/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/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:44:58,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:44:58,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:44:58,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:44:58,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:44:58,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:44:58,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:44:58,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:44:58,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:44:58,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:44:58,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:44:58,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:44:58,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:44:58,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:44:58,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:44:58,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:44:58,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:44:58,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:44:58,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:44:58,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:44:58,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:44:58,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:44:58,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:44:58,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:44:58,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:44:58,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:44:58,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:44:58,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:44:58,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:44:58,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:44:58,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:44:58,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:44:58,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:44:58,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:44:58,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:44:58,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:44:58,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:44:58,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:44:58,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:44:58,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:44:58,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:44:58,868 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 06:44:58,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:44:58,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:44:58,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:44:58,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:44:58,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:44:58,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:44:58,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:44:58,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:44:58,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:44:58,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:44:58,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:44:58,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:44:58,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:44:58,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:44:58,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:44:58,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:44:58,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:44:58,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:44:58,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:44:58,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:44:58,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:44:58,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:44:58,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:44:58,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:44:58,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:44:58,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:44:58,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:44:58,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:44:58,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:44:58,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:44:59,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:44:59,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:44:59,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:44:59,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:44:59,410 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:44:59,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-29 06:44:59,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8844b627/8e8bc4cc0e884bb195afb7a7244eb887/FLAGd4074cba2 [2020-10-29 06:45:00,220 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:45:00,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-29 06:45:00,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8844b627/8e8bc4cc0e884bb195afb7a7244eb887/FLAGd4074cba2 [2020-10-29 06:45:00,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8844b627/8e8bc4cc0e884bb195afb7a7244eb887 [2020-10-29 06:45:00,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:45:00,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:45:00,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:45:00,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:45:00,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:45:00,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:00" (1/1) ... [2020-10-29 06:45:00,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e53070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:00, skipping insertion in model container [2020-10-29 06:45:00,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:00" (1/1) ... [2020-10-29 06:45:00,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:45:00,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:45:01,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:45:01,204 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:45:01,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:45:01,385 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:45:01,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01 WrapperNode [2020-10-29 06:45:01,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:45:01,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:45:01,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:45:01,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:45:01,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (1/1) ... [2020-10-29 06:45:01,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:45:01,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:45:01,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:45:01,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:45:01,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (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 06:45:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:45:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:45:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:45:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:45:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:45:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:45:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:45:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:45:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:45:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:45:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:45:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:45:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:45:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:45:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:45:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:45:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:45:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:45:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:45:03,756 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:45:03,757 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:45:03,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:03 BoogieIcfgContainer [2020-10-29 06:45:03,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:45:03,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:45:03,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:45:03,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:45:03,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:45:00" (1/3) ... [2020-10-29 06:45:03,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1d6434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:03, skipping insertion in model container [2020-10-29 06:45:03,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:01" (2/3) ... [2020-10-29 06:45:03,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1d6434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:03, skipping insertion in model container [2020-10-29 06:45:03,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:03" (3/3) ... [2020-10-29 06:45:03,770 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-10-29 06:45:03,783 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:45:03,789 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:45:03,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:45:03,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:45:03,835 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:45:03,835 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:45:03,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:45:03,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:45:03,836 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:45:03,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:45:03,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:45:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:45:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 