/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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:35:49,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:35:49,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:35:49,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:35:49,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:35:49,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:35:49,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:35:49,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:35:49,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:35:49,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:35:49,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:35:49,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:35:49,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:35:49,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:35:49,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:35:49,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:35:49,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:35:49,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:35:49,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:35:49,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:35:49,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:35:49,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:35:49,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:35:49,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:35:49,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:35:49,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:35:49,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:35:49,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:35:49,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:35:49,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:35:49,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:35:49,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:35:49,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:35:49,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:35:49,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:35:49,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:35:49,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:35:49,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:35:49,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:35:49,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:35:49,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:35:49,884 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 06:35:49,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:35:49,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:35:49,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:35:49,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:35:49,940 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:35:49,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:35:49,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:35:49,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:35:49,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:35:49,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:35:49,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:35:49,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:35:49,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:35:49,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:35:49,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:35:49,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:35:49,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:35:49,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:35:49,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:35:49,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:35:49,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:35:49,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:35:49,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:35:49,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:35:49,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:35:49,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:35:49,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:35:49,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:35:49,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:35:49,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:35:50,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:35:50,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:35:50,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:35:50,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:35:50,374 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:35:50,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2020-10-29 06:35:50,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3003793/20a06b5b0ad14b15bc192d25ca7ac6c8/FLAGbac18e88f [2020-10-29 06:35:51,166 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:35:51,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2020-10-29 06:35:51,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3003793/20a06b5b0ad14b15bc192d25ca7ac6c8/FLAGbac18e88f [2020-10-29 06:35:51,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3003793/20a06b5b0ad14b15bc192d25ca7ac6c8 [2020-10-29 06:35:51,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:35:51,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:35:51,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:35:51,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:35:51,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:35:51,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:35:51" (1/1) ... [2020-10-29 06:35:51,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d0f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:51, skipping insertion in model container [2020-10-29 06:35:51,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:35:51" (1/1) ... [2020-10-29 06:35:51,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:35:51,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:35:51,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:35:52,023 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:35:52,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:35:52,367 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:35:52,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52 WrapperNode [2020-10-29 06:35:52,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:35:52,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:35:52,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:35:52,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:35:52,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (1/1) ... [2020-10-29 06:35:52,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:35:52,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:35:52,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:35:52,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:35:52,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (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 06:35:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:35:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:35:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:35:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:35:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:35:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:35:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:35:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:35:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:35:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:35:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:35:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:35:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:35:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:35:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:35:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:35:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:35:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:35:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:35:54,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:35:54,099 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:35:54,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:35:54 BoogieIcfgContainer [2020-10-29 06:35:54,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:35:54,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:35:54,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:35:54,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:35:54,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:35:51" (1/3) ... [2020-10-29 06:35:54,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa4c2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:35:54, skipping insertion in model container [2020-10-29 06:35:54,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:35:52" (2/3) ... [2020-10-29 06:35:54,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa4c2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:35:54, skipping insertion in model container [2020-10-29 06:35:54,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:35:54" (3/3) ... [2020-10-29 06:35:54,112 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2020-10-29 06:35:54,130 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:35:54,141 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:35:54,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:35:54,240 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:35:54,240 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:35:54,240 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:35:54,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:35:54,241 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:35:54,241 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:35:54,241 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:35:54,241 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:35:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:35:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 06:35:54,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:35:54,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:35:54,283 