/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:25:41,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:25:41,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:25:41,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:25:41,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:25:41,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:25:41,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:25:41,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:25:41,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:25:41,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:25:41,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:25:41,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:25:41,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:25:41,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:25:41,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:25:42,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:25:42,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:25:42,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:25:42,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:25:42,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:25:42,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:25:42,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:25:42,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:25:42,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:25:42,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:25:42,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:25:42,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:25:42,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:25:42,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:25:42,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:25:42,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:25:42,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:25:42,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:25:42,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:25:42,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:25:42,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:25:42,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:25:42,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:25:42,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:25:42,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:25:42,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:25:42,030 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 [2020-10-29 07:25:42,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:25:42,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:25:42,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:25:42,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:25:42,063 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:25:42,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:25:42,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:25:42,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:25:42,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:25:42,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:25:42,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:25:42,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:25:42,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:25:42,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:25:42,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:25:42,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:25:42,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:25:42,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:25:42,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:25:42,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:25:42,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:25:42,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:25:42,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:25:42,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:25:42,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:25:42,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:25:42,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:25:42,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:25:42,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:25:42,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:25:42,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:25:42,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:25:42,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:25:42,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:25:42,525 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:25:42,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-10-29 07:25:42,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8244c74ab/ef8fe1e99bd845b3b04023e5f9e03e1d/FLAGf1f0a7056 [2020-10-29 07:25:43,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:25:43,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-10-29 07:25:43,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8244c74ab/ef8fe1e99bd845b3b04023e5f9e03e1d/FLAGf1f0a7056 [2020-10-29 07:25:43,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8244c74ab/ef8fe1e99bd845b3b04023e5f9e03e1d [2020-10-29 07:25:43,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:25:43,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:25:43,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:25:43,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:25:43,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:25:43,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:25:43" (1/1) ... [2020-10-29 07:25:43,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302bbb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:43, skipping insertion in model container [2020-10-29 07:25:43,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:25:43" (1/1) ... [2020-10-29 07:25:43,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:25:43,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:25:44,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:25:44,285 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:25:44,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:25:44,514 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:25:44,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44 WrapperNode [2020-10-29 07:25:44,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:25:44,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:25:44,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:25:44,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:25:44,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (1/1) ... [2020-10-29 07:25:44,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:25:44,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:25:44,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:25:44,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:25:44,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (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 [2020-10-29 07:25:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:25:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:25:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:25:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:25:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:25:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:25:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:25:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:25:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:25:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:25:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:25:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:25:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:25:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:25:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:25:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:25:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:25:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:25:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:25:46,386 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:25:46,387 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:25:46,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:25:46 BoogieIcfgContainer [2020-10-29 07:25:46,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:25:46,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:25:46,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:25:46,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:25:46,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:25:43" (1/3) ... [2020-10-29 07:25:46,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ab5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:25:46, skipping insertion in model container [2020-10-29 07:25:46,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:25:44" (2/3) ... [2020-10-29 07:25:46,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ab5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:25:46, skipping insertion in model container [2020-10-29 07:25:46,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:25:46" (3/3) ... [2020-10-29 07:25:46,401 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-10-29 07:25:46,415 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:25:46,421 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:25:46,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:25:46,472 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:25:46,473 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:25:46,473 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:25:46,473 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:25:46,473 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:25:46,473 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:25:46,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:25:46,474 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:25:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:25:46,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 07:25:46,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:25:46,534 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] [2020-10-29 07:25:46,535 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:25:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:25:46,543 INFO L82 PathProgramCache]: Analyzing trace with hash 767270766, now seen corresponding path program 1 times [2020-10-29 07:25:46,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:25:46,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564274322] [2020-10-29 07:25:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:25:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:47,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:47,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 07:25:47,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-29 07:25:47,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:47,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:25:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:25:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 07:25:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 07:25:47,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:25:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:47,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:47,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:25:47,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:25:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:47,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:25:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:25:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:25:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:25:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:25:47,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564274322] [2020-10-29 07:25:47,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:25:47,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:25:47,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511512476] [2020-10-29 07:25:47,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:25:47,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:25:47,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:25:47,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:25:47,585 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:25:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:25:49,846 INFO L93 Difference]: Finished difference Result 703 states and 1247 transitions. [2020-10-29 07:25:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:25:49,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-29 07:25:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:25:49,865 