06:45:03,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:03,870 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] [2020-10-29 06:45:03,871 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:03,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:03,877 INFO L82 PathProgramCache]: Analyzing trace with hash 559581990, now seen corresponding path program 1 times [2020-10-29 06:45:03,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:03,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011011986] [2020-10-29 06:45:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:04,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:04,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:04,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 06:45:04,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:04,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-29 06:45:04,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:04,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 06:45:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:45:04,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:04,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:05,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:05,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:05,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:45:05,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:05,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:05,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:05,032 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 06:45:05,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011011986] [2020-10-29 06:45:05,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:05,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:45:05,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707494754] [2020-10-29 06:45:05,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:45:05,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:05,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:45:05,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:45:05,065 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:45:05,282 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:45:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:08,093 INFO L93 Difference]: Finished difference Result 804 states and 1407 transitions. [2020-10-29 06:45:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:08,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-29 06:45:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:08,128 INFO L225 Difference]: With dead ends: 804 [2020-10-29 06:45:08,128 INFO L226 Difference]: Without dead ends: 444 [2020-10-29 06:45:08,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:08,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-29 06:45:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2020-10-29 06:45:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-29 06:45:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2020-10-29 06:45:08,263 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 41 [2020-10-29 06:45:08,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:08,264 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2020-10-29 06:45:08,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:45:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2020-10-29 06:45:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 06:45:08,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:08,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:08,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:45:08,271 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:08,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:08,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2110084647, now seen corresponding path program 1 times [2020-10-29 06:45:08,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:08,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632193893] [2020-10-29 06:45:08,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:09,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:09,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:45:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1473 [2020-10-29 06:45:09,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:09,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:45:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:10,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:10,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:10,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 06:45:10,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:10,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:10,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:10,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:10,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:45:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 06:45:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:10,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632193893] [2020-10-29 06:45:10,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:10,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:10,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684006375] [2020-10-29 06:45:10,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:10,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:10,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:10,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:10,431 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand 7 states. [2020-10-29 06:45:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:14,041 INFO L93 Difference]: Finished difference Result 1276 states and 1966 transitions. [2020-10-29 06:45:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:45:14,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-29 06:45:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:14,051 INFO L225 Difference]: With dead ends: 1276 [2020-10-29 06:45:14,051 INFO L226 Difference]: Without dead ends: 852 [2020-10-29 06:45:14,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-29 06:45:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 832. [2020-10-29 06:45:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-29 06:45:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1143 transitions. [2020-10-29 06:45:14,127 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1143 transitions. Word has length 111 [2020-10-29 06:45:14,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:14,130 INFO L481 AbstractCegarLoop]: Abstraction has 832 states and 1143 transitions. [2020-10-29 06:45:14,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1143 transitions. [2020-10-29 06:45:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-29 06:45:14,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:14,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:14,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:45:14,145 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:14,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash -395239505, now seen corresponding path program 1 times [2020-10-29 06:45:14,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:14,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279380172] [2020-10-29 06:45:14,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:14,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:14,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:16,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2220 [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:45:16,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:16,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:16,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:16,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:16,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:16,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:45:16,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:16,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:16,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:16,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:16,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:16,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:45:16,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:16,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:45:16,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:16,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279380172] [2020-10-29 06:45:16,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:16,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:16,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671668539] [2020-10-29 06:45:16,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:16,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:16,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:16,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:16,999 INFO L87 Difference]: Start difference. First operand 832 states and 1143 transitions. Second operand 7 states. [2020-10-29 06:45:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:20,400 INFO L93 Difference]: Finished difference Result 2075 states and 2826 transitions. [2020-10-29 06:45:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:20,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-29 06:45:20,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:20,409 INFO L225 Difference]: With dead ends: 2075 [2020-10-29 06:45:20,409 INFO L226 Difference]: Without dead ends: 1249 [2020-10-29 06:45:20,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2020-10-29 06:45:20,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1216. [2020-10-29 06:45:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2020-10-29 06:45:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1559 transitions. [2020-10-29 06:45:20,495 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1559 transitions. Word has