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:35:54,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:35:54,292 INFO L82 PathProgramCache]: Analyzing trace with hash -870458052, now seen corresponding path program 1 times [2020-10-29 06:35:54,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:35:54,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480777065] [2020-10-29 06:35:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:35:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:35:54,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:55,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:35:55,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 06:35:55,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:35:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-29 06:35:55,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:35:55,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:35:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:35:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:35:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 06:35:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:35:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:35:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:35:55,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:55,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:35:55,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:35:55,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:35:55,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 06:35:55,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:35:55,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:35:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:35:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:35:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:35:55,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:35:55,470 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 06:35:55,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480777065] [2020-10-29 06:35:55,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:35:55,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:35:55,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414238227] [2020-10-29 06:35:55,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:35:55,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:35:55,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:35:55,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:35:55,501 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:35:57,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:35:57,447 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-29 06:35:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:35:57,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-29 06:35:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:35:57,466 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:35:57,466 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:35:57,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:35:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:35:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-29 06:35:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:35:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-29 06:35:57,559 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 60 [2020-10-29 06:35:57,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:35:57,560 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-29 06:35:57,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:35:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-29 06:35:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-29 06:35:57,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:35:57,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 06:35:57,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:35:57,569 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:35:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:35:57,570 INFO L82 PathProgramCache]: Analyzing trace with hash 665161468, now seen corresponding path program 1 times [2020-10-29 06:35:57,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:35:57,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866844115] [2020-10-29 06:35:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:35:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:35:57,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:57,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:58,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:58,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:35:58,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 06:35:58,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:35:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1355 [2020-10-29 06:35:58,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:35:58,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:35:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:35:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:35:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 06:35:58,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:35:59,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:35:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:35:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:59,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:35:59,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:35:59,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:35:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:35:59,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:35:59,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:35:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:35:59,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:35:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:35:59,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:59,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:35:59,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:35:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:35:59,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:35:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 06:35:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:35:59,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:35:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:35:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:35:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:35:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:35:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:35:59,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866844115] [2020-10-29 06:35:59,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:35:59,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:35:59,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810725627] [2020-10-29 06:35:59,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:35:59,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:35:59,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:35:59,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:35:59,540 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-29 06:36:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:01,344 INFO L93 Difference]: Finished difference Result 743 states and 1056 transitions. [2020-10-29 06:36:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:36:01,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-29 06:36:01,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:01,356 INFO L225 Difference]: With dead ends: 743 [2020-10-29 06:36:01,357 INFO L226 Difference]: Without dead ends: 452 [2020-10-29 06:36:01,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:36:01,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-10-29 06:36:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 446. [2020-10-29 06:36:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-29 06:36:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 602 transitions. [2020-10-29 06:36:01,408 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 602 transitions. Word has length 132 [2020-10-29 06:36:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:01,408 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 602 transitions. [2020-10-29 06:36:01,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 602 transitions. [2020-10-29 06:36:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 06:36:01,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:01,413 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:01,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:36:01,414 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:01,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:01,415 INFO L82 PathProgramCache]: Analyzing trace with hash 394705408, now seen corresponding path program 1 times [2020-10-29 06:36:01,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:01,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666315632] [2020-10-29 06:36:01,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:01,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:02,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:02,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 06:36:02,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-29 06:36:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:02,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:36:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:36:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:02,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:02,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:02,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:02,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:36:02,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:02,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:02,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:02,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:02,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:02,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:02,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:36:02,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 