INFO L225 Difference]: With dead ends: 703 [2020-10-29 07:25:49,865 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:25:49,876 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 [2020-10-29 07:25:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:25:49,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2020-10-29 07:25:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-29 07:25:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 605 transitions. [2020-10-29 07:25:49,972 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 605 transitions. Word has length 61 [2020-10-29 07:25:49,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:25:49,972 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 605 transitions. [2020-10-29 07:25:49,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:25:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 605 transitions. [2020-10-29 07:25:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-29 07:25:49,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:25:49,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:25:49,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:25:49,981 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:25:49,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:25:49,981 INFO L82 PathProgramCache]: Analyzing trace with hash 266371137, now seen corresponding path program 1 times [2020-10-29 07:25:49,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:25:49,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894076515] [2020-10-29 07:25:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:25:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:50,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:50,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:51,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:51,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 07:25:51,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:25:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1625 [2020-10-29 07:25:51,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:51,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:25:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:25:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 07:25:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:25:51,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:25:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:51,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:51,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:51,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:25:51,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 07:25:51,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:51,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:25:51,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:25:51,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:25:51,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:25:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:25:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:51,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:51,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:51,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:25:51,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 07:25:51,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:51,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:25:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:25:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:25:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:25:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:25:51,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894076515] [2020-10-29 07:25:51,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:25:51,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:25:51,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86546397] [2020-10-29 07:25:51,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:25:51,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:25:51,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:25:51,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:25:51,969 INFO L87 Difference]: Start difference. First operand 375 states and 605 transitions. Second operand 5 states. [2020-10-29 07:25:54,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:25:54,387 INFO L93 Difference]: Finished difference Result 1118 states and 1827 transitions. [2020-10-29 07:25:54,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:25:54,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-29 07:25:54,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:25:54,396 INFO L225 Difference]: With dead ends: 1118 [2020-10-29 07:25:54,396 INFO L226 Difference]: Without dead ends: 749 [2020-10-29 07:25:54,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:25:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-29 07:25:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 561. [2020-10-29 07:25:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-29 07:25:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 844 transitions. [2020-10-29 07:25:54,491 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 844 transitions. Word has length 130 [2020-10-29 07:25:54,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:25:54,492 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 844 transitions. [2020-10-29 07:25:54,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:25:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 844 transitions. [2020-10-29 07:25:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 07:25:54,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:25:54,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:25:54,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:25:54,497 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:25:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:25:54,498 INFO L82 PathProgramCache]: Analyzing trace with hash 2083977595, now seen corresponding path program 1 times [2020-10-29 07:25:54,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:25:54,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021304725] [2020-10-29 07:25:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:25:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:55,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:25:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:25:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 07:25:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:25:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:25:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:55,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:55,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:55,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:25:55,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:25:55,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:25:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:25:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:25:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:25:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:25:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 07:25:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:25:55,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:25:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:25:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:25:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 07:25:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:25:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:25:56,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021304725] [2020-10-29 07:25:56,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:25:56,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 07:25:56,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100755352] [2020-10-29 07:25:56,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:25:56,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:25:56,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:25:56,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:25:56,078 INFO L87 Difference]: Start difference. First operand 561 states and 844 transitions. Second operand 7 states. [2020-10-29 07:25:59,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:25:59,115 INFO L93 Difference]: Finished difference Result 1548 states and 2431 transitions. [2020-10-29 07:25:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:25:59,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-29 07:25:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:25:59,128 INFO L225 Difference]: With dead ends: 1548 [2020-10-29 07:25:59,128 INFO L226 Difference]: Without dead ends: 993 [2020-10-29 07:25:59,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:25:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-29 07:25:59,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 935. [2020-10-29 07:25:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-10-29 07:25:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1315 transitions. [2020-10-29 07:25:59,195 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1315 transitions. Word has length 141 [2020-10-29 07:25:59,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:25:59,196 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1315 transitions. [2020-10-29 07:25:59,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:25:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1315 transitions. [2020-10-29 07:25:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-29 07:25:59,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:25:59,202 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, 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] [2020-10-29 07:25:59,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:25:59,202 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:25:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:25:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1979033322, now seen corresponding path program 1 times [2020-10-29 07:25:59,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:25:59,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602550582] [2020-10-29 07:25:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:25:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:25:59,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:59,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:59,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:25:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:04,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-29 07:26:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:26:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-29 07:26:04,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:04,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:26:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 07:26:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:04,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:04,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:04,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:04,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:04,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:26:04,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 07:26:04,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:04,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:26:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:04,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 07:26:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:04,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:26:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 07:26:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:26:04,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602550582] [2020-10-29 07:26:04,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:04,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:04,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137003495] [2020-10-29 07:26:04,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:04,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:04,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:04,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:04,795 INFO L87 Difference]: Start difference. First operand 935 states and 1315 transitions. Second operand 7 states. [2020-10-29 07:26:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:07,583 INFO L93 Difference]: Finished difference Result 2112 states and 3068 transitions. [2020-10-29 