length 115 [2020-10-29 06:45:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:20,495 INFO L481 AbstractCegarLoop]: Abstraction has 1216 states and 1559 transitions. [2020-10-29 06:45:20,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1559 transitions. [2020-10-29 06:45:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-29 06:45:20,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:20,499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:20,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:45:20,499 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:20,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:20,500 INFO L82 PathProgramCache]: Analyzing trace with hash -755724174, now seen corresponding path program 1 times [2020-10-29 06:45:20,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:20,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481816315] [2020-10-29 06:45:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:20,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:20,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:20,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 06:45:20,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-29 06:45:20,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:20,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:45:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 06:45:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:21,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:21,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:21,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:45:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:21,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481816315] [2020-10-29 06:45:21,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:21,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:21,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781737003] [2020-10-29 06:45:21,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:21,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:21,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:21,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:21,366 INFO L87 Difference]: Start difference. First operand 1216 states and 1559 transitions. Second operand 5 states. [2020-10-29 06:45:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:24,067 INFO L93 Difference]: Finished difference Result 3020 states and 4078 transitions. [2020-10-29 06:45:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:24,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-29 06:45:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:24,083 INFO L225 Difference]: With dead ends: 3020 [2020-10-29 06:45:24,084 INFO L226 Difference]: Without dead ends: 1998 [2020-10-29 06:45:24,089 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 06:45:24,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-29 06:45:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1993. [2020-10-29 06:45:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1993 states. [2020-10-29 06:45:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2649 transitions. [2020-10-29 06:45:24,189 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2649 transitions. Word has length 172 [2020-10-29 06:45:24,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:24,192 INFO L481 AbstractCegarLoop]: Abstraction has 1993 states and 2649 transitions. [2020-10-29 06:45:24,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2649 transitions. [2020-10-29 06:45:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-29 06:45:24,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:24,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:45:24,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:45:24,202 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:24,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash -453075238, now seen corresponding path program 1 times [2020-10-29 06:45:24,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:24,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27301859] [2020-10-29 06:45:24,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 06:45:26,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2307 [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:45:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:45:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:26,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:26,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:26,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:26,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:45:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:45:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:27,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:27,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:45:27,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:27,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-29 06:45:27,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:27,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:45:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:45:27,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27301859] [2020-10-29 06:45:27,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:27,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:45:27,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627211800] [2020-10-29 06:45:27,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:27,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:27,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:27,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:27,351 INFO L87 Difference]: Start difference. First operand 1993 states and 2649 transitions. Second operand 7 states. [2020-10-29 06:45:30,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:30,873 INFO L93 Difference]: Finished difference Result 4802 states and 6537 transitions. [2020-10-29 06:45:30,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:30,879 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-29 06:45:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:30,897 INFO L225 Difference]: With dead ends: 4802 [2020-10-29 06:45:30,897 INFO L226 Difference]: Without dead ends: 3003 [2020-10-29 06:45:30,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2020-10-29 06:45:30,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 2793. [2020-10-29 06:45:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2793 states. [2020-10-29 06:45:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3599 transitions. [2020-10-29 06:45:31,048 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3599 transitions. Word has length 231 [2020-10-29 06:45:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:31,049 INFO L481 AbstractCegarLoop]: Abstraction has 2793 states and 3599 transitions. [2020-10-29 06:45:31,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3599 transitions. [2020-10-29 06:45:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-29 06:45:31,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:31,055 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:31,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:45:31,056 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:31,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1616048914, now seen corresponding path program 1 times [2020-10-29 06:45:31,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:31,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132045016] [2020-10-29 06:45:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:31,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:31,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-29 06:45:32,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 879 [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:45:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 06:45:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:32,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:32,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:32,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:32,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:32,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:32,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 06:45:32,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:32,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:32,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:45:32,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:32,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 06:45:32,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:45:32,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:45:32,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132045016] [2020-10-29 06:45:32,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:32,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:32,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576520699] [2020-10-29 06:45:32,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:32,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:32,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:32,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:32,568 INFO L87 Difference]: Start difference. First operand 2793 states and 3599 transitions. Second operand 5 states. [2020-10-29 06:45:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:35,682 INFO L93 Difference]: Finished difference Result 6757 states and 8915 transitions. [2020-10-29 06:45:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:35,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-29 06:45:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:35,709 INFO L225 Difference]: With dead ends: 6757 [2020-10-29 06:45:35,709 INFO L226 Difference]: Without dead ends: 3970 [2020-10-29 06:45:35,718 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 06:45:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3970 states. [2020-10-29 