFO L93 Difference]: Finished difference Result 14478 states and 15456 transitions. [2020-10-26 23:54:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-26 23:54:44,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 673 [2020-10-26 23:54:44,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:44,256 INFO L225 Difference]: With dead ends: 14478 [2020-10-26 23:54:44,256 INFO L226 Difference]: Without dead ends: 7937 [2020-10-26 23:54:44,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-10-26 23:54:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7937 states. [2020-10-26 23:54:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7937 to 7566. [2020-10-26 23:54:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7566 states. [2020-10-26 23:54:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 8016 transitions. [2020-10-26 23:54:44,493 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 8016 transitions. Word has length 673 [2020-10-26 23:54:44,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:44,494 INFO L481 AbstractCegarLoop]: Abstraction has 7566 states and 8016 transitions. [2020-10-26 23:54:44,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 23:54:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 8016 transitions. [2020-10-26 23:54:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2020-10-26 23:54:44,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:44,508 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 23:54:44,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 23:54:44,508 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:44,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:44,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1693810528, now seen corresponding path program 1 times [2020-10-26 23:54:44,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:44,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273976884] [2020-10-26 23:54:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:45,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:48,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 762 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3839 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 416 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-26 23:54:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:48,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:54:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:48,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:48,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:48,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-26 23:54:48,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-26 23:54:48,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-26 23:54:48,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-10-26 23:54:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:49,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:49,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-26 23:54:49,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-26 23:54:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-10-26 23:54:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:49,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:49,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 23:54:49,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:49,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 23:54:49,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-26 23:54:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 543 proven. 114 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-26 23:54:49,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273976884] [2020-10-26 23:54:49,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:49,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:54:49,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385486314] [2020-10-26 23:54:49,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:54:49,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:49,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:54:49,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:54:49,714 INFO L87 Difference]: Start difference. First operand 7566 states and 8016 transitions. Second operand 7 states. [2020-10-26 23:54:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:54:53,654 INFO L93 Difference]: Finished difference Result 15840 states and 17010 transitions. [2020-10-26 23:54:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 23:54:53,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 744 [2020-10-26 23:54:53,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:54:53,682 INFO L225 Difference]: With dead ends: 15840 [2020-10-26 23:54:53,683 INFO L226 Difference]: Without dead ends: 8958 [2020-10-26 23:54:53,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 23:54:53,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8958 states. [2020-10-26 23:54:53,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8958 to 8933. [2020-10-26 23:54:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8933 states. [2020-10-26 23:54:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8933 states to 8933 states and 9430 transitions. [2020-10-26 23:54:53,881 INFO L78 Accepts]: Start accepts. Automaton has 8933 states and 9430 transitions. Word has length 744 [2020-10-26 23:54:53,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:54:53,882 INFO L481 AbstractCegarLoop]: Abstraction has 8933 states and 9430 transitions. [2020-10-26 23:54:53,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:54:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 8933 states and 9430 transitions. [2020-10-26 23:54:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2020-10-26 23:54:53,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:54:53,902 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:54:53,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 23:54:53,902 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:54:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:54:53,903 INFO L82 PathProgramCache]: Analyzing trace with hash -466773126, now seen corresponding path program 1 times [2020-10-26 23:54:53,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:54:53,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135826971] [2020-10-26 23:54:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:54:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:54,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 849 [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4169 [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 474 [2020-10-26 23:54:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-26 23:54:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:58,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:54:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:58,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:58,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:54:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:58,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:58,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 23:54:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-26 23:54:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-26 23:54:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:58,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:54:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:54:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-26 23:54:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2020-10-26 23:54:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:54:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:54:58,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:54:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:54:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:54:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:54:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 549 proven. 