07:26:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:26:07,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-29 07:26:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:07,595 INFO L225 Difference]: With dead ends: 2112 [2020-10-29 07:26:07,595 INFO L226 Difference]: Without dead ends: 1183 [2020-10-29 07:26:07,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:26:07,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-10-29 07:26:07,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1129. [2020-10-29 07:26:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-10-29 07:26:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1566 transitions. [2020-10-29 07:26:07,657 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1566 transitions. Word has length 213 [2020-10-29 07:26:07,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:07,657 INFO L481 AbstractCegarLoop]: Abstraction has 1129 states and 1566 transitions. [2020-10-29 07:26:07,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1566 transitions. [2020-10-29 07:26:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-29 07:26:07,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:07,662 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, 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] [2020-10-29 07:26:07,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:26:07,662 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:07,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:07,663 INFO L82 PathProgramCache]: Analyzing trace with hash -957315478, now seen corresponding path program 1 times [2020-10-29 07:26:07,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:07,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476673105] [2020-10-29 07:26:07,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:07,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:07,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:12,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4521 [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:26:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 07:26:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:12,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:26:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 07:26:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:12,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:26:12,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:26:12,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:12,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:26:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:26:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 07:26:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:26:12,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 07:26:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:26:12,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476673105] [2020-10-29 07:26:12,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:12,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:12,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424630377] [2020-10-29 07:26:12,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:12,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:12,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:12,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:12,708 INFO L87 Difference]: Start difference. First operand 1129 states and 1566 transitions. Second operand 7 states. [2020-10-29 07:26:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:15,541 INFO L93 Difference]: Finished difference Result 2646 states and 3727 transitions. [2020-10-29 07:26:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:26:15,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-10-29 07:26:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:15,550 INFO L225 Difference]: With dead ends: 2646 [2020-10-29 07:26:15,550 INFO L226 Difference]: Without dead ends: 1337 [2020-10-29 07:26:15,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:26:15,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-10-29 07:26:15,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1317. [2020-10-29 07:26:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-29 07:26:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1493 transitions. [2020-10-29 07:26:15,604 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1493 transitions. Word has length 224 [2020-10-29 07:26:15,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:15,604 INFO L481 AbstractCegarLoop]: Abstraction has 1317 states and 1493 transitions. [2020-10-29 07:26:15,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:15,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1493 transitions. [2020-10-29 07:26:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-29 07:26:15,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:15,610 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, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:26:15,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:26:15,611 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:15,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:15,611 INFO L82 PathProgramCache]: Analyzing trace with hash -756066454, now seen corresponding path program 1 times [2020-10-29 07:26:15,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:15,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442674789] [2020-10-29 07:26:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:16,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:20,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:20,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-29 07:26:20,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:26:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-29 07:26:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:20,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:20,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:20,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:20,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:26:20,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:20,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:20,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:26:20,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:20,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:21,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:21,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:26:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 07:26:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:21,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:21,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:21,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:26:21,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:21,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 07:26:21,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:21,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:26:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 106 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 07:26:21,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442674789] [2020-10-29 07:26:21,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:21,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:21,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343211577] [2020-10-29 07:26:21,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:21,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:21,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:21,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:21,674 INFO L87 Difference]: Start difference. First operand 1317 states and 1493 transitions. Second operand 7 states. [2020-10-29 07:26:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:23,491 INFO L93 Difference]: Finished difference Result 2844 states and 3240 transitions. [2020-10-29 07:26:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:26:23,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2020-10-29 07:26:23,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:23,500 INFO L225 Difference]: With dead ends: 2844 [2020-10-29 07:26:23,500 INFO L226 Difference]: Without dead ends: 1533 [2020-10-29 07:26:23,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:26:23,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-10-29 07:26:23,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1503. [2020-10-29 07:26:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2020-10-29 07:26:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1689 transitions. [2020-10-29 07:26:23,554 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1689 transitions. Word has length 320 [2020-10-29 07:26:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:23,555 INFO L481 AbstractCegarLoop]: Abstraction has 1503 states and 1689 transitions. [2020-10-29 07:26:23,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1689 transitions. [2020-10-29 07:26:23,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-10-29 07:26:23,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:23,564 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:26:23,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:26:23,565 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:23,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:23,566 INFO L82 PathProgramCache]: Analyzing trace with hash -486767513, now seen corresponding path program 1 times [2020-10-29 07:26:23,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:23,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72610714] [2020-10-29 07:26:23,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:23,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:28,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:28,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 445 [2020-10-29 07:26:28,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:26:28,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:26:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:28,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:28,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:28,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:28,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 07:26:28,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:28,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:28,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:28,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:28,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:28,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:26:28,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 07:26:28,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:28,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:26:28,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:26:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:29,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:29,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:26:29,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-29 07:26:29,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:29,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:26:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:29,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-29 07:26:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:29,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:29,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:26:29,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 07:26:29,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:29,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:26:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 269 proven. 