06:45:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3970 to 3761. [2020-10-29 06:45:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3761 states. [2020-10-29 06:45:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 4826 transitions. [2020-10-29 06:45:35,841 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 4826 transitions. Word has length 241 [2020-10-29 06:45:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:35,842 INFO L481 AbstractCegarLoop]: Abstraction has 3761 states and 4826 transitions. [2020-10-29 06:45:35,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 4826 transitions. [2020-10-29 06:45:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-29 06:45:35,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:35,850 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:35,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:45:35,851 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:35,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:35,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1494240226, now seen corresponding path program 1 times [2020-10-29 06:45:35,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:35,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716733355] [2020-10-29 06:45:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:35,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:36,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:36,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:36,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-29 06:45:36,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 06:45:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:37,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:37,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:37,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:37,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:37,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:45:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:37,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:45:37,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 06:45:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:37,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:45:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 06:45:37,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716733355] [2020-10-29 06:45:37,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:37,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:45:37,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608294670] [2020-10-29 06:45:37,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:45:37,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:37,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:45:37,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:45:37,601 INFO L87 Difference]: Start difference. First operand 3761 states and 4826 transitions. Second operand 6 states. [2020-10-29 06:45:41,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:41,746 INFO L93 Difference]: Finished difference Result 9836 states and 13412 transitions. [2020-10-29 06:45:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:45:41,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2020-10-29 06:45:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:41,791 INFO L225 Difference]: With dead ends: 9836 [2020-10-29 06:45:41,791 INFO L226 Difference]: Without dead ends: 6081 [2020-10-29 06:45:41,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:45:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6081 states. [2020-10-29 06:45:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6081 to 6070. [2020-10-29 06:45:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6070 states. [2020-10-29 06:45:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 7939 transitions. [2020-10-29 06:45:42,007 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 7939 transitions. Word has length 268 [2020-10-29 06:45:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:42,008 INFO L481 AbstractCegarLoop]: Abstraction has 6070 states and 7939 transitions. [2020-10-29 06:45:42,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:45:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 7939 transitions. [2020-10-29 06:45:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-29 06:45:42,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:42,027 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:42,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:45:42,028 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:42,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2048703330, now seen corresponding path program 1 times [2020-10-29 06:45:42,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:42,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729297838] [2020-10-29 06:45:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:44,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2785 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:45:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-29 06:45:44,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:45,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 06:45:45,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:45:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 06:45:45,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-29 06:45:45,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-29 06:45:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:45:45,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729297838] [2020-10-29 06:45:45,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:45,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:45:45,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542697260] [2020-10-29 06:45:45,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:45,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:45,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:45,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:45,950 INFO L87 Difference]: Start difference. First operand 6070 states and 7939 transitions. Second operand 7 states. [2020-10-29 06:45:49,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:49,496 INFO L93 Difference]: Finished difference Result 13721 states and 18324 transitions. [2020-10-29 06:45:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:49,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-29 06:45:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:49,545 INFO L225 Difference]: With dead ends: 13721 [2020-10-29 06:45:49,546 INFO L226 Difference]: Without dead ends: 7657 [2020-10-29 06:45:49,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7657 states. [2020-10-29 06:45:49,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7657 to 7631. [2020-10-29 06:45:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7631 states. [2020-10-29 06:45:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7631 states to 7631 states and 9898 transitions. [2020-10-29 06:45:49,786 INFO L78 Accepts]: Start accepts. Automaton has 7631 states and 9898 transitions. Word has length 333 [2020-10-29 06:45:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:49,787 INFO L481 AbstractCegarLoop]: Abstraction has 7631 states and 9898 transitions. [2020-10-29 06:45:49,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7631 states and 9898 transitions. [2020-10-29 06:45:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-29 06:45:49,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:49,805 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 06:45:49,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:45:49,806 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:49,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:49,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1657932809, now seen corresponding path program 1 times [2020-10-29 06:45:49,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:49,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680881051] [2020-10-29 06:45:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:50,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:54,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:54,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-29 06:45:54,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-29 06:45:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:55,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:55,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:55,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 06:45:55,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:55,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:55,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:45:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-29 06:45:55,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:55,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:45:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:45:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:45:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:55,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:45:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-29 06:45:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:56,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:56,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 06:45:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 101 proven. 