143 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2020-10-26 23:54:59,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135826971] [2020-10-26 23:54:59,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:54:59,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:54:59,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733888740] [2020-10-26 23:54:59,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:54:59,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:54:59,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:54:59,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:54:59,378 INFO L87 Difference]: Start difference. First operand 8933 states and 9430 transitions. Second operand 7 states. [2020-10-26 23:55:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:55:04,946 INFO L93 Difference]: Finished difference Result 20280 states and 21666 transitions. [2020-10-26 23:55:04,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 23:55:04,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 831 [2020-10-26 23:55:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:55:04,988 INFO L225 Difference]: With dead ends: 20280 [2020-10-26 23:55:04,988 INFO L226 Difference]: Without dead ends: 12031 [2020-10-26 23:55:05,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 23:55:05,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2020-10-26 23:55:05,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 11675. [2020-10-26 23:55:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11675 states. [2020-10-26 23:55:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11675 states to 11675 states and 12381 transitions. [2020-10-26 23:55:05,237 INFO L78 Accepts]: Start accepts. Automaton has 11675 states and 12381 transitions. Word has length 831 [2020-10-26 23:55:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:55:05,238 INFO L481 AbstractCegarLoop]: Abstraction has 11675 states and 12381 transitions. [2020-10-26 23:55:05,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:55:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 11675 states and 12381 transitions. [2020-10-26 23:55:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-10-26 23:55:05,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:55:05,254 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:55:05,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 23:55:05,255 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:55:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:55:05,255 INFO L82 PathProgramCache]: Analyzing trace with hash -874428994, now seen corresponding path program 1 times [2020-10-26 23:55:05,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:55:05,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552291805] [2020-10-26 23:55:05,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:55:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 851 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1671 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 641 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-26 23:55:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:55:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:07,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:07,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:07,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:55:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:07,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:07,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 23:55:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:07,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-26 23:55:07,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-10-26 23:55:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:07,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-26 23:55:07,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-26 23:55:07,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:55:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-26 23:55:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:07,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2020-10-26 23:55:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:55:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-26 23:55:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 649 proven. 2 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2020-10-26 23:55:08,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552291805] [2020-10-26 23:55:08,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:55:08,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 23:55:08,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723123017] [2020-10-26 23:55:08,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 23:55:08,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:55:08,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 23:55:08,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 23:55:08,429 INFO L87 Difference]: Start difference. First operand 11675 states and 12381 transitions. Second operand 8 states. [2020-10-26 23:55:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:55:13,559 INFO L93 Difference]: Finished difference Result 26740 states and 28803 transitions. [2020-10-26 23:55:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 23:55:13,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 833 [2020-10-26 23:55:13,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:55:13,619 INFO L225 Difference]: With dead ends: 26740 [2020-10-26 23:55:13,619 INFO L226 Difference]: Without dead ends: 15069 [2020-10-26 23:55:13,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-26 23:55:13,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15069 states. [2020-10-26 23:55:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15069 to 15067. [2020-10-26 23:55:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15067 states. [2020-10-26 23:55:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15067 states to 15067 states and 16234 transitions. [2020-10-26 23:55:13,953 INFO L78 Accepts]: Start accepts. Automaton has 15067 states and 16234 transitions. Word has length 833 [2020-10-26 23:55:13,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:55:13,955 INFO L481 AbstractCegarLoop]: Abstraction has 15067 states and 16234 transitions. [2020-10-26 23:55:13,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 23:55:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 15067 states and 16234 transitions. [2020-10-26 23:55:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1079 [2020-10-26 23:55:13,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:55:13,987 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:55:13,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 23:55:13,987 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:55:13,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:55:13,988 INFO L82 PathProgramCache]: Analyzing trace with hash 362683948, now seen corresponding path program 1 times [2020-10-26 23:55:13,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:55:13,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831061198] [2020-10-26 23:55:13,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:55:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:15,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:17,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1102 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 474 [2020-10-26 23:55:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 23:55:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:19,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:55:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:19,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:19,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:19,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:55:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:19,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:19,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 23:55:19,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-26 23:55:19,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:19,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 23:55:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:19,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:19,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-26 23:55:19,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-26 23:55:19,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:19,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:55:19,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:19,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-26 