/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_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:44:51,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:44:51,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:44:51,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:44:51,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:44:51,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:44:51,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:44:51,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:44:51,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:44:51,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:44:51,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:44:51,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:44:51,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:44:51,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:44:51,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:44:51,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:44:51,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:44:51,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:44:51,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:44:51,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:44:51,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:44:51,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:44:51,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:44:51,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:44:51,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:44:51,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:44:51,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:44:51,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:44:51,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:44:51,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:44:51,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:44:51,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:44:51,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:44:51,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:44:51,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:44:51,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:44:51,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:44:51,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:44:51,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:44:51,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:44:51,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:44:51,164 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 06:44:51,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:44:51,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:44:51,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:44:51,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:44:51,191 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:44:51,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:44:51,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:44:51,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:44:51,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:44:51,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:44:51,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:44:51,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:44:51,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:44:51,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:44:51,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:44:51,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:44:51,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:44:51,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:44:51,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:44:51,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:44:51,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:44:51,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:44:51,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:44:51,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:44:51,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:44:51,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:44:51,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:44:51,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:44:51,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:44:51,656 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:44:51,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17.c [2020-10-29 06:44:51,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0124e3a9/370f5cdd05324c8684a6f64c7e760674/FLAGfc51af5bb [2020-10-29 06:44:52,535 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:44:52,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label17.c [2020-10-29 06:44:52,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0124e3a9/370f5cdd05324c8684a6f64c7e760674/FLAGfc51af5bb [2020-10-29 06:44:52,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0124e3a9/370f5cdd05324c8684a6f64c7e760674 [2020-10-29 06:44:52,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:44:52,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:44:52,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:44:52,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:44:52,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:44:52,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:44:52" (1/1) ... [2020-10-29 06:44:52,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0561c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:52, skipping insertion in model container [2020-10-29 06:44:52,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:44:52" (1/1) ... [2020-10-29 06:44:52,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:44:52,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:44:53,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:44:53,616 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:44:53,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:44:53,792 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:44:53,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53 WrapperNode [2020-10-29 06:44:53,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:44:53,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:44:53,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:44:53,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:44:53,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (1/1) ... [2020-10-29 06:44:53,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:44:53,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:44:53,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:44:53,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:44:53,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (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 06:44:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:44:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:44:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:44:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:44:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:44:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:44:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:44:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:44:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:44:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:44:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:44:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:44:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:44:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:44:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:44:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:44:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:44:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:44:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:44:56,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:44:56,325 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:44:56,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:44:56 BoogieIcfgContainer [2020-10-29 06:44:56,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:44:56,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:44:56,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:44:56,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:44:56,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:44:52" (1/3) ... [2020-10-29 06:44:56,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31f4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:44:56, skipping insertion in model container [2020-10-29 06:44:56,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:44:53" (2/3) ... [2020-10-29 06:44:56,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31f4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:44:56, skipping insertion in model container [2020-10-29 06:44:56,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:44:56" (3/3) ... [2020-10-29 06:44:56,338 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2020-10-29 06:44:56,353 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:44:56,359 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:44:56,375 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:44:56,412 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:44:56,412 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:44:56,412 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:44:56,413 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:44:56,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:44:56,413 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:44:56,413 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:44:56,413 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:44:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:44:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-29 06:44:56,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:56,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:56,452 