179 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 06:45:56,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680881051] [2020-10-29 06:45:56,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:56,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 06:45:56,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843850096] [2020-10-29 06:45:56,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 06:45:56,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:56,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 06:45:56,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:45:56,480 INFO L87 Difference]: Start difference. First operand 7631 states and 9898 transitions. Second operand 10 states. [2020-10-29 06:45:58,471 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 06:46:00,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:00,924 INFO L93 Difference]: Finished difference Result 15379 states and 20269 transitions. [2020-10-29 06:46:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 06:46:00,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 347 [2020-10-29 06:46:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:00,975 INFO L225 Difference]: With dead ends: 15379 [2020-10-29 06:46:00,975 INFO L226 Difference]: Without dead ends: 7744 [2020-10-29 06:46:00,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-29 06:46:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7744 states. [2020-10-29 06:46:01,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7744 to 7666. [2020-10-29 06:46:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7666 states. [2020-10-29 06:46:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7666 states to 7666 states and 9964 transitions. [2020-10-29 06:46:01,205 INFO L78 Accepts]: Start accepts. Automaton has 7666 states and 9964 transitions. Word has length 347 [2020-10-29 06:46:01,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:01,205 INFO L481 AbstractCegarLoop]: Abstraction has 7666 states and 9964 transitions. [2020-10-29 06:46:01,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 06:46:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7666 states and 9964 transitions. [2020-10-29 06:46:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-29 06:46:01,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:01,223 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:01,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:46:01,223 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:01,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:01,224 INFO L82 PathProgramCache]: Analyzing trace with hash 181423717, now seen corresponding path program 1 times [2020-10-29 06:46:01,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:01,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207000656] [2020-10-29 06:46:01,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:01,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:05,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:06,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:06,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-10-29 06:46:06,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:46:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 06:46:06,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:06,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 06:46:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:46:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 317 [2020-10-29 06:46:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:06,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:06,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:06,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:46:06,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:06,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:46:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:06,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:06,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:06,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:06,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:06,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:46:06,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-29 06:46:06,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:06,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:46:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:06,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:46:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:46:07,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 06:46:07,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:46:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:46:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:07,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:46:07,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:07,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 06:46:07,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 06:46:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 278 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-29 06:46:07,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207000656] [2020-10-29 06:46:07,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:07,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:07,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22257885] [2020-10-29 06:46:07,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:07,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:07,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:07,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:07,641 INFO L87 Difference]: Start difference. First operand 7666 states and 9964 transitions. Second operand 7 states. [2020-10-29 06:46:10,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:10,918 INFO L93 Difference]: Finished difference Result 15504 states and 20610 transitions. [2020-10-29 06:46:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:46:10,920 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 348 [2020-10-29 06:46:10,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:10,954 INFO L225 Difference]: With dead ends: 15504 [2020-10-29 06:46:10,955 INFO L226 Difference]: Without dead ends: 7844 [2020-10-29 06:46:10,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:46:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2020-10-29 06:46:11,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 6688. [2020-10-29 06:46:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6688 states. [2020-10-29 06:46:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6688 states to 6688 states and 8667 transitions. [2020-10-29 06:46:11,240 INFO L78 Accepts]: Start accepts. Automaton has 6688 states and 8667 transitions. Word has length 348 [2020-10-29 06:46:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:11,241 INFO L481 AbstractCegarLoop]: Abstraction has 6688 states and 8667 transitions. [2020-10-29 06:46:11,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6688 states and 8667 transitions. [2020-10-29 06:46:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-29 06:46:11,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:11,266 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 06:46:11,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:46:11,267 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:11,268 INFO L82 PathProgramCache]: Analyzing trace with hash 145959498, now seen corresponding path program 1 times [2020-10-29 06:46:11,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:11,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392609356] [2020-10-29 06:46:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:12,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:15,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 433 [2020-10-29 06:46:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:46:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4076 [2020-10-29 06:46:15,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:15,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:46:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:46:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-29 06:46:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:15,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:15,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:15,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:15,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:15,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:15,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:15,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:15,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:46:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:46:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:16,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:16,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 06:46:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-29 06:46:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:16,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:16,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:46:16,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 06:46:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 260 proven. 