06:36:02,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:02,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:36:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:36:02,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666315632] [2020-10-29 06:36:02,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:02,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:36:02,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222397744] [2020-10-29 06:36:02,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:36:02,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:02,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:36:02,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:36:02,532 INFO L87 Difference]: Start difference. First operand 446 states and 602 transitions. Second operand 5 states. [2020-10-29 06:36:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:04,364 INFO L93 Difference]: Finished difference Result 1041 states and 1485 transitions. [2020-10-29 06:36:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:36:04,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-29 06:36:04,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:04,380 INFO L225 Difference]: With dead ends: 1041 [2020-10-29 06:36:04,380 INFO L226 Difference]: Without dead ends: 744 [2020-10-29 06:36:04,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:36:04,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-29 06:36:04,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2020-10-29 06:36:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-29 06:36:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 975 transitions. [2020-10-29 06:36:04,467 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 975 transitions. Word has length 139 [2020-10-29 06:36:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:04,469 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 975 transitions. [2020-10-29 06:36:04,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:36:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 975 transitions. [2020-10-29 06:36:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 06:36:04,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:04,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:04,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:36:04,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:04,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:04,487 INFO L82 PathProgramCache]: Analyzing trace with hash -433523716, now seen corresponding path program 1 times [2020-10-29 06:36:04,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:04,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759163650] [2020-10-29 06:36:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:04,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:04,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:05,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:05,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:36:05,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 763 [2020-10-29 06:36:05,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:05,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:36:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:36:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:36:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:05,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:05,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:05,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 06:36:05,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:05,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:36:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:05,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:05,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:05,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:36:05,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:05,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:36:05,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:05,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:36:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:36:05,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759163650] [2020-10-29 06:36:05,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:36:05,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:36:05,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077867310] [2020-10-29 06:36:05,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:05,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:05,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:05,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:05,687 INFO L87 Difference]: Start difference. First operand 744 states and 975 transitions. Second operand 7 states. [2020-10-29 06:36:07,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:07,746 INFO L93 Difference]: Finished difference Result 1667 states and 2322 transitions. [2020-10-29 06:36:07,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:36:07,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-29 06:36:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:07,755 INFO L225 Difference]: With dead ends: 1667 [2020-10-29 06:36:07,755 INFO L226 Difference]: Without dead ends: 1072 [2020-10-29 06:36:07,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 06:36:07,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-29 06:36:07,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1050. [2020-10-29 06:36:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-10-29 06:36:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1314 transitions. [2020-10-29 06:36:07,812 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1314 transitions. Word has length 141 [2020-10-29 06:36:07,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:07,812 INFO L481 AbstractCegarLoop]: Abstraction has 1050 states and 1314 transitions. [2020-10-29 06:36:07,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1314 transitions. [2020-10-29 06:36:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 06:36:07,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:07,817 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:36:07,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:36:07,818 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:07,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:07,818 INFO L82 PathProgramCache]: Analyzing trace with hash -72982216, now seen corresponding path program 1 times [2020-10-29 06:36:07,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:07,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861580872] [2020-10-29 06:36:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:07,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:08,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:08,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:08,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 06:36:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 794 [2020-10-29 06:36:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:08,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:36:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:36:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:08,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:08,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:08,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:36:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:08,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:08,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:08,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:36:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:36:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:08,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:36:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:08,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:09,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:09,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:36:09,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 06:36:09,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:09,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:36:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:36:09,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861580872] [2020-10-29 06:36:09,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:09,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:09,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384078960] [2020-10-29 06:36:09,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:09,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:09,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:09,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:09,131 INFO L87 Difference]: Start difference. First operand 1050 states and 1314 transitions. Second operand 7 states. [2020-10-29 06:36:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:11,401 INFO L93 Difference]: Finished difference Result 2291 states and 3100 transitions. [2020-10-29 06:36:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:36:11,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-29 06:36:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:11,412 INFO L225 Difference]: With dead ends: 2291 [2020-10-29 06:36:11,413 INFO L226 Difference]: Without dead ends: 1390 [2020-10-29 06:36:11,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:36:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2020-10-29 06:36:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1209. [2020-10-29 06:36:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-29 06:36:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1494 transitions. [2020-10-29 06:36:11,475 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1494 transitions. Word has length 211 [2020-10-29 06:36:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:11,476 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 1494 transitions. [2020-10-29 