/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/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:39:01,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:39:01,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:39:02,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:39:02,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:39:02,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:39:02,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:39:02,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:39:02,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:39:02,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:39:02,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:39:02,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:39:02,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:39:02,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:39:02,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:39:02,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:39:02,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:39:02,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:39:02,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:39:02,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:39:02,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:39:02,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:39:02,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:39:02,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:39:02,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:39:02,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:39:02,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:39:02,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:39:02,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:39:02,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:39:02,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:39:02,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:39:02,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:39:02,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:39:02,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:39:02,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:39:02,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:39:02,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:39:02,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:39:02,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:39:02,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:39:02,157 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 06:39:02,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:39:02,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:39:02,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:39:02,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:39:02,217 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:39:02,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:39:02,218 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:39:02,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:39:02,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:39:02,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:39:02,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:39:02,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:39:02,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:39:02,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:39:02,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:39:02,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:39:02,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:39:02,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:39:02,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:39:02,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:39:02,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:39:02,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:02,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:39:02,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:39:02,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:39:02,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:39:02,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:39:02,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:39:02,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:39:02,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:39:02,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:39:02,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:39:02,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:39:02,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:39:02,754 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:39:02,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-29 06:39:02,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/255b9aa45/c86fedb736824171b12909c47c6670b2/FLAGc1b2f3413 [2020-10-29 06:39:03,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:39:03,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-29 06:39:03,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/255b9aa45/c86fedb736824171b12909c47c6670b2/FLAGc1b2f3413 [2020-10-29 06:39:03,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/255b9aa45/c86fedb736824171b12909c47c6670b2 [2020-10-29 06:39:03,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:39:03,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:39:03,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:03,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:39:03,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:39:03,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:03" (1/1) ... [2020-10-29 06:39:03,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da80bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:03, skipping insertion in model container [2020-10-29 06:39:03,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:03" (1/1) ... [2020-10-29 06:39:03,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:39:03,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:39:04,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:04,447 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:39:04,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:04,709 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:39:04,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04 WrapperNode [2020-10-29 06:39:04,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:04,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:39:04,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:39:04,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:39:04,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (1/1) ... [2020-10-29 06:39:04,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:39:04,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:39:04,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:39:04,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:39:04,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (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 06:39:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:39:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:39:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:39:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:39:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:39:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:39:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:39:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:39:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:39:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:39:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:39:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:39:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:39:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:39:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:39:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:39:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:39:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:39:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:39:06,635 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:39:06,635 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:39:06,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:06 BoogieIcfgContainer [2020-10-29 06:39:06,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:39:06,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:39:06,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:39:06,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:39:06,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:39:03" (1/3) ... [2020-10-29 06:39:06,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546c2000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:06, skipping insertion in model container [2020-10-29 06:39:06,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:04" (2/3) ... [2020-10-29 