65 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-29 06:46:16,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392609356] [2020-10-29 06:46:16,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:16,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:46:16,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722760005] [2020-10-29 06:46:16,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:46:16,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:16,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:46:16,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:16,527 INFO L87 Difference]: Start difference. First operand 6688 states and 8667 transitions. Second operand 6 states. [2020-10-29 06:46:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:19,334 INFO L93 Difference]: Finished difference Result 13473 states and 17909 transitions. [2020-10-29 06:46:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:46:19,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 417 [2020-10-29 06:46:19,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:19,338 INFO L225 Difference]: With dead ends: 13473 [2020-10-29 06:46:19,338 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:46:19,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:46:19,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:46:19,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:46:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:46:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:46:19,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 417 [2020-10-29 06:46:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:19,375 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:46:19,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:46:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:46:19,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:46:19,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:46:19,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:46:20,429 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 43 [2020-10-29 06:46:20,651 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 43 [2020-10-29 06:46:20,987 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2020-10-29 06:46:21,834 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-29 06:46:21,978 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2020-10-29 06:46:22,176 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2020-10-29 06:46:22,439 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 34 [2020-10-29 06:46:22,443 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:46:22,444 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:46:22,444 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:46:22,444 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:46:22,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:46:22,445 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)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#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)|)) [2020-10-29 06:46:22,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:46:22,445 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:46:22,446 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,447 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,448 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,449 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,449 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,449 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,449 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,449 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (= 11 |old(~a25~0)|))) (or .cse0 (not (<= |old(~a29~0)| 274))) (or .cse0 (not (= 12 |old(~a25~0)|)) (not (<= 97 |old(~a23~0)|))) (or .cse0 (not (<= |old(~a25~0)| 10))) (not (<= |old(~a4~0)| 0)) (or (not (<= 180 |old(~a23~0)|)) .cse0))) [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,450 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:46:22,451 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,452 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,454 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,454 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:46:22,454 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:46:22,454 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:46:22,454 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,455 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,455 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,455 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,455 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,456 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:46:22,457 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:46:22,458 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse2 (= ~a23~0 |old(~a23~0)|)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (= ~a4~0 |old(~a4~0)|))) (let ((.cse1 (and (= ~a25~0 |old(~a25~0)|) .cse2 .cse3 .cse4)) (.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (<= |old(~a29~0)| 274)) .cse1) (or (not (<= 180 |old(~a23~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= 11 |old(~a25~0)|))) (or .cse0 (not (<= |old(~a25~0)| 10)) .cse1) (or .cse1 (not (<= |old(~a4~0)| 0))) (or .cse0 (and .cse2 .cse3 (= ~a25~0 12) .cse4) (not (= 12 |old(~a25~0)|)) (not (<= 97 |old(~a23~0)|)))))) [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,459 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,460 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,461 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,462 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,463 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,464 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:46:22,465 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,466 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,467 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,468 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:46:22,469 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,470 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,470 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,470 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:46:22,471 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,472 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,473 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,474 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,474 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,475 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,476 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a29~0 130) (= ~a4~0 1)) [2020-10-29 06:46:22,477 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:46:22,477 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-10-29 06:46:22,477 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:46:22,478 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 11) .cse0) (<= ~a4~0 0) (and (<= ~a29~0 274) .cse0) (and (<= 180 ~a23~0) .cse0) (and (<= ~a25~0 10) .cse0) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= 97 ~a23~0) (= ~a25~0 12) .cse0))) [2020-10-29 06:46:22,478 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:46:22,478 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:46:22,478 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 11) .cse0) (<= ~a4~0 0) (and (<= ~a29~0 274) .cse0) (and (<= 180 ~a23~0) .cse0) (and (<= ~a25~0 10) .cse0) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= 97 ~a23~0) (= ~a25~0 12) .cse0))) [2020-10-29 06:46:22,478 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:46:22,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:46:22 BoogieIcfgContainer [2020-10-29 06:46:22,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:46:22,506 INFO L168 Benchmark]: Toolchain (without parser) took 82074.12 ms. Allocated memory was 158.3 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 130.5 MB in the beginning and 523.1 MB in the end (delta: -392.6 MB). Peak memory consumption was 635.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:22,509 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 158.3 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:46:22,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.33 ms. Allocated memory is still 158.3 MB. Free memory was 129.9 MB in the beginning and 120.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:22,513 INFO L168 Benchmark]: Boogie Preprocessor took 185.02 ms. Allocated memory is still 158.3 MB. Free memory was 120.5 MB in the beginning and 112.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:22,515 INFO L168 Benchmark]: RCFGBuilder took 2185.92 ms. Allocated memory was 158.3 MB in the beginning and 204.5 MB in the end (delta: 46.1 MB). Free memory was 112.6 MB in the beginning and 166.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:22,521 INFO L168 Benchmark]: TraceAbstraction took 78742.46 ms. Allocated memory was 204.5 MB in the beginning and 1.2 GB in the end (delta: 981.5 MB). Free memory was 166.4 MB in the beginning and 523.1 MB in the end (delta: -356.8 MB). Peak memory consumption was 624.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:22,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 158.3 MB. Free memory is still 130.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 947.33 ms. Allocated memory is still 158.3 MB. Free memory was 129.9 MB in the beginning and 120.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 185.02 ms. Allocated memory is still 158.3 MB. Free memory was 120.5 MB in the beginning and 112.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2185.92 ms. Allocated memory was 158.3 MB in the beginning and 204.5 MB in the end (delta: 46.1 MB). Free memory was 112.6 MB in the beginning and 166.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78742.46 ms. Allocated memory was 204.5 MB in the beginning and 1.2 GB in the end (delta: 981.5 MB). Free memory was 166.4 MB in the beginning and 523.1 MB in the end (delta: -356.8 MB). Peak memory consumption was 624.7 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: 1036]: Loop Invariant Derived loop invariant: ((((((((!(\old(a4) == 1) || !(\old(a25) <= 10)) || (a25 == 11 && a4 == 1)) || a4 <= 0) || (a29 <= 274 && a4 == 1)) || (180 <= a23 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || !(312 <= \old(a23))) || !(\old(a29) <= 130)) || ((97 <= a23 && a25 == 12) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 38.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 8183 SDslu, 974 SDs, 0 SdLazy, 14224 SolverSat, 2582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7666occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1762 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 527 PreInvPairs, 643 NumberOfFragments, 415 HoareAnnotationTreeSize, 527 FomulaSimplifications, 113041 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4650 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 33.5s InterpolantComputationTime, 2624 NumberOfCodeBlocks, 2624 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2613 ConstructedInterpolants, 0 QuantifiedInterpolants, 2392689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 1649/1906 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...