79 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-29 07:26:29,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72610714] [2020-10-29 07:26:29,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:29,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:29,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593401819] [2020-10-29 07:26:29,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:29,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:29,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:29,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:29,962 INFO L87 Difference]: Start difference. First operand 1503 states and 1689 transitions. Second operand 7 states. [2020-10-29 07:26:31,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:31,755 INFO L93 Difference]: Finished difference Result 3750 states and 4320 transitions. [2020-10-29 07:26:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:26:31,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 429 [2020-10-29 07:26:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:31,769 INFO L225 Difference]: With dead ends: 3750 [2020-10-29 07:26:31,769 INFO L226 Difference]: Without dead ends: 2251 [2020-10-29 07:26:31,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:26:31,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2020-10-29 07:26:31,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2063. [2020-10-29 07:26:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2063 states. [2020-10-29 07:26:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2294 transitions. [2020-10-29 07:26:31,846 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2294 transitions. Word has length 429 [2020-10-29 07:26:31,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:31,847 INFO L481 AbstractCegarLoop]: Abstraction has 2063 states and 2294 transitions. [2020-10-29 07:26:31,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2294 transitions. [2020-10-29 07:26:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2020-10-29 07:26:31,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:31,865 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, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:26:31,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 07:26:31,865 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:31,866 INFO L82 PathProgramCache]: Analyzing trace with hash -773179456, now seen corresponding path program 1 times [2020-10-29 07:26:31,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:31,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309844114] [2020-10-29 07:26:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:32,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:33,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 581 [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-29 07:26:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:26:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:37,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:37,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:37,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:37,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:37,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:37,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:26:37,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:37,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:37,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:37,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:37,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:26:37,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:26:37,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:37,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:26:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:26:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:37,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:37,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:26:37,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:37,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:26:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:37,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:26:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:37,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:37,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:37,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:37,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:37,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:26:37,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-29 07:26:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:37,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:26:37,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:26:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:37,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:26:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 462 proven. 79 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 07:26:38,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309844114] [2020-10-29 07:26:38,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:38,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:38,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003031523] [2020-10-29 07:26:38,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:38,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:38,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:38,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:38,145 INFO L87 Difference]: Start difference. First operand 2063 states and 2294 transitions. Second operand 7 states. [2020-10-29 07:26:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:40,617 INFO L93 Difference]: Finished difference Result 4690 states and 5355 transitions. [2020-10-29 07:26:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:26:40,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 563 [2020-10-29 07:26:40,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:40,633 INFO L225 Difference]: With dead ends: 4690 [2020-10-29 07:26:40,633 INFO L226 Difference]: Without dead ends: 2815 [2020-10-29 07:26:40,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:26:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2020-10-29 07:26:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2629. [2020-10-29 07:26:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2020-10-29 07:26:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 2928 transitions. [2020-10-29 07:26:40,726 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 2928 transitions. Word has length 563 [2020-10-29 07:26:40,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:40,727 INFO L481 AbstractCegarLoop]: Abstraction has 2629 states and 2928 transitions. [2020-10-29 07:26:40,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 2928 transitions. [2020-10-29 07:26:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2020-10-29 07:26:40,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:40,750 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 3, 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] [2020-10-29 07:26:40,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 07:26:40,750 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:40,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:40,751 INFO L82 PathProgramCache]: Analyzing trace with hash 930458769, now seen corresponding path program 1 times [2020-10-29 07:26:40,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:40,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637157667] [2020-10-29 07:26:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:40,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:41,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 676 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:26:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:26:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-29 07:26:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:26:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:26:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:26:46,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:26:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:26:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:26:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:26:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:26:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 07:26:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:26:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:26:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:46,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-29 07:26:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:46,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:26:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 710 proven. 158 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-29 07:26:47,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637157667] [2020-10-29 07:26:47,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:47,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:47,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684267980] [2020-10-29 07:26:47,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:47,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:47,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:47,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:47,220 INFO L87 Difference]: Start difference. First operand 2629 states and 2928 transitions. Second operand 7 states. [2020-10-29 07:26:49,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:49,369 INFO L93 Difference]: Finished difference Result 6374 states and 7269 transitions. [2020-10-29 07:26:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:26:49,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 656 [2020-10-29 07:26:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:49,398 INFO L225 Difference]: With dead ends: 6374 [2020-10-29 07:26:49,398 INFO L226 Difference]: Without dead ends: 4117 [2020-10-29 07:26:49,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:26:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4117 states. [2020-10-29 07:26:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4117 to 4113. [2020-10-29 07:26:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4113 states. [2020-10-29 07:26:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 4576 transitions. [2020-10-29 07:26:49,535 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 4576 transitions. Word has length 656 [2020-10-29 07:26:49,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:49,537 INFO L481 AbstractCegarLoop]: Abstraction has 4113 states and 4576 transitions. [2020-10-29 07:26:49,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4576 transitions. [2020-10-29 07:26:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2020-10-29 07:26:49,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:49,550 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:26:49,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 07:26:49,550 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:49,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:49,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2098373175, now seen corresponding path program 1 times [2020-10-29 07:26:49,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:49,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333940251] [2020-10-29 07:26:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:50,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:51,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:54,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:54,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 760 [2020-10-29 07:26:54,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 434 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:26:54,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:26:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:54,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:26:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:54,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:54,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:26:54,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:26:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:54,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:54,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:26:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:54,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:26:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:55,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:26:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:26:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-29 07:26:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:55,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-29 07:26:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:55,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:55,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:26:55,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:55,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-29 07:26:55,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:55,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:26:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:26:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:26:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-29 07:26:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:55,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:26:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:26:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:26:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:26:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 698 proven. 