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:56,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:56,459 INFO L82 PathProgramCache]: Analyzing trace with hash -947388490, now seen corresponding path program 1 times [2020-10-29 06:44:56,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:56,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466073530] [2020-10-29 06:44:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-29 06:44:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 837 [2020-10-29 06:44:57,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:57,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:44:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 06:44:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:44:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:57,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:57,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 06:44:57,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:57,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:57,851 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 06:44:57,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466073530] [2020-10-29 06:44:57,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:44:57,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:44:57,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201705260] [2020-10-29 06:44:57,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:44:57,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:57,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:44:57,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:44:57,885 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:45:01,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:01,624 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-29 06:45:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:01,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-10-29 06:45:01,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:01,646 INFO L225 Difference]: With dead ends: 793 [2020-10-29 06:45:01,647 INFO L226 Difference]: Without dead ends: 432 [2020-10-29 06:45:01,656 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 06:45:01,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-29 06:45:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-29 06:45:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-29 06:45:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-29 06:45:01,743 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 45 [2020-10-29 06:45:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:01,744 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-29 06:45:01,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:45:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-29 06:45:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 06:45:01,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:01,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:01,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:45:01,751 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1087449797, now seen corresponding path program 1 times [2020-10-29 06:45:01,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:01,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153375765] [2020-10-29 06:45:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:02,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:03,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:03,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:03,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 06:45:03,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1864 [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:45:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:03,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:03,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:45:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:03,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:45:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:04,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:45:04,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 06:45:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:04,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:45:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:04,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153375765] [2020-10-29 06:45:04,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:04,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:04,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536355437] [2020-10-29 06:45:04,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:04,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:04,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:04,218 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 7 states. [2020-10-29 06:45:07,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:07,708 INFO L93 Difference]: Finished difference Result 1274 states and 1869 transitions. [2020-10-29 06:45:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:45:07,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-10-29 06:45:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:07,719 INFO L225 Difference]: With dead ends: 1274 [2020-10-29 06:45:07,719 INFO L226 Difference]: Without dead ends: 854 [2020-10-29 06:45:07,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:07,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-29 06:45:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 823. [2020-10-29 06:45:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-10-29 06:45:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1128 transitions. [2020-10-29 06:45:07,786 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1128 transitions. Word has length 117 [2020-10-29 06:45:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:07,786 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1128 transitions. [2020-10-29 06:45:07,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1128 transitions. [2020-10-29 06:45:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 06:45:07,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:07,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:07,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:45:07,791 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1646802943, now seen corresponding path program 1 times [2020-10-29 06:45:07,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:07,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211685805] [2020-10-29 06:45:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:07,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:09,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:09,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 06:45:09,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1989 [2020-10-29 06:45:09,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:09,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:45:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:10,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:10,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:10,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:45:10,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:10,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:10,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:10,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:45:10,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 06:45:10,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:10,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:45:10,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:10,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211685805] [2020-10-29 06:45:10,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:10,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:10,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557499523] [2020-10-29 06:45:10,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:10,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:10,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:10,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:10,456 INFO L87 Difference]: Start difference. First operand 823 states and 1128 transitions. Second operand 7 states. [2020-10-29 06:45:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:13,763 INFO L93 Difference]: Finished difference Result 2065 states and 2791 transitions. [2020-10-29 06:45:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:45:13,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-29 06:45:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:13,782 INFO L225 Difference]: With dead ends: 2065 [2020-10-29 06:45:13,782 INFO L226 Difference]: Without dead ends: 1248 [2020-10-29 06:45:13,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:45:13,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-10-29 06:45:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1218. [2020-10-29 06:45:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-29 06:45:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1560 transitions. [2020-10-29 06:45:13,857 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1560 transitions. Word has length 119 [2020-10-29 06:45:13,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:13,859 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1560 transitions. [2020-10-29 06:45:13,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1560 transitions. [2020-10-29 06:45:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-29 06:45:13,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:13,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:13,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:45:13,874 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:13,876 INFO L82 PathProgramCache]: Analyzing trace with hash -298502462, now seen