06:36:11,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1494 transitions. [2020-10-29 06:36:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-29 06:36:11,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:11,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-29 06:36:11,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:36:11,483 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:11,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:11,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1321785272, now seen corresponding path program 1 times [2020-10-29 06:36:11,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:11,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345258456] [2020-10-29 06:36:11,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:11,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:12,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:12,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-29 06:36:12,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:36:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1115 [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:36:12,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:12,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:12,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:36:12,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:12,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:12,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:36:12,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:36:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:12,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:36:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:12,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:13,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:13,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:36:13,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:13,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 06:36:13,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:13,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:13,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:36:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 35 [2020-10-29 06:36:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:36:13,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345258456] [2020-10-29 06:36:13,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:13,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:13,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923047179] [2020-10-29 06:36:13,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:13,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:13,175 INFO L87 Difference]: Start difference. First operand 1209 states and 1494 transitions. Second operand 7 states. [2020-10-29 06:36:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:16,064 INFO L93 Difference]: Finished difference Result 3292 states and 4171 transitions. [2020-10-29 06:36:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:36:16,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-29 06:36:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:16,078 INFO L225 Difference]: With dead ends: 3292 [2020-10-29 06:36:16,078 INFO L226 Difference]: Without dead ends: 1642 [2020-10-29 06:36:16,083 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 06:36:16,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2020-10-29 06:36:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1203. [2020-10-29 06:36:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-10-29 06:36:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1442 transitions. [2020-10-29 06:36:16,136 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1442 transitions. Word has length 220 [2020-10-29 06:36:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:16,136 INFO L481 AbstractCegarLoop]: Abstraction has 1203 states and 1442 transitions. [2020-10-29 06:36:16,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1442 transitions. [2020-10-29 06:36:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-29 06:36:16,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:16,142 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-29 06:36:16,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:36:16,142 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:16,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:16,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1822513920, now seen corresponding path program 1 times [2020-10-29 06:36:16,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:16,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696870237] [2020-10-29 06:36:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:17,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:17,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-29 06:36:17,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:17,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463 [2020-10-29 06:36:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:17,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:36:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:36:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:17,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:17,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:17,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:36:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:17,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:17,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:17,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:36:17,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 06:36:17,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:17,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:17,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:36:17,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:36:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:18,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:18,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:36:18,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 06:36:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:18,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:36:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:36:18,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696870237] [2020-10-29 06:36:18,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:18,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:18,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854208681] [2020-10-29 06:36:18,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:18,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:18,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:18,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:18,324 INFO L87 Difference]: Start difference. First operand 1203 states and 1442 transitions. Second operand 7 states. [2020-10-29 06:36:20,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:20,475 INFO L93 Difference]: Finished difference Result 2873 states and 3506 transitions. [2020-10-29 06:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:36:20,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-29 06:36:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:20,486 INFO L225 Difference]: With dead ends: 2873 [2020-10-29 06:36:20,486 INFO L226 Difference]: Without dead ends: 1819 [2020-10-29 06:36:20,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:36:20,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2020-10-29 06:36:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1807. [2020-10-29 06:36:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2020-10-29 06:36:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2133 transitions. [2020-10-29 06:36:20,546 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2133 transitions. Word has length 256 [2020-10-29 06:36:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:20,547 INFO L481 AbstractCegarLoop]: Abstraction has 1807 states and 2133 transitions. [2020-10-29 06:36:20,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2133 transitions. [2020-10-29 06:36:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-29 06:36:20,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:20,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-29 06:36:20,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:36:20,555 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:20,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:20,555 INFO L82 PathProgramCache]: Analyzing trace with hash 984223660, now seen corresponding path program 1 times [2020-10-29 06:36:20,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:20,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262523641] [2020-10-29 06:36:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:20,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:21,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:21,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-29 06:36:21,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:21,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-29 06:36:21,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:21,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:21,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-29 06:36:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:36:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:21,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:21,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:21,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:21,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:21,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:36:21,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:21,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:21,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:21,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:21,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:36:21,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:36:21,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:21,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:36:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:21,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:21,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:21,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:36:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-29 