06:39:06,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546c2000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:06, skipping insertion in model container [2020-10-29 06:39:06,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:06" (3/3) ... [2020-10-29 06:39:06,648 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-10-29 06:39:06,661 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:39:06,666 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:39:06,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:39:06,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:39:06,711 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:39:06,711 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:39:06,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:39:06,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:39:06,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:39:06,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:39:06,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:39:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:39:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-29 06:39:06,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:06,746 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] [2020-10-29 06:39:06,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:06,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1160931286, now seen corresponding path program 1 times [2020-10-29 06:39:06,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:06,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68119187] [2020-10-29 06:39:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:07,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:07,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 06:39:07,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-10-29 06:39:07,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:07,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 06:39:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:39:07,706 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-29 06:39:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:07,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:07,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:39:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:07,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:07,787 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 06:39:07,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68119187] [2020-10-29 06:39:07,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:07,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:39:07,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959806327] [2020-10-29 06:39:07,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:07,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:07,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:07,822 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:39:11,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:11,137 INFO L93 Difference]: Finished difference Result 735 states and 1307 transitions. [2020-10-29 06:39:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:39:11,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-29 06:39:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:11,158 INFO L225 Difference]: With dead ends: 735 [2020-10-29 06:39:11,159 INFO L226 Difference]: Without dead ends: 448 [2020-10-29 06:39:11,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:11,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-29 06:39:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-29 06:39:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-29 06:39:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-10-29 06:39:11,269 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 35 [2020-10-29 06:39:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:11,270 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-10-29 06:39:11,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-10-29 06:39:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 06:39:11,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:11,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:11,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:39:11,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:11,278 INFO L82 PathProgramCache]: Analyzing trace with hash -192515201, now seen corresponding path program 1 times [2020-10-29 06:39:11,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:11,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75281633] [2020-10-29 06:39:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:11,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:13,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 06:39:13,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1880 [2020-10-29 06:39:13,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:13,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:39:13,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:13,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:13,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:13,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:13,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:13,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 06:39:13,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:13,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:13,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:13,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:13,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:13,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:13,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 06:39:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:13,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75281633] [2020-10-29 06:39:13,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:13,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:39:13,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310084014] [2020-10-29 06:39:13,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:13,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:13,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:13,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:13,742 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 7 states. [2020-10-29 06:39:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:15,922 INFO L93 Difference]: Finished difference Result 1200 states and 1876 transitions. [2020-10-29 06:39:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:15,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-10-29 06:39:15,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:15,932 INFO L225 Difference]: With dead ends: 1200 [2020-10-29 06:39:15,932 INFO L226 Difference]: Without dead ends: 764 [2020-10-29 06:39:15,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-10-29 06:39:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 595. [2020-10-29 06:39:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-29 06:39:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 860 transitions. [2020-10-29 06:39:16,024 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 860 transitions. Word has length 117 [2020-10-29 06:39:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:16,024 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 860 transitions. [2020-10-29 06:39:16,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 860 transitions. [2020-10-29 06:39:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-29 06:39:16,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:16,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:16,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:39:16,040 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:16,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1215026895, now seen corresponding path program 1 times [2020-10-29 06:39:16,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:16,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207534218] [2020-10-29 06:39:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:16,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:17,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 06:39:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-29 06:39:17,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:17,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 06:39:17,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:17,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:17,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:17,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:18,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:39:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:18,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207534218] [2020-10-29 06:39:18,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:18,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:39:18,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106454874] [2020-10-29 