corresponding path program 1 times [2020-10-29 06:45:13,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:13,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985824125] [2020-10-29 06:45:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-29 06:45:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-29 06:45:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:14,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 06:45:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:14,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:14,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:14,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:14,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:14,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:14,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:14,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:45:14,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:45:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:14,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985824125] [2020-10-29 06:45:14,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:14,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:14,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33271157] [2020-10-29 06:45:14,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:14,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:14,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:14,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:14,725 INFO L87 Difference]: Start difference. First operand 1218 states and 1560 transitions. Second operand 5 states. [2020-10-29 06:45:17,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:17,661 INFO L93 Difference]: Finished difference Result 2072 states and 2875 transitions. [2020-10-29 06:45:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:17,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-29 06:45:17,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:17,672 INFO L225 Difference]: With dead ends: 2072 [2020-10-29 06:45:17,672 INFO L226 Difference]: Without dead ends: 1635 [2020-10-29 06:45:17,675 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 06:45:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-10-29 06:45:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1622. [2020-10-29 06:45:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1622 states. [2020-10-29 06:45:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2120 transitions. [2020-10-29 06:45:17,728 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2120 transitions. Word has length 176 [2020-10-29 06:45:17,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:17,729 INFO L481 AbstractCegarLoop]: Abstraction has 1622 states and 2120 transitions. [2020-10-29 06:45:17,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2120 transitions. [2020-10-29 06:45:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-29 06:45:17,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:17,734 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:45:17,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:45:17,735 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:17,735 INFO L82 PathProgramCache]: Analyzing trace with hash 88578538, now seen corresponding path program 1 times [2020-10-29 06:45:17,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:17,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531847591] [2020-10-29 06:45:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:18,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:20,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:20,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-29 06:45:20,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:20,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2521 [2020-10-29 06:45:20,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:20,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:45:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:45:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:20,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:20,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:20,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:20,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:20,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:20,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:20,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:20,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-29 06:45:20,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:20,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:45:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:20,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:45:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:45:21,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531847591] [2020-10-29 06:45:21,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:21,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:45:21,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238561533] [2020-10-29 06:45:21,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:21,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:21,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:21,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:21,193 INFO L87 Difference]: Start difference. First operand 1622 states and 2120 transitions. Second operand 7 states. [2020-10-29 06:45:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:25,475 INFO L93 Difference]: Finished difference Result 3471 states and 4764 transitions. [2020-10-29 06:45:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:45:25,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-29 06:45:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:25,493 INFO L225 Difference]: With dead ends: 3471 [2020-10-29 06:45:25,493 INFO L226 Difference]: Without dead ends: 2234 [2020-10-29 06:45:25,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:45:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2020-10-29 06:45:25,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2214. [2020-10-29 06:45:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2214 states. [2020-10-29 06:45:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2818 transitions. [2020-10-29 06:45:25,567 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2818 transitions. Word has length 235 [2020-10-29 06:45:25,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:25,568 INFO L481 AbstractCegarLoop]: Abstraction has 2214 states and 2818 transitions. [2020-10-29 06:45:25,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2818 transitions. [2020-10-29 06:45:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-29 06:45:25,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:25,573 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:45:25,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:45:25,574 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:25,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:25,574 INFO L82 PathProgramCache]: Analyzing trace with hash 316816894, now seen corresponding path program 1 times [2020-10-29 06:45:25,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:25,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726095596] [2020-10-29 06:45:25,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:45:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:45:26,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:26,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:26,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:26,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:27,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:27,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:27,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:27,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:45:27,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:45:27,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:45:27,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726095596] [2020-10-29 06:45:27,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:27,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:27,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019036267] [2020-10-29 06:45:27,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:27,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:27,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:27,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:27,260 INFO L87 Difference]: Start difference. First operand 2214 states and 2818 transitions. Second operand 5 states. [2020-10-29 06:45:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:30,610 INFO L93 Difference]: Finished difference Result 4647 states and 6165 transitions. [2020-10-29 06:45:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:30,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-29 06:45:30,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:30,630 INFO L225 Difference]: With dead ends: 4647 [2020-10-29 06:45:30,630 INFO L226 Difference]: Without dead ends: 2818 [2020-10-29 06:45:30,635 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 06:45:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2020-10-29 06:45:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2793. [2020-10-29 06:45:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2793 states. [2020-10-29 06:45:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3556 transitions. [2020-10-29 06:45:30,730 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3556 transitions. Word has length 245 [2020-10-29 06:45:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:30,730 INFO L481 AbstractCegarLoop]: Abstraction has 2793 states and 3556 transitions. [2020-10-29 06:45:30,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3556 transitions. [2020-10-29 06:45:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-29 