23:55:19,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:19,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-26 23:55:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:19,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:55:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-26 23:55:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-10-26 23:55:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:20,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:20,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:20,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2020-10-26 23:55:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:20,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:20,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:20,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-26 23:55:20,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 23:55:20,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-26 23:55:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2020-10-26 23:55:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:20,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:55:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:20,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2020-10-26 23:55:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:20,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:20,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2595 backedges. 667 proven. 387 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2020-10-26 23:55:21,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831061198] [2020-10-26 23:55:21,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:55:21,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:55:21,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809708409] [2020-10-26 23:55:21,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:55:21,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:55:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:55:21,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:55:21,313 INFO L87 Difference]: Start difference. First operand 15067 states and 16234 transitions. Second operand 7 states. [2020-10-26 23:55:25,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:55:25,291 INFO L93 Difference]: Finished difference Result 29448 states and 31773 transitions. [2020-10-26 23:55:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 23:55:25,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1078 [2020-10-26 23:55:25,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:55:25,340 INFO L225 Difference]: With dead ends: 29448 [2020-10-26 23:55:25,340 INFO L226 Difference]: Without dead ends: 15067 [2020-10-26 23:55:25,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 23:55:25,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15067 states. [2020-10-26 23:55:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15067 to 15067. [2020-10-26 23:55:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15067 states. [2020-10-26 23:55:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15067 states to 15067 states and 16218 transitions. [2020-10-26 23:55:25,666 INFO L78 Accepts]: Start accepts. Automaton has 15067 states and 16218 transitions. Word has length 1078 [2020-10-26 23:55:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:55:25,667 INFO L481 AbstractCegarLoop]: Abstraction has 15067 states and 16218 transitions. [2020-10-26 23:55:25,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:55:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 15067 states and 16218 transitions. [2020-10-26 23:55:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2020-10-26 23:55:25,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:55:25,700 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:55:25,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 23:55:25,700 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:55:25,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:55:25,701 INFO L82 PathProgramCache]: Analyzing trace with hash 768186216, now seen corresponding path program 1 times [2020-10-26 23:55:25,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:55:25,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206340943] [2020-10-26 23:55:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:55:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:26,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:26,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:26,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:26,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1104 [2020-10-26 23:55:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 23:55:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-26 23:55:31,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 476 [2020-10-26 23:55:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 23:55:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:55:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:55:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:31,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-26 23:55:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-26 23:55:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-10-26 23:55:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-26 23:55:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2020-10-26 23:55:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-26 23:55:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2020-10-26 23:55:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:31,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:31,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-26 23:55:31,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:31,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-26 23:55:31,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-26 23:55:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:31,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2020-10-26 23:55:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:31,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-26 23:55:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2020-10-26 23:55:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:32,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 667 proven. 387 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2020-10-26 23:55:32,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206340943] [2020-10-26 23:55:32,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:55:32,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:55:32,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42894689] [2020-10-26 23:55:32,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:55:32,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:55:32,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:55:32,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:55:32,957 INFO L87 Difference]: Start difference. First operand 15067 states and 16218 transitions. Second operand 7 states. [2020-10-26 23:55:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:55:37,441 INFO L93 Difference]: Finished difference Result 30122 states and 32512 transitions. [2020-10-26 23:55:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 23:55:37,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1080 [2020-10-26 23:55:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:55:37,488 INFO L225 Difference]: With dead ends: 30122 [2020-10-26 23:55:37,488 INFO L226 Difference]: Without dead ends: 15741 [2020-10-26 23:55:37,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 23:55:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15741 states. [2020-10-26 23:55:37,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15741 to 15741. [2020-10-26 23:55:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15741 states. [2020-10-26 23:55:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15741 states to 15741 states and 16698 transitions. [2020-10-26 23:55:37,821 INFO L78 Accepts]: Start accepts. Automaton has 15741 states and 16698 transitions. Word has length 1080 [2020-10-26 23:55:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:55:37,822 INFO L481 AbstractCegarLoop]: Abstraction has 15741 states and 16698 transitions. [2020-10-26 23:55:37,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:55:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 