06:39:18,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:18,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:18,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:18,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:18,180 INFO L87 Difference]: Start difference. First operand 595 states and 860 transitions. Second operand 7 states. [2020-10-29 06:39:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:20,248 INFO L93 Difference]: Finished difference Result 1560 states and 2496 transitions. [2020-10-29 06:39:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:39:20,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-10-29 06:39:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:20,271 INFO L225 Difference]: With dead ends: 1560 [2020-10-29 06:39:20,271 INFO L226 Difference]: Without dead ends: 971 [2020-10-29 06:39:20,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:20,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-10-29 06:39:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 754. [2020-10-29 06:39:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-29 06:39:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1018 transitions. [2020-10-29 06:39:20,362 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1018 transitions. Word has length 157 [2020-10-29 06:39:20,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:20,363 INFO L481 AbstractCegarLoop]: Abstraction has 754 states and 1018 transitions. [2020-10-29 06:39:20,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1018 transitions. [2020-10-29 06:39:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-29 06:39:20,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:20,378 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:20,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:39:20,379 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:20,379 INFO L82 PathProgramCache]: Analyzing trace with hash 630286076, now seen corresponding path program 1 times [2020-10-29 06:39:20,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:20,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623746568] [2020-10-29 06:39:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:20,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:21,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 06:39:21,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:21,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-10-29 06:39:21,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:21,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:39:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:21,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:21,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:21,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:21,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:21,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:39:21,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:39:21,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:21,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:39:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:21,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:39:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-29 06:39:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:21,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:21,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623746568] [2020-10-29 06:39:21,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:21,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:21,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022080291] [2020-10-29 06:39:21,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:21,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:21,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:21,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:21,801 INFO L87 Difference]: Start difference. First operand 754 states and 1018 transitions. Second operand 7 states. [2020-10-29 06:39:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:23,999 INFO L93 Difference]: Finished difference Result 1969 states and 2787 transitions. [2020-10-29 06:39:24,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:24,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-10-29 06:39:24,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:24,010 INFO L225 Difference]: With dead ends: 1969 [2020-10-29 06:39:24,011 INFO L226 Difference]: Without dead ends: 1221 [2020-10-29 06:39:24,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:24,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-29 06:39:24,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 911. [2020-10-29 06:39:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-10-29 06:39:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1201 transitions. [2020-10-29 06:39:24,057 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1201 transitions. Word has length 187 [2020-10-29 06:39:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:24,059 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1201 transitions. [2020-10-29 06:39:24,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1201 transitions. [2020-10-29 06:39:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 06:39:24,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:24,063 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:39:24,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:39:24,064 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1002513494, now seen corresponding path program 1 times [2020-10-29 06:39:24,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:24,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510970670] [2020-10-29 06:39:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:25,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:27,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-29 06:39:27,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3003 [2020-10-29 06:39:27,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:27,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:39:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:27,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:27,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:39:27,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:27,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:27,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 06:39:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:27,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:27,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:39:27,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:39:27,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:39:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:39:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:27,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:27,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 06:39:27,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:27,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:27,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-10-29 06:39:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:27,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510970670] [2020-10-29 06:39:27,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:27,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:27,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342747753] [2020-10-29 06:39:27,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:27,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:27,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:27,630 INFO L87 Difference]: Start difference. First operand 911 states and 1201 transitions. Second operand 7 states. [2020-10-29 06:39:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:29,592 INFO L93 Difference]: Finished difference Result 2142 states and 2950 transitions. [2020-10-29 06:39:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:29,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 194 [2020-10-29 06:39:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:29,602 INFO L225 Difference]: With dead ends: 2142 [2020-10-29 06:39:29,602 INFO L226 Difference]: Without dead ends: 1237 [2020-10-29 06:39:29,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 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 06:39:29,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-10-29 06:39:29,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1064. [2020-10-29 06:39:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2020-10-29 06:39:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1388 transitions. [2020-10-29 06:39:29,648 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1388 transitions. Word has length 194 [2020-10-29 06:39:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:29,649 INFO L481 AbstractCegarLoop]: Abstraction