79 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-10-29 07:26:55,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333940251] [2020-10-29 07:26:55,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:26:55,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:26:55,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007985711] [2020-10-29 07:26:55,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:26:55,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:26:55,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:26:55,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:26:55,849 INFO L87 Difference]: Start difference. First operand 4113 states and 4576 transitions. Second operand 7 states. [2020-10-29 07:26:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:26:58,135 INFO L93 Difference]: Finished difference Result 9506 states and 10760 transitions. [2020-10-29 07:26:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:26:58,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 740 [2020-10-29 07:26:58,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:26:58,164 INFO L225 Difference]: With dead ends: 9506 [2020-10-29 07:26:58,164 INFO L226 Difference]: Without dead ends: 5765 [2020-10-29 07:26:58,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:26:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2020-10-29 07:26:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 5215. [2020-10-29 07:26:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5215 states. [2020-10-29 07:26:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5215 states to 5215 states and 5920 transitions. [2020-10-29 07:26:58,344 INFO L78 Accepts]: Start accepts. Automaton has 5215 states and 5920 transitions. Word has length 740 [2020-10-29 07:26:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:26:58,345 INFO L481 AbstractCegarLoop]: Abstraction has 5215 states and 5920 transitions. [2020-10-29 07:26:58,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:26:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5215 states and 5920 transitions. [2020-10-29 07:26:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2020-10-29 07:26:58,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:26:58,361 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:26:58,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 07:26:58,361 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:26:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:26:58,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1495088572, now seen corresponding path program 1 times [2020-10-29 07:26:58,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:26:58,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9406407] [2020-10-29 07:26:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:26:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:26:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:26:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:02,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 837 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5101 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:27:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:03,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:03,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:27:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:03,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:03,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:03,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:27:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:27:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:04,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:27:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:04,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:04,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:04,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-29 07:27:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:27:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 832 proven. 79 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2020-10-29 07:27:04,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9406407] [2020-10-29 07:27:04,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:04,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:04,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873261800] [2020-10-29 07:27:04,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:04,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:04,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:04,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:04,830 INFO L87 Difference]: Start difference. First operand 5215 states and 5920 transitions. Second operand 7 states. [2020-10-29 07:27:07,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:07,096 INFO L93 Difference]: Finished difference Result 10792 states and 12259 transitions. [2020-10-29 07:27:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:27:07,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 815 [2020-10-29 07:27:07,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:07,126 INFO L225 Difference]: With dead ends: 10792 [2020-10-29 07:27:07,126 INFO L226 Difference]: Without dead ends: 5949 [2020-10-29 07:27:07,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:27:07,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5949 states. [2020-10-29 07:27:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5949 to 5219. [2020-10-29 07:27:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5219 states. [2020-10-29 07:27:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 5932 transitions. [2020-10-29 07:27:07,303 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 5932 transitions. Word has length 815 [2020-10-29 07:27:07,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:07,305 INFO L481 AbstractCegarLoop]: Abstraction has 5219 states and 5932 transitions. [2020-10-29 07:27:07,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 5932 transitions. [2020-10-29 07:27:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2020-10-29 07:27:07,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:07,320 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, 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, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:27:07,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 07:27:07,321 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:07,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:07,322 INFO L82 PathProgramCache]: Analyzing trace with hash 583723172, now seen corresponding path program 1 times [2020-10-29 07:27:07,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:07,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689082897] [2020-10-29 07:27:07,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:07,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:07,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:12,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:12,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 838 [2020-10-29 07:27:12,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:12,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:12,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:12,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:27:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:27:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:27:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:12,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:12,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:27:12,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:12,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 07:27:12,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:12,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:27:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-29 07:27:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:13,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:13,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:27:13,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-29 07:27:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:13,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-29 07:27:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 584 proven. 326 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2020-10-29 07:27:13,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689082897] [2020-10-29 07:27:13,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:13,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:13,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448080821] [2020-10-29 07:27:13,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:13,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:13,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:13,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:13,813 INFO L87 Difference]: Start difference. First operand 5219 states and 5932 transitions. Second operand 7 states. [2020-10-29 07:27:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:16,151 INFO L93 Difference]: Finished difference Result 10622 states and 12108 transitions. [2020-10-29 07:27:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:27:16,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 816 [2020-10-29 07:27:16,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:16,190 INFO L225 Difference]: With dead ends: 10622 [2020-10-29 07:27:16,190 INFO L226 Difference]: Without dead ends: 5587 [2020-10-29 07:27:16,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:27:16,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2020-10-29 07:27:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 5221. [2020-10-29 07:27:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2020-10-29 07:27:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 5905 transitions. [2020-10-29 07:27:16,347 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 5905 transitions. Word has length 816 [2020-10-29 07:27:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:16,348 INFO L481 AbstractCegarLoop]: Abstraction has 5221 states and 5905 transitions. [2020-10-29 07:27:16,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 5905 transitions. [2020-10-29 07:27:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2020-10-29 07:27:16,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:16,363 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:16,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 07:27:16,364 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:16,364 INFO L82 PathProgramCache]: Analyzing trace with hash -693216233, now seen corresponding path program 1 times [2020-10-29 07:27:16,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:16,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594244374] [2020-10-29 07:27:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:16,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:17,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:17,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:18,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 915 [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:27:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 07:27:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:21,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:21,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:21,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:21,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:21,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:27:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:21,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:21,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:27:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:21,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:21,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:27:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:27:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:27:22,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 07:27:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:27:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:27:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:27:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 710 proven. 