15741 states and 16698 transitions. [2020-10-26 23:55:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2020-10-26 23:55:37,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:55:37,854 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:55:37,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 23:55:37,854 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:55:37,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:55:37,855 INFO L82 PathProgramCache]: Analyzing trace with hash 944771740, now seen corresponding path program 1 times [2020-10-26 23:55:37,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:55:37,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112961847] [2020-10-26 23:55:37,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:55:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:43,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1128 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 637 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-26 23:55:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:55:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:43,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:43,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:55:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:43,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:43,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:43,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:43,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:43,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:55:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:43,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:43,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-10-26 23:55:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:43,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:43,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-26 23:55:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-10-26 23:55:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:43,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:44,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-26 23:55:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-26 23:55:44,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:55:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 23:55:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2020-10-26 23:55:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:44,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:44,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-26 23:55:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:44,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2020-10-26 23:55:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:44,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:44,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:44,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 23:55:44,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-26 23:55:44,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 23:55:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:44,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2532 backedges. 754 proven. 266 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-26 23:55:45,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112961847] [2020-10-26 23:55:45,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:55:45,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 23:55:45,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310671969] [2020-10-26 23:55:45,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 23:55:45,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:55:45,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 23:55:45,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 23:55:45,306 INFO L87 Difference]: Start difference. First operand 15741 states and 16698 transitions. Second operand 7 states. [2020-10-26 23:55:51,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:55:51,165 INFO L93 Difference]: Finished difference Result 34188 states and 36499 transitions. [2020-10-26 23:55:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 23:55:51,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1106 [2020-10-26 23:55:51,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:55:51,221 INFO L225 Difference]: With dead ends: 34188 [2020-10-26 23:55:51,221 INFO L226 Difference]: Without dead ends: 18794 [2020-10-26 23:55:51,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 23:55:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2020-10-26 23:55:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18455. [2020-10-26 23:55:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18455 states. [2020-10-26 23:55:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18455 states to 18455 states and 19596 transitions. [2020-10-26 23:55:51,886 INFO L78 Accepts]: Start accepts. Automaton has 18455 states and 19596 transitions. Word has length 1106 [2020-10-26 23:55:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:55:51,888 INFO L481 AbstractCegarLoop]: Abstraction has 18455 states and 19596 transitions. [2020-10-26 23:55:51,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 23:55:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 18455 states and 19596 transitions. [2020-10-26 23:55:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2020-10-26 23:55:51,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:55:51,925 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:55:51,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 23:55:51,927 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:55:51,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:55:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash 675559422, now seen corresponding path program 1 times [2020-10-26 23:55:51,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:55:51,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156317182] [2020-10-26 23:55:51,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:55:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:52,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:52,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:52,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1151 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 726 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 23:55:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:55:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:55:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:55:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-26 23:55:57,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:55:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-26 23:55:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-26 23:55:57,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:57,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-10-26 23:55:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2020-10-26 23:55:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:55:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:55:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 23:55:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2020-10-26 23:55:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:57,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:58,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:58,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-26 23:55:58,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-26 23:55:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2020-10-26 23:55:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:58,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:55:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-26 23:55:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-26 23:55:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:58,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2020-10-26 23:55:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:55:58,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:55:58,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:55:58,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 23:55:58,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:55:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-26 23:55:58,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:55:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:55:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 23:55:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:55:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:55:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3227 backedges. 