06:36:21,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262523641] [2020-10-29 06:36:21,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:21,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:36:21,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118245726] [2020-10-29 06:36:21,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:36:21,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:21,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:36:21,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:36:21,480 INFO L87 Difference]: Start difference. First operand 1807 states and 2133 transitions. Second operand 5 states. [2020-10-29 06:36:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:23,068 INFO L93 Difference]: Finished difference Result 3755 states and 4474 transitions. [2020-10-29 06:36:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:36:23,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-10-29 06:36:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:23,081 INFO L225 Difference]: With dead ends: 3755 [2020-10-29 06:36:23,081 INFO L226 Difference]: Without dead ends: 2097 [2020-10-29 06:36:23,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:36:23,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2020-10-29 06:36:23,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2093. [2020-10-29 06:36:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-10-29 06:36:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2449 transitions. [2020-10-29 06:36:23,149 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2449 transitions. Word has length 278 [2020-10-29 06:36:23,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:23,150 INFO L481 AbstractCegarLoop]: Abstraction has 2093 states and 2449 transitions. [2020-10-29 06:36:23,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:36:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2449 transitions. [2020-10-29 06:36:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-29 06:36:23,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:23,161 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:36:23,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:36:23,161 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:23,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2033553308, now seen corresponding path program 1 times [2020-10-29 06:36:23,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:23,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498686824] [2020-10-29 06:36:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:23,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:23,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:24,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:28,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-29 06:36:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:36:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:36:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:28,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:28,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:28,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:28,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:28,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:28,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:28,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:36:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:28,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:28,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:36:28,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:36:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-29 06:36:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:28,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:28,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:28,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:36:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:28,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-29 06:36:28,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:28,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:36:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-29 06:36:29,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498686824] [2020-10-29 06:36:29,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:29,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:29,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332997776] [2020-10-29 06:36:29,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:29,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:29,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:29,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:29,151 INFO L87 Difference]: Start difference. First operand 2093 states and 2449 transitions. Second operand 7 states. [2020-10-29 06:36:31,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:31,503 INFO L93 Difference]: Finished difference Result 4484 states and 5302 transitions. [2020-10-29 06:36:31,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:36:31,504 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2020-10-29 06:36:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:31,516 INFO L225 Difference]: With dead ends: 4484 [2020-10-29 06:36:31,517 INFO L226 Difference]: Without dead ends: 2540 [2020-10-29 06:36:31,522 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 06:36:31,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2020-10-29 06:36:31,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2532. [2020-10-29 06:36:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2532 states. [2020-10-29 06:36:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 2952 transitions. [2020-10-29 06:36:31,595 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 2952 transitions. Word has length 371 [2020-10-29 06:36:31,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:31,596 INFO L481 AbstractCegarLoop]: Abstraction has 2532 states and 2952 transitions. [2020-10-29 06:36:31,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2952 transitions. [2020-10-29 06:36:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-29 06:36:31,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:31,608 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:36:31,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:36:31,609 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:31,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1759036936, now seen corresponding path program 1 times [2020-10-29 06:36:31,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:31,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816374794] [2020-10-29 06:36:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-29 06:36:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:36:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3451 [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 06:36:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:35,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:35,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:35,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:35,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:35,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:35,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:35,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:36:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:35,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:36:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:36:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-29 06:36:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:35,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:35,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:35,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:36:35,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:35,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 06:36:35,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:35,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:36:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:35,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 244 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:36:36,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816374794] [2020-10-29 06:36:36,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:36,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:36,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738638871] [2020-10-29 06:36:36,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:36,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:36,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:36,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:36,041 INFO L87 Difference]: Start difference. First operand 2532 states and 2952 transitions. Second operand 7 states. [2020-10-29 06:36:40,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:40,478 INFO L93 Difference]: Finished difference Result 4929 states and 5776 transitions. [2020-10-29 06:36:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:36:40,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 381 [2020-10-29 06:36:40,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:40,492 INFO L225 Difference]: With dead ends: 4929 [2020-10-29 06:36:40,492 INFO L226 Difference]: Without dead ends: 2546 [2020-10-29 06:36:40,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:36:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2020-10-29 06:36:40,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2532. [2020-10-29 06:36:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2532 states. [2020-10-29 06:36:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 2935 transitions. [2020-10-29 06:36:40,577 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 2935 transitions. Word