148 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2020-10-29 07:27:22,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594244374] [2020-10-29 07:27:22,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:22,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:27:22,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496874951] [2020-10-29 07:27:22,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:27:22,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:22,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:27:22,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:27:22,771 INFO L87 Difference]: Start difference. First operand 5221 states and 5905 transitions. Second operand 8 states. [2020-10-29 07:27:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:25,578 INFO L93 Difference]: Finished difference Result 11000 states and 12649 transitions. [2020-10-29 07:27:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 07:27:25,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 891 [2020-10-29 07:27:25,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:25,607 INFO L225 Difference]: With dead ends: 11000 [2020-10-29 07:27:25,607 INFO L226 Difference]: Without dead ends: 6151 [2020-10-29 07:27:25,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-29 07:27:25,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2020-10-29 07:27:25,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6149. [2020-10-29 07:27:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6149 states. [2020-10-29 07:27:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 7016 transitions. [2020-10-29 07:27:25,765 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 7016 transitions. Word has length 891 [2020-10-29 07:27:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:25,766 INFO L481 AbstractCegarLoop]: Abstraction has 6149 states and 7016 transitions. [2020-10-29 07:27:25,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:27:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 7016 transitions. [2020-10-29 07:27:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2020-10-29 07:27:25,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:25,782 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:27:25,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 07:27:25,782 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:25,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:25,783 INFO L82 PathProgramCache]: Analyzing trace with hash 634734613, now seen corresponding path program 1 times [2020-10-29 07:27:25,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:25,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658930612] [2020-10-29 07:27:25,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:26,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:26,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:27,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:30,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 938 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 600 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-29 07:27:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:27:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-29 07:27:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-29 07:27:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:27:31,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:27:31,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-29 07:27:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-29 07:27:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-29 07:27:31,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 07:27:31,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 07:27:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1399 proven. 91 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2020-10-29 07:27:32,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658930612] [2020-10-29 07:27:32,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:32,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 07:27:32,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999348107] [2020-10-29 07:27:32,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 07:27:32,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:32,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 07:27:32,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:27:32,421 INFO L87 Difference]: Start difference. First operand 6149 states and 7016 transitions. Second operand 10 states. [2020-10-29 07:27:36,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:36,240 INFO L93 Difference]: Finished difference Result 13954 states and 16206 transitions. [2020-10-29 07:27:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 07:27:36,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 914 [2020-10-29 07:27:36,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:36,274 INFO L225 Difference]: With dead ends: 13954 [2020-10-29 07:27:36,274 INFO L226 Difference]: Without dead ends: 8177 [2020-10-29 07:27:36,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-10-29 07:27:36,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8177 states. [2020-10-29 07:27:36,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8177 to 7993. [2020-10-29 07:27:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7993 states. [2020-10-29 07:27:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7993 states to 7993 states and 9321 transitions. [2020-10-29 07:27:36,487 INFO L78 Accepts]: Start accepts. Automaton has 7993 states and 9321 transitions. Word has length 914 [2020-10-29 07:27:36,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:36,489 INFO L481 AbstractCegarLoop]: Abstraction has 7993 states and 9321 transitions. [2020-10-29 07:27:36,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 07:27:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7993 states and 9321 transitions. [2020-10-29 07:27:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2020-10-29 07:27:36,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:36,509 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, 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, 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, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:27:36,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 07:27:36,509 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:36,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:36,510 INFO L82 PathProgramCache]: Analyzing trace with hash 706696808, now seen corresponding path program 1 times [2020-10-29 07:27:36,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:36,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452967426] [2020-10-29 07:27:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:37,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:37,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:41,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1011 [2020-10-29 07:27:41,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:41,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:41,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:41,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:41,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:41,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:41,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:27:42,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:27:42,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:27:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:42,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:27:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-29 07:27:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:27:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-29 07:27:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-29 07:27:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:42,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-29 07:27:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:27:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:27:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:27:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2020-10-29 07:27:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:42,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:42,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:27:42,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:27:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 802 proven. 406 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2020-10-29 07:27:43,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452967426] [2020-10-29 07:27:43,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:43,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:43,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540257302] [2020-10-29 07:27:43,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:43,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:43,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:43,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:43,649 INFO L87 Difference]: Start difference. First operand 7993 states and 9321 transitions. Second operand 7 states. [2020-10-29 07:27:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:46,107 INFO L93 Difference]: Finished difference Result 16164 states and 18851 transitions. [2020-10-29 07:27:46,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:27:46,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 985 [2020-10-29 07:27:46,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:46,150 INFO L225 Difference]: With dead ends: 16164 [2020-10-29 07:27:46,150 INFO L226 Difference]: Without dead ends: 8361 [2020-10-29 07:27:46,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:27:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8361 states. [2020-10-29 07:27:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8361 to 7993. [2020-10-29 07:27:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7993 states. [2020-10-29 07:27:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7993 states to 7993 states and 9309 transitions. [2020-10-29 07:27:46,376 INFO L78 Accepts]: Start accepts. Automaton has 7993 states and 9309 transitions. Word has length 985 [2020-10-29 07:27:46,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:46,377 INFO L481 AbstractCegarLoop]: Abstraction has 7993 states and 9309 transitions. [2020-10-29 07:27:46,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7993 states and 9309 transitions. [2020-10-29 07:27:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2020-10-29 07:27:46,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:46,398 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, 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, 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, 4, 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] [2020-10-29 07:27:46,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 07:27:46,399 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:46,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:46,399 INFO L82 PathProgramCache]: Analyzing trace with hash -715375694, now seen corresponding path program 1 times [2020-10-29 07:27:46,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:46,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259714461] [2020-10-29 07:27:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:50,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:51,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1018 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:51,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:51,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:51,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:51,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:27:51,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:27:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:51,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:27:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 07:27:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:27:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:52,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:27:52,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:52,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:27:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:52,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:27:52,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:27:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:52,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:27:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:52,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2020-10-29 07:27:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:52,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:27:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:53,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3028 backedges. 