822 proven. 134 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2020-10-26 23:55:59,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156317182] [2020-10-26 23:55:59,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:55:59,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 23:55:59,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823765239] [2020-10-26 23:55:59,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 23:55:59,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:55:59,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 23:55:59,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 23:55:59,128 INFO L87 Difference]: Start difference. First operand 18455 states and 19596 transitions. Second operand 8 states. [2020-10-26 23:56:05,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:56:05,595 INFO L93 Difference]: Finished difference Result 37580 states and 40002 transitions. [2020-10-26 23:56:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-26 23:56:05,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1125 [2020-10-26 23:56:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:56:05,645 INFO L225 Difference]: With dead ends: 37580 [2020-10-26 23:56:05,645 INFO L226 Difference]: Without dead ends: 19811 [2020-10-26 23:56:05,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-26 23:56:05,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19811 states. [2020-10-26 23:56:06,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19811 to 19805. [2020-10-26 23:56:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19805 states. [2020-10-26 23:56:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19805 states to 19805 states and 20965 transitions. [2020-10-26 23:56:06,066 INFO L78 Accepts]: Start accepts. Automaton has 19805 states and 20965 transitions. Word has length 1125 [2020-10-26 23:56:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:56:06,067 INFO L481 AbstractCegarLoop]: Abstraction has 19805 states and 20965 transitions. [2020-10-26 23:56:06,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 23:56:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 19805 states and 20965 transitions. [2020-10-26 23:56:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2020-10-26 23:56:06,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 23:56:06,094 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 23:56:06,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-26 23:56:06,095 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 23:56:06,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 23:56:06,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1205685064, now seen corresponding path program 1 times [2020-10-26 23:56:06,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 23:56:06,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114432828] [2020-10-26 23:56:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 23:56:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:06,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:08,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1146 [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4049 [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 23:56:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 938 [2020-10-26 23:56:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-26 23:56:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 23:56:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:10,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:10,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 23:56:10,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:56:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:10,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 23:56:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:10,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:10,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-26 23:56:10,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:56:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 23:56:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:10,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:10,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:10,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-26 23:56:10,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-26 23:56:10,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:56:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:56:10,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-10-26 23:56:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:10,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-26 23:56:11,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:11,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-26 23:56:11,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:56:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:56:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-10-26 23:56:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:11,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-26 23:56:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 23:56:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:11,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2020-10-26 23:56:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:11,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:11,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:11,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 23:56:11,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-26 23:56:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2020-10-26 23:56:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 23:56:11,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:11,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 23:56:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 23:56:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 23:56:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 23:56:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-26 23:56:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 23:56:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 23:56:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 23:56:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-26 23:56:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 23:56:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 979 proven. 58 refuted. 0 times theorem prover too weak. 1565 trivial. 0 not checked. [2020-10-26 23:56:12,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114432828] [2020-10-26 23:56:12,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 23:56:12,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 23:56:12,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750044324] [2020-10-26 23:56:12,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 23:56:12,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 23:56:12,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 23:56:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 23:56:12,377 INFO L87 Difference]: Start difference. First operand 19805 states and 20965 transitions. Second operand 6 states. [2020-10-26 23:56:15,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 23:56:15,827 INFO L93 Difference]: Finished difference Result 39009 states and 41493 transitions. [2020-10-26 23:56:15,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 23:56:15,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1124 [2020-10-26 23:56:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 23:56:15,830 INFO L225 Difference]: With dead ends: 39009 [2020-10-26 23:56:15,830 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 23:56:15,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 23:56:15,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 23:56:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 23:56:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 23:56:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 