has length 381 [2020-10-29 06:36:40,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:40,578 INFO L481 AbstractCegarLoop]: Abstraction has 2532 states and 2935 transitions. [2020-10-29 06:36:40,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2935 transitions. [2020-10-29 06:36:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-10-29 06:36:40,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:40,590 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 06:36:40,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:36:40,590 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:40,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:40,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1693710696, now seen corresponding path program 1 times [2020-10-29 06:36:40,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:40,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419909125] [2020-10-29 06:36:40,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:40,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:41,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1239 [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-29 06:36:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:36:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:42,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:42,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:42,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:36:42,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:42,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:42,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:42,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:42,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:36:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:42,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:42,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:42,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:36:42,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:42,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:36:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:42,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:42,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:42,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:36:42,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:36:42,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 159 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-29 06:36:42,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419909125] [2020-10-29 06:36:42,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:42,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:36:42,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163663269] [2020-10-29 06:36:42,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:36:42,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:42,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:36:42,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:36:42,634 INFO L87 Difference]: Start difference. First operand 2532 states and 2935 transitions. Second operand 5 states. [2020-10-29 06:36:44,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:44,422 INFO L93 Difference]: Finished difference Result 5352 states and 6378 transitions. [2020-10-29 06:36:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:36:44,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 385 [2020-10-29 06:36:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:44,439 INFO L225 Difference]: With dead ends: 5352 [2020-10-29 06:36:44,439 INFO L226 Difference]: Without dead ends: 2969 [2020-10-29 06:36:44,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:36:44,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-29 06:36:44,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2822. [2020-10-29 06:36:44,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2822 states. [2020-10-29 06:36:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 3274 transitions. [2020-10-29 06:36:44,551 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 3274 transitions. Word has length 385 [2020-10-29 06:36:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:44,552 INFO L481 AbstractCegarLoop]: Abstraction has 2822 states and 3274 transitions. [2020-10-29 06:36:44,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:36:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3274 transitions. [2020-10-29 06:36:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-10-29 06:36:44,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:44,570 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 06:36:44,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:36:44,570 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:44,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2029947700, now seen corresponding path program 1 times [2020-10-29 06:36:44,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:44,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908337298] [2020-10-29 06:36:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:44,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:46,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:46,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2300 [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:36:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 06:36:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:47,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:47,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:47,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:36:47,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:47,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:47,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:36:47,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:47,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:36:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:47,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:47,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:36:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:36:47,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:47,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:36:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:47,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:36:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:47,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:47,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:36:47,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:36:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 355 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 06:36:47,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908337298] [2020-10-29 06:36:47,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:47,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:47,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84108972] [2020-10-29 06:36:47,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:47,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:47,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:47,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:47,746 INFO L87 Difference]: Start difference. First operand 2822 states and 3274 transitions. Second operand 7 states. [2020-10-29 06:36:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:50,312 INFO L93 Difference]: Finished difference Result 6512 states and 7653 transitions. [2020-10-29 06:36:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:36:50,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 386 [2020-10-29 06:36:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:50,330 INFO L225 Difference]: With dead ends: 6512 [2020-10-29 06:36:50,330 INFO L226 Difference]: Without dead ends: 3839 [2020-10-29 06:36:50,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:36:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2020-10-29 06:36:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3551. [2020-10-29 06:36:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3551 states. [2020-10-29 06:36:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3551 states and 4176 transitions. [2020-10-29 06:36:50,443 INFO L78 Accepts]: Start accepts. Automaton has 3551 states and 4176 transitions. Word has length 386 [2020-10-29 06:36:50,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:50,445 INFO L481 AbstractCegarLoop]: Abstraction has 3551 states and 4176 transitions. [2020-10-29 06:36:50,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:36:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3551 states and 4176 transitions. [2020-10-29 06:36:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-29 06:36:50,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:50,456 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 06:36:50,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:36:50,456 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:50,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:50,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2109485504, now seen corresponding path program 1 times [2020-10-29 06:36:50,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:50,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547038426] [2020-10-29 06:36:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:50,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:51,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:36:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:36:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:51,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:51,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:51,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:51,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:36:51,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:51,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:51,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:51,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:51,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 