809 proven. 406 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-10-29 07:27:53,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259714461] [2020-10-29 07:27:53,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:53,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:53,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421320330] [2020-10-29 07:27:53,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:53,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:53,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:53,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:53,298 INFO L87 Difference]: Start difference. First operand 7993 states and 9309 transitions. Second operand 7 states. [2020-10-29 07:27:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:55,740 INFO L93 Difference]: Finished difference Result 15804 states and 18431 transitions. [2020-10-29 07:27:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:27:55,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 992 [2020-10-29 07:27:55,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:55,768 INFO L225 Difference]: With dead ends: 15804 [2020-10-29 07:27:55,768 INFO L226 Difference]: Without dead ends: 7631 [2020-10-29 07:27:55,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:27:55,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7631 states. [2020-10-29 07:27:55,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7631 to 7261. [2020-10-29 07:27:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7261 states. [2020-10-29 07:27:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 8161 transitions. [2020-10-29 07:27:55,955 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 8161 transitions. Word has length 992 [2020-10-29 07:27:55,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:55,957 INFO L481 AbstractCegarLoop]: Abstraction has 7261 states and 8161 transitions. [2020-10-29 07:27:55,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 8161 transitions. [2020-10-29 07:27:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2020-10-29 07:27:55,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:55,978 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 4, 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] [2020-10-29 07:27:55,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 07:27:55,979 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:55,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1147216877, now seen corresponding path program 1 times [2020-10-29 07:27:55,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:55,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600992969] [2020-10-29 07:27:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:56,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:59,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:59,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1127 [2020-10-29 07:28:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:28:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:28:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 968 [2020-10-29 07:28:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 07:28:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:28:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:28:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:28:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:28:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 07:28:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2020-10-29 07:28:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:01,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:01,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 07:28:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3868 backedges. 533 proven. 9 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2020-10-29 07:28:02,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600992969] [2020-10-29 07:28:02,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:02,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:28:02,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237748617] [2020-10-29 07:28:02,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:28:02,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:02,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:28:02,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:28:02,622 INFO L87 Difference]: Start difference. First operand 7261 states and 8161 transitions. Second operand 6 states. [2020-10-29 07:28:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:05,476 INFO L93 Difference]: Finished difference Result 16898 states and 19088 transitions. [2020-10-29 07:28:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:28:05,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1099 [2020-10-29 07:28:05,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:05,505 INFO L225 Difference]: With dead ends: 16898 [2020-10-29 07:28:05,505 INFO L226 Difference]: Without dead ends: 9827 [2020-10-29 07:28:05,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:28:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9827 states. [2020-10-29 07:28:05,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9827 to 9091. [2020-10-29 07:28:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9091 states. [2020-10-29 07:28:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 10050 transitions. [2020-10-29 07:28:05,701 INFO L78 Accepts]: Start accepts. Automaton has 9091 states and 10050 transitions. Word has length 1099 [2020-10-29 07:28:05,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:05,702 INFO L481 AbstractCegarLoop]: Abstraction has 9091 states and 10050 transitions. [2020-10-29 07:28:05,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:28:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 9091 states and 10050 transitions. [2020-10-29 07:28:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2020-10-29 07:28:05,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:05,724 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 5, 4, 4, 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] [2020-10-29 07:28:05,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 07:28:05,725 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:05,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:05,726 INFO L82 PathProgramCache]: Analyzing trace with hash 685547371, now seen corresponding path program 1 times [2020-10-29 07:28:05,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:05,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207525675] [2020-10-29 07:28:05,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:08,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:10,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:10,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1155 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 07:28:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:11,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:28:11,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:28:11,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:28:11,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:28:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:28:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:28:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:28:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:28:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 07:28:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2020-10-29 07:28:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:11,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4014 backedges. 1226 proven. 104 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2020-10-29 07:28:12,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207525675] [2020-10-29 07:28:12,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:12,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:12,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139634897] [2020-10-29 07:28:12,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:12,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:12,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:12,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:12,832 INFO L87 Difference]: Start difference. First operand 9091 states and 10050 transitions. Second operand 7 states. [2020-10-29 07:28:15,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:15,026 INFO L93 Difference]: Finished difference Result 18000 states and 19917 transitions. [2020-10-29 07:28:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:28:15,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1127 [2020-10-29 07:28:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:15,055 INFO L225 Difference]: With dead ends: 18000 [2020-10-29 07:28:15,055 INFO L226 Difference]: Without dead ends: 8909 [2020-10-29 07:28:15,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:28:15,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8909 states. [2020-10-29 07:28:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8909 to 8897. [2020-10-29 07:28:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8897 states. [2020-10-29 07:28:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 9634 transitions. [2020-10-29 07:28:15,294 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 9634 transitions. Word has length 1127 [2020-10-29 07:28:15,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:15,296 INFO L481 AbstractCegarLoop]: Abstraction has 8897 states and 9634 transitions. [2020-10-29 07:28:15,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 9634 transitions. [2020-10-29 07:28:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-10-29 07:28:15,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:15,339 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:28:15,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 07:28:15,339 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:15,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1494412854, now seen corresponding path program 1 times [2020-10-29 07:28:15,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:15,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185081397] [2020-10-29 07:28:15,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:15,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:16,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:17,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1600 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5126 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-29 07:28:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 07:28:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:21,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:28:21,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:28:21,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:28:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:28:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:28:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:21,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:28:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:28:21,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:28:21,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:28:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:28:21,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:28:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:28:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:28:21,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:28:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:28:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 07:28:21,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:28:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-29 07:28:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:28:21,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 1755 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-29 07:28:23,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185081397] [2020-10-29 07:28:23,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:23,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:23,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540634359] [2020-10-29 07:28:23,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:23,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:23,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:23,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:23,243 INFO L87 Difference]: Start difference. First operand 8897 