23:56:15,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1124 [2020-10-26 23:56:15,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 23:56:15,873 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 23:56:15,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 23:56:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 23:56:15,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 23:56:15,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-26 23:56:15,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 23:56:18,751 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 281 [2020-10-26 23:56:19,908 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 281 [2020-10-26 23:56:20,069 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2020-10-26 23:56:21,199 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 288 DAG size of output: 47 [2020-10-26 23:56:22,240 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 288 DAG size of output: 47 [2020-10-26 23:56:22,823 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 33 [2020-10-26 23:56:24,451 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 286 DAG size of output: 42 [2020-10-26 23:56:25,483 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 288 DAG size of output: 47 [2020-10-26 23:56:27,157 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 286 DAG size of output: 42 [2020-10-26 23:56:27,161 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-26 23:56:27,162 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-26 23:56:27,162 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-26 23:56:27,162 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-26 23:56:27,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a18~0 |old(~a18~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1496 1767) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,163 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1729(lines 1729 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1754(lines 1754 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1523(lines 1523 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1647(lines 1647 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,164 INFO L274 CegarLoopResult]: For program point L1548(lines 1548 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1499(lines 1499 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1689(lines 1689 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1640(lines 1640 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1665(lines 1665 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1723(lines 1723 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1624(lines 1624 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1748(lines 1748 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,165 INFO L274 CegarLoopResult]: For program point L1517(lines 1517 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1575(lines 1575 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1658(lines 1658 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1741(lines 1741 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1496 1767) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|))) (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse5 (not (<= 4 |old(~a15~0)|))) (.cse6 (and (= ~a15~0 3) .cse0 .cse1 .cse2)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse4 (= 8 |old(~a12~0)|)) (.cse8 (not (= 8 |old(~a16~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 (not (<= 299984 |old(~a18~0)|))) (or .cse6 .cse7 (and (not (< 8 |old(~a16~0)|)) (not (<= |old(~a16~0)| 7)))) (or (not .cse4) (and .cse0 (= ~a12~0 8) .cse1 .cse3) (not (<= |old(~a18~0)| 132)) .cse5) (or .cse6 .cse7 .cse4 .cse8)))) [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1593(lines 1593 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,166 INFO L274 CegarLoopResult]: For program point L1717(lines 1717 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1684(lines 1684 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1618(lines 1618 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1701(lines 1701 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1635(lines 1635 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1536(lines 1536 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1677(lines 1677 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1496 1767) no Hoare annotation was computed. [2020-10-26 23:56:27,167 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1512(lines 1512 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1735(lines 1735 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1529(lines 1529 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1653(lines 1653 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1587(lines 1587 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1765) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 23:56:27,168 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L1424(lines 1424 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L896(lines 896 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L830(lines 830 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L698(lines 698 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L963(lines 963 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,169 INFO L274 CegarLoopResult]: For program point L765(lines 765 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L633(lines 633 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L369(lines 369 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L237(lines 237 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 23:56:27,170 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L270 CegarLoopResult]: At program point L1493(line 1493) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|))) (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse5 (not (<= 4 |old(~a15~0)|))) (.cse6 (and (= ~a15~0 3) .cse0 .cse1 .cse2)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse4 (= 8 |old(~a12~0)|)) (.cse8 (not (= 8 |old(~a16~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 (not (<= 299984 |old(~a18~0)|))) (or .cse6 .cse7 (and (not (< 8 |old(~a16~0)|)) (not (<= |old(~a16~0)| 7)))) (or (not .cse4) (and .cse0 (= ~a12~0 8) .cse1 .cse3) (not (<= |old(~a18~0)| 132)) .cse5) (or .cse6 .cse7 .cse4 .cse8)))) [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L436(lines 436 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L1493-1(line 1493) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L569(lines 569 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L503(lines 503 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L305(lines 305 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,171 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (let ((.cse3 (not (<= 4 |old(~a15~0)|))) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse2 (= 8 |old(~a12~0)|)) (.cse1 (not (= 8 |old(~a16~0)|)))) (and (or .cse0 .cse1 (not (<= 299984 |old(~a18~0)|))) (or .cse2 .cse3) (or (not (<= |old(~a18~0)| 132)) .cse3) (or .cse0 (and (not (< 8 |old(~a16~0)|)) (not (<= |old(~a16~0)| 7)))) (or .cse0 .cse2 .cse1))) [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L901(lines 901 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L836(lines 836 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L638(lines 638 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,172 INFO L274 CegarLoopResult]: For program point L242(lines 242 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L969(lines 969 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L771(lines 771 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L705(lines 705 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L375(lines 375 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L1168(lines 1168 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L442(lines 442 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L575(lines 575 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,173 INFO L274 CegarLoopResult]: For program point L311(lines 311 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L1038(lines 1038 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L708(lines 708 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L510(lines 510 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,174 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L907(lines 907 