has 1064 states and 1388 transitions. [2020-10-29 06:39:29,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1388 transitions. [2020-10-29 06:39:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-29 06:39:29,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:29,653 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:29,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:39:29,653 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:29,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:29,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1071631846, now seen corresponding path program 1 times [2020-10-29 06:39:29,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:29,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260655272] [2020-10-29 06:39:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:29,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:29,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:30,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:30,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:30,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-29 06:39:30,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1103 [2020-10-29 06:39:30,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:30,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:39:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:30,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:30,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:30,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:30,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:30,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:30,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:39:30,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:30,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:30,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:31,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:31,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:39:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 06:39:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:31,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:31,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:39:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:31,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:31,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:31,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:31,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 06:39:31,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:31,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:31,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:31,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260655272] [2020-10-29 06:39:31,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:31,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:31,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697795735] [2020-10-29 06:39:31,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:31,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:31,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:31,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:31,381 INFO L87 Difference]: Start difference. First operand 1064 states and 1388 transitions. Second operand 7 states. [2020-10-29 06:39:34,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:34,251 INFO L93 Difference]: Finished difference Result 3143 states and 4079 transitions. [2020-10-29 06:39:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:34,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-10-29 06:39:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:34,261 INFO L225 Difference]: With dead ends: 3143 [2020-10-29 06:39:34,261 INFO L226 Difference]: Without dead ends: 1640 [2020-10-29 06:39:34,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-10-29 06:39:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1056. [2020-10-29 06:39:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-10-29 06:39:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1339 transitions. [2020-10-29 06:39:34,309 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1339 transitions. Word has length 196 [2020-10-29 06:39:34,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:34,310 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1339 transitions. [2020-10-29 06:39:34,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1339 transitions. [2020-10-29 06:39:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-29 06:39:34,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:34,315 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:39:34,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:39:34,315 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:34,316 INFO L82 PathProgramCache]: Analyzing trace with hash 696920362, now seen corresponding path program 1 times [2020-10-29 06:39:34,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:34,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929598564] [2020-10-29 06:39:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:34,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:34,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-29 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3710 [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:38,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:38,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:38,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:38,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:38,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:38,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:38,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:38,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 06:39:38,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:38,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:39:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:39:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:38,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:38,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 06:39:38,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:38,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:38,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929598564] [2020-10-29 06:39:38,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:38,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:38,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831741584] [2020-10-29 06:39:38,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:38,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:38,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:38,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:38,617 INFO L87 Difference]: Start difference. First operand 1056 states and 1339 transitions. Second operand 7 states. [2020-10-29 06:39:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:40,940 INFO L93 Difference]: Finished difference Result 2859 states and 3693 transitions. [2020-10-29 06:39:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:39:40,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-10-29 06:39:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:40,950 INFO L225 Difference]: With dead ends: 2859 [2020-10-29 06:39:40,950 INFO L226 Difference]: Without dead ends: 1809 [2020-10-29 06:39:40,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:39:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-10-29 06:39:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1648. [2020-10-29 06:39:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2020-10-29 06:39:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2060 transitions. [2020-10-29 06:39:41,017 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2060 transitions. Word has length 204 [2020-10-29 06:39:41,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:41,018 INFO L481 AbstractCegarLoop]: Abstraction has 1648 states and 2060 transitions. [2020-10-29 06:39:41,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2060 transitions. [2020-10-29 06:39:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-29 06:39:41,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:41,023 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:41,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:39:41,024 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:41,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:41,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1393895664, now seen corresponding path program 1 times [2020-10-29 06:39:41,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:41,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911575426] [2020-10-29 06:39:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:41,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:41,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:42,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-29 