06:36:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:51,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:51,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:36:51,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-29 06:36:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:51,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:51,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:36:51,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 06:36:51,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:51,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 06:36:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 159 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-29 06:36:52,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547038426] [2020-10-29 06:36:52,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:52,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:36:52,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478918413] [2020-10-29 06:36:52,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:36:52,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:52,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:36:52,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:36:52,166 INFO L87 Difference]: Start difference. First operand 3551 states and 4176 transitions. Second operand 6 states. [2020-10-29 06:36:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:36:54,623 INFO L93 Difference]: Finished difference Result 6953 states and 8195 transitions. [2020-10-29 06:36:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:36:54,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 400 [2020-10-29 06:36:54,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:36:54,640 INFO L225 Difference]: With dead ends: 6953 [2020-10-29 06:36:54,640 INFO L226 Difference]: Without dead ends: 3551 [2020-10-29 06:36:54,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:36:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-10-29 06:36:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 3406. [2020-10-29 06:36:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3406 states. [2020-10-29 06:36:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3406 states and 3824 transitions. [2020-10-29 06:36:54,739 INFO L78 Accepts]: Start accepts. Automaton has 3406 states and 3824 transitions. Word has length 400 [2020-10-29 06:36:54,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:36:54,740 INFO L481 AbstractCegarLoop]: Abstraction has 3406 states and 3824 transitions. [2020-10-29 06:36:54,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:36:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 3824 transitions. [2020-10-29 06:36:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-10-29 06:36:54,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:36:54,750 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:36:54,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:36:54,751 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:36:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:36:54,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1470142564, now seen corresponding path program 1 times [2020-10-29 06:36:54,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:36:54,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845948504] [2020-10-29 06:36:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:36:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:57,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:57,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 441 [2020-10-29 06:36:57,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:36:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2385 [2020-10-29 06:36:57,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:57,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-29 06:36:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 06:36:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:57,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:36:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:57,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:57,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:36:57,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:36:57,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:57,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:57,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:57,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:36:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:57,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:57,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:36:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 06:36:57,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:57,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:36:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:36:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:36:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:57,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:57,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:36:57,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:36:57,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:57,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:36:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:36:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:36:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:57,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-29 06:36:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:36:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:36:57,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:36:57,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:36:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:36:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-29 06:36:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:36:57,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:36:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:36:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:36:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:36:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:36:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-29 06:36:58,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845948504] [2020-10-29 06:36:58,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:36:58,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:36:58,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978967348] [2020-10-29 06:36:58,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:36:58,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:36:58,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:36:58,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:36:58,099 INFO L87 Difference]: Start difference. First operand 3406 states and 3824 transitions. Second operand 7 states. [2020-10-29 06:37:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:37:00,347 INFO L93 Difference]: Finished difference Result 6963 states and 7856 transitions. [2020-10-29 06:37:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:37:00,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 425 [2020-10-29 06:37:00,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:37:00,373 INFO L225 Difference]: With dead ends: 6963 [2020-10-29 06:37:00,373 INFO L226 Difference]: Without dead ends: 3706 [2020-10-29 06:37:00,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:37:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2020-10-29 06:37:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3555. [2020-10-29 06:37:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3555 states. [2020-10-29 06:37:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 3982 transitions. [2020-10-29 06:37:00,490 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 3982 transitions. Word has length 425 [2020-10-29 06:37:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:37:00,491 INFO L481 AbstractCegarLoop]: Abstraction has 3555 states and 3982 transitions. [2020-10-29 06:37:00,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:37:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 3982 transitions. [2020-10-29 06:37:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-10-29 06:37:00,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:37:00,504 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:37:00,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:37:00,504 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:37:00,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:37:00,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1336816404, now seen corresponding path program 1 times [2020-10-29 06:37:00,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:37:00,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58112989] [2020-10-29 06:37:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:37:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:37:00,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 474 [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:37:01,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:37:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:37:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-29 06:37:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 06:37:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:37:01,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:37:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:37:01,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:37:01,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:37:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:37:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:37:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:37:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:37:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:37:01,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:37:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 