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L643(lines 643 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L445(lines 445 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L1436(lines 1436 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L842(lines 842 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L248(lines 248 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,175 INFO L274 CegarLoopResult]: For program point L777(lines 777 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L1372(lines 1372 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L580(lines 580 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L382(lines 382 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L317(lines 317 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,176 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L780(lines 780 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L714(lines 714 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L1111(lines 1111 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,177 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L517(lines 517 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L451(lines 451 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L914(lines 914 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L848(lines 848 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L650(lines 650 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L1377(lines 1377 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L1311(lines 1311 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L254(lines 254 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,178 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L981(lines 981 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L586(lines 586 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L388(lines 388 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L719(lines 719 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L323(lines 323 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L1116(lines 1116 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,179 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L1050(lines 1050 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L786(lines 786 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1494) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|))) (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse5 (not (<= 4 |old(~a15~0)|))) (.cse6 (and (= ~a15~0 3) .cse0 .cse1 .cse2)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse4 (= 8 |old(~a12~0)|)) (.cse8 (not (= 8 |old(~a16~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 (not (<= 299984 |old(~a18~0)|))) (or .cse6 .cse7 (and (not (< 8 |old(~a16~0)|)) (not (<= |old(~a16~0)| 7)))) (or (not .cse4) (and .cse0 (= ~a12~0 8) .cse1 .cse3) (not (<= |old(~a18~0)| 132)) .cse5) (or .cse6 .cse7 .cse4 .cse8)))) [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L456(lines 456 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L1249(lines 1249 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 23:56:27,180 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L919(lines 919 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L853(lines 853 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L523(lines 523 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L259(lines 259 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L657(lines 657 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,181 INFO L274 CegarLoopResult]: For program point L591(lines 591 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L459(lines 459 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L393(lines 393 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L988(lines 988 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L791(lines 791 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L725(lines 725 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,182 INFO L274 CegarLoopResult]: For program point L329(lines 329 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L924(lines 924 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L264(lines 264 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 23:56:27,183 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L859(lines 859 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L529(lines 529 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L596(lines 596 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L663(lines 663 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,184 INFO L274 CegarLoopResult]: For program point L465(lines 465 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L1258(lines 1258 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L730(lines 730 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L400(lines 400 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L1127(lines 1127 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L995(lines 995 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,185 INFO L274 CegarLoopResult]: For program point L335(lines 335 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L798(lines 798 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L666(lines 666 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L270(lines 270 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 23:56:27,186 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L931(lines 931 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L865(lines 865 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L535(lines 535 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L1394(lines 1394 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L602(lines 602 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,187 INFO L274 CegarLoopResult]: For program point L471(lines 471 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L1264(lines 1264 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L736(lines 736 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L406(lines 406 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L340(lines 340 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L1133(lines 1133 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,188 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L804(lines 804 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L672(lines 672 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L540(lines 540 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L276(lines 276 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L1069(lines 1069 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L937(lines 937 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,189 INFO L274 CegarLoopResult]: For program point L871(lines 871 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L608(lines 608 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L1269(lines 1269 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 23:56:27,190 INFO L274 CegarLoopResult]: For program point L478(lines 478 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L1139(lines 1139 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L743(lines 743 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L545(lines 545 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L413(lines 413 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L347(lines 347 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L281(lines 281 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L215(lines 215 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L810(lines 810 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,191 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L1075(lines 1075 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L877(lines 877 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L679(lines 679 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L944(lines 944 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L614(lines 614 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,192 INFO L274 CegarLoopResult]: For program point L1474(lines 1474 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L748(lines 748 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L682(lines 682 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L550(lines 550 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L352(lines 352 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L220(lines 220 