06:39:44,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:44,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3141 [2020-10-29 06:39:44,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:39:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:39:44,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:44,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:39:44,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:39:44,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:39:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:44,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:44,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:44,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:44,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911575426] [2020-10-29 06:39:44,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:44,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:44,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449153999] [2020-10-29 06:39:44,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:44,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:44,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:44,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:44,707 INFO L87 Difference]: Start difference. First operand 1648 states and 2060 transitions. Second operand 7 states. [2020-10-29 06:39:46,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:46,647 INFO L93 Difference]: Finished difference Result 4170 states and 5270 transitions. [2020-10-29 06:39:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:46,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-29 06:39:46,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:46,661 INFO L225 Difference]: With dead ends: 4170 [2020-10-29 06:39:46,661 INFO L226 Difference]: Without dead ends: 2528 [2020-10-29 06:39:46,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:46,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-29 06:39:46,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2085. [2020-10-29 06:39:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-10-29 06:39:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2662 transitions. [2020-10-29 06:39:46,747 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2662 transitions. Word has length 213 [2020-10-29 06:39:46,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:46,748 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2662 transitions. [2020-10-29 06:39:46,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2662 transitions. [2020-10-29 06:39:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-29 06:39:46,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:46,754 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:46,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:39:46,755 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:46,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1249528290, now seen corresponding path program 1 times [2020-10-29 06:39:46,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:46,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752774] [2020-10-29 06:39:46,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:46,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:47,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:47,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-29 06:39:48,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:48,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1213 [2020-10-29 06:39:48,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:39:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:48,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:48,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:48,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:48,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:39:48,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 06:39:48,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:39:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:48,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:39:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:48,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:48,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:48,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 06:39:48,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:48,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:48,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752774] [2020-10-29 06:39:48,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:48,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:39:48,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577899772] [2020-10-29 06:39:48,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:39:48,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:48,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:39:48,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:48,668 INFO L87 Difference]: Start difference. First operand 2085 states and 2662 transitions. Second operand 8 states. [2020-10-29 06:39:51,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:51,555 INFO L93 Difference]: Finished difference Result 4754 states and 6130 transitions. [2020-10-29 06:39:51,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:39:51,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-29 06:39:51,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:51,571 INFO L225 Difference]: With dead ends: 4754 [2020-10-29 06:39:51,571 INFO L226 Difference]: Without dead ends: 2675 [2020-10-29 06:39:51,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:39:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2020-10-29 06:39:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2518. [2020-10-29 06:39:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2518 states. [2020-10-29 06:39:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3038 transitions. [2020-10-29 06:39:51,656 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3038 transitions. Word has length 232 [2020-10-29 06:39:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:51,657 INFO L481 AbstractCegarLoop]: Abstraction has 2518 states and 3038 transitions. [2020-10-29 06:39:51,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:39:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3038 transitions. [2020-10-29 06:39:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-29 06:39:51,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:51,667 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:51,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:39:51,667 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:51,668 INFO L82 PathProgramCache]: Analyzing trace with hash 681909941, now seen corresponding path program 1 times [2020-10-29 06:39:51,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:51,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477136991] [2020-10-29 06:39:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:51,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:53,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-29 06:39:56,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4736 [2020-10-29 06:39:56,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:56,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-29 06:39:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:56,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:56,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:56,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:56,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:56,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:56,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:56,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:56,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:56,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:56,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:56,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:39:56,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:39:56,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:56,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:39:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:56,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:39:56,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 06:39:56,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:56,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:39:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:56,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-29 06:39:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:56,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 06:39:56,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:56,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:39:57,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477136991] [2020-10-29 