06:37:01,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:37:01,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:37:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:37:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:37:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:37:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:37:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:37:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:37:01,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:37:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:37:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:37:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:37:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:37:01,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-29 06:37:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:37:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:37:01,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:37:01,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:37:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:37:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:37:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 159 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-29 06:37:02,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58112989] [2020-10-29 06:37:02,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:37:02,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:37:02,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101775951] [2020-10-29 06:37:02,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:37:02,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:37:02,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:37:02,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:37:02,080 INFO L87 Difference]: Start difference. First operand 3555 states and 3982 transitions. Second operand 5 states. [2020-10-29 06:37:04,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:37:04,011 INFO L93 Difference]: Finished difference Result 7101 states and 7955 transitions. [2020-10-29 06:37:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:37:04,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 458 [2020-10-29 06:37:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:37:04,013 INFO L225 Difference]: With dead ends: 7101 [2020-10-29 06:37:04,013 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:37:04,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:37:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:37:04,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:37:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:37:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:37:04,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 458 [2020-10-29 06:37:04,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:37:04,029 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:37:04,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:37:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:37:04,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:37:04,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:37:04,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:37:04,291 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 140 [2020-10-29 06:37:05,038 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 140 [2020-10-29 06:37:05,366 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2020-10-29 06:37:06,213 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 44 [2020-10-29 06:37:06,497 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-10-29 06:37:06,734 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2020-10-29 06:37:06,739 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:37:06,739 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:37:06,739 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:37:06,739 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:37:06,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:37:06,740 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 06:37:06,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:37:06,740 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:37:06,740 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:37:06,740 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:37:06,741 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:37:06,742 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:37:06,743 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:37:06,744 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:37:06,745 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:37:06,746 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:37:06,747 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,748 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:37:06,749 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:37:06,750 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,751 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,751 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,751 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,751 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:37:06,752 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,753 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (= 0 |old(~a10~0)|)))) (and (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse0 .cse1 (not (= 10 |old(~a19~0)|))) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse0 .cse1) (or .cse0 (not (<= 3 |old(~a10~0)|))) (or (not (<= (+ |old(~a1~0)| 551894) 0)) .cse0 .cse1))) [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:37:06,754 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,755 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:37:06,756 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:37:06,757 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L270 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~a10~0)|)))) (and (or .cse0 (not (= 10 |old(~a19~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse0) (not (= |old(~a10~0)| 1)) (or (not (<= (+ |old(~a1~0)| 551894) 0)) .cse0) (not (<= 3 |old(~a10~0)|)) (not (= 2 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|)))) [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,758 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-29 06:37:06,759 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:37:06,759 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:37:06,759 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-29 06:37:06,760 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:37:06,760 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (or (= ~a19~0 8) (<= 3 ~a10~0) (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 0 |old(~a10~0)|)) (and .cse0 (= ~a19~0 10)) (and .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 551894) 0)) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:37:06,760 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:37:06,762 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:37:06,762 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (or (= ~a19~0 8) (<= 3 ~a10~0) (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 0 |old(~a10~0)|)) (and .cse0 (= ~a19~0 10)) (and .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 551894) 0)) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:37:06,762 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:37:06,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:37:06 BoogieIcfgContainer [2020-10-29 06:37:06,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:37:06,787 INFO L168 Benchmark]: Toolchain (without parser) took 75346.12 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 124.0 MB in the beginning and 496.9 MB in the end (delta: -372.9 MB). Peak memory consumption was 637.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:37:06,788 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:37:06,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.09 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 129.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:37:06,789 INFO L168 Benchmark]: Boogie Preprocessor took 110.16 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:37:06,790 INFO L168 Benchmark]: RCFGBuilder took 1622.08 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 104.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:37:06,791 INFO L168 Benchmark]: TraceAbstraction took 72681.61 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 104.1 MB in the beginning and 496.9 MB in the end (delta: -392.7 MB). Peak memory consumption was 617.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:37:06,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 920.09 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 129.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.16 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1622.08 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 104.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 72681.61 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 104.1 MB in the beginning and 496.9 MB in the end (delta: -392.7 MB). Peak memory consumption was 617.6 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 || 3 <= a10) || a10 == 1) || !(9 == \old(a19))) || a10 == 2) || !(0 == \old(a10))) || (a10 == 0 && a19 == 10)) || (a10 == 0 && a19 == \old(a19))) || (a10 == 0 && a1 + 551894 <= 0)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 69.7s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 430 SDtfs, 5358 SDslu, 462 SDs, 0 SdLazy, 14387 SolverSat, 1622 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 24.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3555occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 1423 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 421 PreInvPairs, 479 NumberOfFragments, 358 HoareAnnotationTreeSize, 421 FomulaSimplifications, 20513 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4700 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 30.8s InterpolantComputationTime, 4243 NumberOfCodeBlocks, 4243 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4228 ConstructedInterpolants, 0 QuantifiedInterpolants, 2752217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 4002/4113 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...