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,193 INFO L274 CegarLoopResult]: For program point L485(lines 485 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L419(lines 419 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L287(lines 287 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L1411(lines 1411 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L1081(lines 1081 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L817(lines 817 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,194 INFO L274 CegarLoopResult]: For program point L950(lines 950 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L884(lines 884 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L620(lines 620 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L1479(lines 1479 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L225(lines 225 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L1216(lines 1216 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,195 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 23:56:27,196 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 23:56:27,196 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 23:56:27,196 INFO L274 CegarLoopResult]: For program point L754(lines 754 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,198 INFO L274 CegarLoopResult]: For program point L688(lines 688 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,198 INFO L274 CegarLoopResult]: For program point L556(lines 556 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,198 INFO L274 CegarLoopResult]: For program point L358(lines 358 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,198 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,198 INFO L274 CegarLoopResult]: For program point L292(lines 292 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L491(lines 491 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L1020(lines 1020 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L426(lines 426 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L1417(lines 1417 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 23:56:27,199 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L956(lines 956 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L890(lines 890 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L824(lines 824 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L626(lines 626 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L693(lines 693 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L429(lines 429 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,200 INFO L274 CegarLoopResult]: For program point L363(lines 363 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L1288(lines 1288 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L231(lines 231 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L760(lines 760 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L562(lines 562 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L1355(lines 1355 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L497(lines 497 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,201 INFO L274 CegarLoopResult]: For program point L299(lines 299 1492) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1494) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 3) (= (+ ~a18~0 87) 0) (= ~a16~0 11) (= 5 ~a12~0)) [2020-10-26 23:56:27,202 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 23:56:27,202 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1769 1785) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 3 |old(~a15~0)|)) (not (<= |old(~a12~0)| 5)) (not (<= 5 |old(~a12~0)|))) [2020-10-26 23:56:27,202 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1769 1785) no Hoare annotation was computed. [2020-10-26 23:56:27,203 INFO L270 CegarLoopResult]: At program point L1783(line 1783) the Hoare annotation is: (let ((.cse1 (<= 4 ~a15~0)) (.cse0 (= ~a15~0 3)) (.cse2 (not (= ~a12~0 8)))) (or (and .cse0 (<= 299984 ~a18~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 5 |old(~a12~0)|)) (not (= 3 |old(~a15~0)|)) (and .cse0 (or (< 8 ~a16~0) (<= ~a16~0 7))) (and .cse1 .cse2) (and .cse1 (<= ~a18~0 132)) (and .cse0 .cse2))) [2020-10-26 23:56:27,203 INFO L274 CegarLoopResult]: For program point L1783-1(line 1783) no Hoare annotation was computed. [2020-10-26 23:56:27,203 INFO L274 CegarLoopResult]: For program point L1780(line 1780) no Hoare annotation was computed. [2020-10-26 23:56:27,203 INFO L270 CegarLoopResult]: At program point L1775-2(lines 1775 1784) the Hoare annotation is: (let ((.cse1 (<= 4 ~a15~0)) (.cse0 (= ~a15~0 3)) (.cse2 (not (= ~a12~0 8)))) (or (and .cse0 (<= 299984 ~a18~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 5 |old(~a12~0)|)) (not (= 3 |old(~a15~0)|)) (and .cse0 (or (< 8 ~a16~0) (<= ~a16~0 7))) (and .cse1 .cse2) (and .cse1 (<= ~a18~0 132)) (and .cse0 .cse2))) [2020-10-26 23:56:27,203 INFO L274 CegarLoopResult]: For program point L1775-3(lines 1769 1785) no Hoare annotation was computed. [2020-10-26 23:56:27,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:56:27 BoogieIcfgContainer [2020-10-26 23:56:27,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 23:56:27,251 INFO L168 Benchmark]: Toolchain (without parser) took 198105.36 ms. Allocated memory was 125.8 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 96.6 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2020-10-26 23:56:27,254 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 23:56:27,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.14 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 95.9 MB in the beginning and 97.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. [2020-10-26 23:56:27,259 INFO L168 Benchmark]: Boogie Preprocessor took 253.72 ms. Allocated memory is still 155.2 MB. Free memory was 97.5 MB in the beginning and 127.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. [2020-10-26 23:56:27,260 INFO L168 Benchmark]: RCFGBuilder took 2749.51 ms. Allocated memory was 155.2 MB in the beginning and 200.3 MB in the end (delta: 45.1 MB). Free memory was 127.1 MB in the beginning and 116.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 8.0 GB. [2020-10-26 23:56:27,262 INFO L168 Benchmark]: TraceAbstraction took 193879.96 ms. Allocated memory was 200.3 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 115.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2020-10-26 23:56:27,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1207.14 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 95.9 MB in the beginning and 97.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 253.72 ms. Allocated memory is still 155.2 MB. Free memory was 97.5 MB in the beginning and 127.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2749.51 ms. Allocated memory was 155.2 MB in the beginning and 200.3 MB in the end (delta: 45.1 MB). Free memory was 127.1 MB in the beginning and 116.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 193879.96 ms. Allocated memory was 200.3 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 115.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: ((((((((a15 == 3 && 299984 <= a18) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(5 == \old(a12))) || !(3 == \old(a15))) || (a15 == 3 && (8 < a16 || a16 <= 7))) || (4 <= a15 && !(a12 == 8))) || (4 <= a15 && a18 <= 132)) || (a15 == 3 && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 413 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 182.4s, OverallIterations: 17, TraceHistogramMax: 9, AutomataDifference: 82.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 730 SDtfs, 21087 SDslu, 935 SDs, 0 SdLazy, 37531 SolverSat, 6028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19805occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 1816 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1892 PreInvPairs, 2153 NumberOfFragments, 671 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 1307501 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 11 FomulaSimplificationsInter, 163393 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 86.5s InterpolantComputationTime, 11401 NumberOfCodeBlocks, 11401 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 11384 ConstructedInterpolants, 0 QuantifiedInterpolants, 22900388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 17954/20619 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...