06:39:57,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:57,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:57,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419799371] [2020-10-29 06:39:57,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:57,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:57,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:57,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:57,143 INFO L87 Difference]: Start difference. First operand 2518 states and 3038 transitions. Second operand 7 states. [2020-10-29 06:39:59,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:59,145 INFO L93 Difference]: Finished difference Result 5906 states and 7204 transitions. [2020-10-29 06:39:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:59,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-29 06:39:59,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:59,161 INFO L225 Difference]: With dead ends: 5906 [2020-10-29 06:39:59,161 INFO L226 Difference]: Without dead ends: 3394 [2020-10-29 06:39:59,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:59,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2020-10-29 06:39:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3102. [2020-10-29 06:39:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3102 states. [2020-10-29 06:39:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 3102 states and 3810 transitions. [2020-10-29 06:39:59,273 INFO L78 Accepts]: Start accepts. Automaton has 3102 states and 3810 transitions. Word has length 314 [2020-10-29 06:39:59,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:59,274 INFO L481 AbstractCegarLoop]: Abstraction has 3102 states and 3810 transitions. [2020-10-29 06:39:59,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3102 states and 3810 transitions. [2020-10-29 06:39:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-29 06:39:59,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:59,287 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:59,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:39:59,287 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:59,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1457463261, now seen corresponding path program 1 times [2020-10-29 06:39:59,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:59,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481459516] [2020-10-29 06:39:59,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:59,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:00,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:40:04,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:40:04,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:04,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:04,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:04,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:04,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:04,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:04,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:04,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:04,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:04,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:04,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:04,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:04,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:04,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:04,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:04,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:40:04,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-29 06:40:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:04,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:04,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:04,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:04,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:40:04,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:04,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:40:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:04,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 163 proven. 80 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-29 06:40:05,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481459516] [2020-10-29 06:40:05,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:05,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:05,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250059462] [2020-10-29 06:40:05,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:05,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:05,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:05,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:05,025 INFO L87 Difference]: Start difference. First operand 3102 states and 3810 transitions. Second operand 7 states. [2020-10-29 06:40:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:07,290 INFO L93 Difference]: Finished difference Result 6226 states and 7666 transitions. [2020-10-29 06:40:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:07,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-29 06:40:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:07,305 INFO L225 Difference]: With dead ends: 6226 [2020-10-29 06:40:07,305 INFO L226 Difference]: Without dead ends: 3130 [2020-10-29 06:40:07,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 06:40:07,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2020-10-29 06:40:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2820. [2020-10-29 06:40:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2820 states. [2020-10-29 06:40:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3320 transitions. [2020-10-29 06:40:07,395 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3320 transitions. Word has length 334 [2020-10-29 06:40:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:07,396 INFO L481 AbstractCegarLoop]: Abstraction has 2820 states and 3320 transitions. [2020-10-29 06:40:07,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3320 transitions. [2020-10-29 06:40:07,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-29 06:40:07,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:07,407 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:07,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:40:07,407 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:07,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:07,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1820042637, now seen corresponding path program 1 times [2020-10-29 06:40:07,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:07,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850429397] [2020-10-29 06:40:07,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:07,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:08,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:08,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-29 06:40:09,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-29 06:40:09,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:09,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:09,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-29 06:40:09,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:40:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 06:40:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:09,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 06:40:09,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:09,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:09,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:40:09,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 262 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:40:09,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850429397] [2020-10-29 06:40:09,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:09,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:09,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517911624] [2020-10-29 06:40:09,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:09,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:09,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:09,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:09,722 INFO L87 Difference]: Start difference. First operand 2820 states and 3320 transitions. Second operand 7 states. [2020-10-29 06:40:12,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:12,450 INFO L93 Difference]: Finished difference Result 6019 states and 7328 transitions. [2020-10-29 06:40:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:12,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 344 [2020-10-29 06:40:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:12,452 INFO L225 Difference]: With dead ends: 6019 [2020-10-29 06:40:12,452 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:40:12,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 