states and 9634 transitions. Second operand 7 states. [2020-10-29 07:28:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:25,420 INFO L93 Difference]: Finished difference Result 18549 states and 20197 transitions. [2020-10-29 07:28:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:28:25,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1566 [2020-10-29 07:28:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:25,434 INFO L225 Difference]: With dead ends: 18549 [2020-10-29 07:28:25,434 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:28:25,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:28:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:28:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:28:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:28:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:28:25,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1566 [2020-10-29 07:28:25,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:25,453 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:28:25,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:28:25,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:28:25,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 07:28:25,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:28:26,784 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 247 [2020-10-29 07:28:28,011 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 247 [2020-10-29 07:28:28,981 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 75 [2020-10-29 07:28:30,785 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 245 DAG size of output: 69 [2020-10-29 07:28:30,894 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2020-10-29 07:28:34,230 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 330 DAG size of output: 101 [2020-10-29 07:28:35,940 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 245 DAG size of output: 69 [2020-10-29 07:28:36,008 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:28:36,009 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:28:36,009 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:28:36,009 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:28:36,009 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:28:36,010 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 07:28:36,010 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:28:36,010 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a12~0)| 2))) (.cse4 (not (= 5 |old(~a15~0)|))) (.cse0 (not (= 10 |old(~a21~0)|))) (.cse5 (not (<= |old(~a24~0)| 1))) (.cse2 (not (= 6 |old(~a21~0)|))) (.cse8 (not (= 8 |old(~a15~0)|))) (.cse9 (not (<= 8 |old(~a21~0)|))) (.cse10 (not (<= |old(~a21~0)| 8))) (.cse1 (not (= 7 |old(~a15~0)|))) (.cse7 (not (= 7 |old(~a21~0)|))) (.cse6 (not (<= 12 |old(~a12~0)|)))) (and (or .cse0 (not (<= 80 |old(~a12~0)|))) (or .cse0 .cse1) (or (not (<= |old(~a21~0)| 9)) (not (<= 9 |old(~a21~0)|))) (or .cse2 .cse3 .cse4) (or .cse0 (not (<= |old(~a12~0)| 75))) (or .cse5 .cse6 .cse2) (or .cse7 .cse4) (or .cse7 .cse8 (not (<= 0 (+ |old(~a12~0)| 41))) .cse3) (or .cse7 .cse1) (or .cse5 .cse2 .cse4) (or .cse0 .cse4) (or .cse9 .cse6 .cse10) (or .cse9 (not (<= 8 |old(~a15~0)|)) .cse10) (or .cse0 .cse8) (or .cse5 .cse2 .cse1) (or .cse7 (not (= (+ |old(~a12~0)| 49) 0)) .cse8) (or .cse9 .cse10 .cse1) (or .cse7 .cse6))) [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:28:36,011 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:28:36,012 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:28:36,013 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:28:36,014 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:28:36,015 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,016 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:28:36,017 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:28:36,018 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,019 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:28:36,020 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse22 (= ~a15~0 8)) (.cse4 (= 7 ~a21~0)) (.cse14 (= 5 ~a15~0)) (.cse1 (= 7 ~a15~0)) (.cse21 (= ~a21~0 |old(~a21~0)|)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse24 (= ~a21~0 6)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse13 (= ~a15~0 |old(~a15~0)|))) (let ((.cse7 (and .cse2 .cse24 .cse3 .cse13)) (.cse8 (not (<= 12 |old(~a12~0)|))) (.cse17 (and .cse2 .cse21 .cse3 .cse13)) (.cse19 (not (<= 8 |old(~a21~0)|))) (.cse20 (not (<= |old(~a21~0)| 8))) (.cse5 (not (= 7 |old(~a15~0)|))) (.cse18 (and .cse1 .cse2 .cse21 .cse3)) (.cse16 (not (= 10 |old(~a21~0)|))) (.cse6 (not (<= |old(~a24~0)| 1))) (.cse23 (and .cse14 .cse2 .cse24 .cse3)) (.cse9 (not (= 6 |old(~a21~0)|))) (.cse12 (not (<= |old(~a12~0)| 2))) (.cse15 (not (= 5 |old(~a15~0)|))) (.cse0 (not (= 7 |old(~a21~0)|))) (.cse10 (and .cse2 .cse22 .cse3 .cse4)) (.cse11 (not (= 8 |old(~a15~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse11 (not (<= 0 (+ |old(~a12~0)| 41))) .cse12) (or .cse0 (and .cse2 .cse3 .cse4 .cse13) .cse8) (or .cse0 (and .cse14 .cse2 .cse3 .cse4) .cse15) (or .cse16 .cse17 (not (<= 80 |old(~a12~0)|))) (or .cse16 .cse17 .cse15) (or .cse6 .cse7 .cse9 .cse5) (or (not (<= |old(~a21~0)| 9)) .cse17 (not (<= 9 |old(~a21~0)|))) (or .cse16 .cse18 .cse5) (or .cse16 .cse17 (not (<= |old(~a12~0)| 75))) (or .cse19 .cse17 .cse8 .cse20) (or .cse19 .cse17 (not (<= 8 |old(~a15~0)|)) .cse20) (or .cse19 .cse20 .cse5 .cse18) (or .cse16 .cse11 (and .cse2 .cse21 .cse22 .cse3)) (or .cse6 .cse23 .cse9 .cse15) (or .cse23 .cse9 .cse12 .cse15) (or .cse0 (not (= (+ |old(~a12~0)| 49) 0)) .cse10 .cse11)))) [2020-10-29 07:28:36,020 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:28:36,020 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:28:36,020 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 07:28:36,020 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:28:36,020 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:28:36,021 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:28:36,022 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:28:36,023 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:28:36,024 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:28:36,025 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:28:36,026 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,027 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,028 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,029 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,030 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,031 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:28:36,032 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:28:36,033 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-29 07:28:36,034 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:28:36,034 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:28:36,034 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-29 07:28:36,035 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse1 (= ~a21~0 10)) (.cse2 (= 7 ~a21~0)) (.cse0 (= 5 ~a15~0)) (.cse8 (<= ~a12~0 2)) (.cse9 (<= 8 ~a21~0)) (.cse10 (<= ~a21~0 8)) (.cse4 (<= 12 ~a12~0)) (.cse5 (= 7 ~a15~0)) (.cse6 (<= ~a24~0 1)) (.cse7 (= ~a21~0 6))) (or (and (<= 9 ~a21~0) (<= ~a21~0 9)) (and .cse0 .cse1) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) .cse2 .cse3) (and .cse4 .cse2) (and .cse0 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse5 .cse1) (and .cse0 .cse6 .cse7) (and .cse1 (= ~a15~0 8)) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (and (<= 0 (+ ~a12~0 41)) .cse8 .cse2 .cse3) (and (<= ~a12~0 75) .cse1) (and .cse5 .cse9 .cse10) (and (<= 80 ~a12~0) .cse1) (and .cse5 .cse2) (and (<= 8 ~a15~0) .cse9 .cse10) (and .cse0 .cse7 .cse8) (and .cse4 .cse9 .cse10) (and .cse6 .cse4 .cse7) (and .cse5 .cse6 .cse7))) [2020-10-29 07:28:36,035 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:28:36,035 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:28:36,035 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:28:36,035 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse1 (= ~a21~0 10)) (.cse2 (= 7 ~a21~0)) (.cse0 (= 5 ~a15~0)) (.cse8 (<= ~a12~0 2)) (.cse9 (<= 8 ~a21~0)) (.cse10 (<= ~a21~0 8)) (.cse4 (<= 12 ~a12~0)) (.cse5 (= 7 ~a15~0)) (.cse6 (<= ~a24~0 1)) (.cse7 (= ~a21~0 6))) (or (and (<= 9 ~a21~0) (<= ~a21~0 9)) (and .cse0 .cse1) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) .cse2 .cse3) (and .cse4 .cse2) (and .cse0 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse5 .cse1) (and .cse0 .cse6 .cse7) (and .cse1 (= ~a15~0 8)) (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (and (<= 0 (+ ~a12~0 41)) .cse8 .cse2 .cse3) (and (<= ~a12~0 75) .cse1) (and .cse5 .cse9 .cse10) (and (<= 80 ~a12~0) .cse1) (and .cse5 .cse2) (and (<= 8 ~a15~0) .cse9 .cse10) (and .cse0 .cse7 .cse8) (and .cse4 .cse9 .cse10) (and .cse6 .cse4 .cse7) (and .cse5 .cse6 .cse7))) [2020-10-29 07:28:36,036 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:28:36,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:28:36 BoogieIcfgContainer [2020-10-29 07:28:36,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:28:36,067 INFO L168 Benchmark]: Toolchain (without parser) took 172385.99 ms. Allocated memory was 125.8 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 99.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2020-10-29 07:28:36,067 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:28:36,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.74 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 132.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2020-10-29 07:28:36,069 INFO L168 Benchmark]: Boogie Preprocessor took 158.44 ms. Allocated memory is still 158.3 MB. Free memory was 132.8 MB in the beginning and 127.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:28:36,069 INFO L168 Benchmark]: RCFGBuilder took 1711.05 ms. Allocated memory is still 158.3 MB. Free memory was 127.2 MB in the beginning and 52.5 MB in the end (delta: 74.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:28:36,070 INFO L168 Benchmark]: TraceAbstraction took 169673.00 ms. Allocated memory was 158.3 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 52.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2020-10-29 07:28:36,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 828.74 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 132.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 158.44 ms. Allocated memory is still 158.3 MB. Free memory was 132.8 MB in the beginning and 127.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1711.05 ms. Allocated memory is still 158.3 MB. Free memory was 127.2 MB in the beginning and 52.5 MB in the end (delta: 74.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 169673.00 ms. Allocated memory was 158.3 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 52.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 882]: Loop Invariant Derived loop invariant: ((((((((((((((((((((9 <= a21 && a21 <= 9) || (5 == a15 && a21 == 10)) || (((a24 == \old(a24) && a12 == \old(a12)) && 7 == a21) && a15 == \old(a15))) || (12 <= a12 && 7 == a21)) || (5 == a15 && 7 == a21)) || !(8 == \old(a15))) || (7 == a15 && a21 == 10)) || ((5 == a15 && a24 <= 1) && a21 == 6)) || (a21 == 10 && a15 == 8)) || !(\old(a12) + 49 == 0)) || !(7 == \old(a21))) || (((0 <= a12 + 41 && a12 <= 2) && 7 == a21) && a15 == \old(a15))) || (a12 <= 75 && a21 == 10)) || ((7 == a15 && 8 <= a21) && a21 <= 8)) || (80 <= a12 && a21 == 10)) || (7 == a15 && 7 == a21)) || ((8 <= a15 && 8 <= a21) && a21 <= 8)) || ((5 == a15 && a21 == 6) && a12 <= 2)) || ((12 <= a12 && 8 <= a21) && a21 <= 8)) || ((a24 <= 1 && 12 <= a12) && a21 == 6)) || ((7 == a15 && a24 <= 1) && a21 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 158.9s, OverallIterations: 19, TraceHistogramMax: 13, AutomataDifference: 47.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 549 SDtfs, 10559 SDslu, 763 SDs, 0 SdLazy, 21878 SolverSat, 2238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 301 SyntacticMatches, 6 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9091occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 4052 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 953 PreInvPairs, 1083 NumberOfFragments, 1103 HoareAnnotationTreeSize, 953 FomulaSimplifications, 1331780 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 24510 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 98.3s InterpolantComputationTime, 12682 NumberOfCodeBlocks, 12682 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 12663 ConstructedInterpolants, 0 QuantifiedInterpolants, 20194745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 32409/34455 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...