06:40:12,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:40:12,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:40:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:40:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:40:12,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2020-10-29 06:40:12,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:12,468 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:40:12,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:40:12,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:40:12,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:40:12,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:40:13,731 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 229 DAG size of output: 185 [2020-10-29 06:40:15,422 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 185 [2020-10-29 06:40:16,640 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 171 DAG size of output: 45 [2020-10-29 06:40:18,163 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 228 DAG size of output: 65 [2020-10-29 06:40:18,618 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2020-10-29 06:40:19,666 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 171 DAG size of output: 45 [2020-10-29 06:40:19,672 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:40:19,673 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:40:19,673 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:40:19,673 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:40:19,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:19,673 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|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~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)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:40:19,674 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,675 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:40:19,676 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:40:19,677 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,678 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:40:19,679 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:40:19,680 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,681 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:40:19,682 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:40:19,683 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,684 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:40:19,685 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L270 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: (let ((.cse3 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse2 (not (= 4 |old(~a10~0)|))) (.cse4 (not (<= |old(~a10~0)| 1))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (not (= 9 |old(~a19~0)|))) (.cse5 (not (= 0 |old(~a10~0)|)))) (and (or .cse0 (not (= 3 |old(~a10~0)|))) (or .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse0 .cse5 (not (<= |old(~a1~0)| 150))) (not (= 2 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|)) (or (not (<= 1 |old(~a10~0)|)) .cse4) (or .cse0 .cse1 .cse5))) [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L90-1(line 90) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,686 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse3 (not (= 4 |old(~a10~0)|))) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse5 (not (= 0 |old(~a10~0)|))) (.cse0 (= 7 |old(~a19~0)|)) (.cse2 (and .cse6 .cse7 .cse9)) (.cse4 (not (<= |old(~a10~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 (not (<= |old(~a1~0)| 150)) (and (= ~a10~0 0) .cse6 .cse7)) (or .cse2 .cse8 .cse3) (or .cse2 (not (= 8 |old(~a19~0)|))) (or .cse2 (not (= 2 |old(~a10~0)|))) (or .cse0 (and (= ~a19~0 9) .cse6 .cse9) .cse8 .cse5) (or .cse0 (not (= 3 |old(~a10~0)|)) .cse2) (or .cse2 (not (<= 1 |old(~a10~0)|)) .cse4)))) [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:40:19,687 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,688 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:40:19,689 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:40:19,690 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,691 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,692 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:19,692 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:19,692 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-29 06:40:19,692 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:40:19,692 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:19,692 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32))) [2020-10-29 06:40:19,692 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:19,692 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse5 (<= ~a10~0 1)) (.cse2 (not (= 7 ~a19~0))) (.cse3 (<= (+ ~a1~0 75821) 0)) (.cse1 (= ~a19~0 9)) (.cse4 (= ~a10~0 4))) (or (= ~a19~0 8) (and .cse0 .cse1 .cse2) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse3 .cse4) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a1~0 150) .cse2) (and (<= 1 ~a10~0) .cse5) (and (= ~a10~0 3) .cse2) (not (<= |old(~a1~0)| 32)) (and .cse5 .cse2 .cse3) (and .cse1 .cse4))) [2020-10-29 06:40:19,692 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:40:19,693 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:40:19,693 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse5 (<= ~a10~0 1)) (.cse2 (not (= 7 ~a19~0))) (.cse3 (<= (+ ~a1~0 75821) 0)) (.cse1 (= ~a19~0 9)) (.cse4 (= ~a10~0 4))) (or (= ~a19~0 8) (and .cse0 .cse1 .cse2) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse3 .cse4) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a1~0 150) .cse2) (and (<= 1 ~a10~0) .cse5) (and (= ~a10~0 3) .cse2) (not (<= |old(~a1~0)| 32)) (and .cse5 .cse2 .cse3) (and .cse1 .cse4))) [2020-10-29 06:40:19,693 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:19,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:40:19 BoogieIcfgContainer [2020-10-29 06:40:19,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:40:19,716 INFO L168 Benchmark]: Toolchain (without parser) took 75854.14 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 979.4 MB). Free memory was 124.8 MB in the beginning and 445.8 MB in the end (delta: -320.9 MB). Peak memory consumption was 660.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:19,716 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:40:19,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.75 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 129.4 MB in the end (delta: -5.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:19,718 INFO L168 Benchmark]: Boogie Preprocessor took 183.66 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:19,718 INFO L168 Benchmark]: RCFGBuilder took 1738.59 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 103.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:19,719 INFO L168 Benchmark]: TraceAbstraction took 73074.79 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 979.4 MB). Free memory was 103.3 MB in the beginning and 445.8 MB in the end (delta: -342.4 MB). Peak memory consumption was 637.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:19,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 837.75 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 129.4 MB in the end (delta: -5.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 183.66 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1738.59 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 103.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73074.79 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 979.4 MB). Free memory was 103.3 MB in the beginning and 445.8 MB in the end (delta: -342.4 MB). Peak memory consumption was 637.4 MB. 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: 584]: Loop Invariant Derived loop invariant: ((((((((((a19 == 8 || ((a10 == 0 && a19 == 9) && !(7 == a19))) || a10 == 2) || !(9 == \old(a19))) || ((!(7 == a19) && a1 + 75821 <= 0) && a10 == 4)) || !(0 == \old(a10))) || ((a10 == 0 && a1 <= 150) && !(7 == a19))) || (1 <= a10 && a10 <= 1)) || (a10 == 3 && !(7 == a19))) || !(\old(a1) <= 32)) || ((a10 <= 1 && !(7 == a19)) && a1 + 75821 <= 0)) || (a19 == 9 && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.7s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 29.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 365 SDtfs, 6107 SDslu, 511 SDs, 0 SdLazy, 12445 SolverSat, 2221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3102occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 2822 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 338 PreInvPairs, 428 NumberOfFragments, 540 HoareAnnotationTreeSize, 338 FomulaSimplifications, 11876557 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1954924 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 34.1s InterpolantComputationTime, 2527 NumberOfCodeBlocks, 2527 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2515 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1772/1870 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...