06:45:30,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:30,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:45:30,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:45:30,737 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:30,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:30,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1293611139, now seen corresponding path program 1 times [2020-10-29 06:45:30,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:30,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991578633] [2020-10-29 06:45:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-29 06:45:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2053 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:45:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:32,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:32,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:32,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:32,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:32,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:32,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:33,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:45:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:45:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:45:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:33,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:33,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:45:33,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:33,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 06:45:33,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:33,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 06:45:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:45:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:45:33,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991578633] [2020-10-29 06:45:33,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:33,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:45:33,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186523801] [2020-10-29 06:45:33,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:33,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:33,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:33,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:33,604 INFO L87 Difference]: Start difference. First operand 2793 states and 3556 transitions. Second operand 7 states. [2020-10-29 06:45:37,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:37,375 INFO L93 Difference]: Finished difference Result 5860 states and 7734 transitions. [2020-10-29 06:45:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:45:37,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-10-29 06:45:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:37,400 INFO L225 Difference]: With dead ends: 5860 [2020-10-29 06:45:37,400 INFO L226 Difference]: Without dead ends: 3452 [2020-10-29 06:45:37,408 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 06:45:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2020-10-29 06:45:37,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 3423. [2020-10-29 06:45:37,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3423 states. [2020-10-29 06:45:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4379 transitions. [2020-10-29 06:45:37,506 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4379 transitions. Word has length 246 [2020-10-29 06:45:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:37,507 INFO L481 AbstractCegarLoop]: Abstraction has 3423 states and 4379 transitions. [2020-10-29 06:45:37,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4379 transitions. [2020-10-29 06:45:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-29 06:45:37,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:37,512 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:37,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:45:37,513 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:37,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:37,513 INFO L82 PathProgramCache]: Analyzing trace with hash -588945487, now seen corresponding path program 1 times [2020-10-29 06:45:37,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:37,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874090357] [2020-10-29 06:45:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:37,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:38,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:38,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-29 06:45:38,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-29 06:45:38,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:38,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:45:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:45:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:38,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:38,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:38,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:38,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:39,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:45:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-29 06:45:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:39,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:45:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:45:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:39,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:39,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:39,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:45:39,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-29 06:45:39,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:39,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:45:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:45:39,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874090357] [2020-10-29 06:45:39,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:39,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:45:39,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965189737] [2020-10-29 06:45:39,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:39,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:39,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:39,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:39,474 INFO L87 Difference]: Start difference. First operand 3423 states and 4379 transitions. Second operand 7 states. [2020-10-29 06:45:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:44,168 INFO L93 Difference]: Finished difference Result 8293 states and 11143 transitions. [2020-10-29 06:45:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:44,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-29 06:45:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:44,199 INFO L225 Difference]: With dead ends: 8293 [2020-10-29 06:45:44,199 INFO L226 Difference]: Without dead ends: 5255 [2020-10-29 06:45:44,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 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 06:45:44,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2020-10-29 06:45:44,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5228. [2020-10-29 06:45:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5228 states. [2020-10-29 06:45:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6848 transitions. [2020-10-29 06:45:44,366 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6848 transitions. Word has length 251 [2020-10-29 06:45:44,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:44,367 INFO L481 AbstractCegarLoop]: Abstraction has 5228 states and 6848 transitions. [2020-10-29 06:45:44,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6848 transitions. [2020-10-29 06:45:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-29 06:45:44,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:44,374 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:45:44,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:45:44,375 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:44,376 INFO L82 PathProgramCache]: Analyzing trace with hash -513310222, now seen corresponding path program 1 times [2020-10-29 06:45:44,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:44,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119331252] [2020-10-29 06:45:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:45:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:45:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:45,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:45,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:45:45,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:45:45,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:45:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:45:45,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 06:45:46,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119331252] [2020-10-29 06:45:46,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:46,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:46,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410620790] [2020-10-29 06:45:46,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:46,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:46,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:46,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:46,061 INFO L87 Difference]: Start difference. First operand 5228 states and 6848 transitions. Second operand 5 states. [2020-10-29 06:45:49,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:49,489 INFO L93 Difference]: Finished difference Result 10287 states and 13548 transitions. [2020-10-29 06:45:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:49,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2020-10-29 06:45:49,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:49,521 INFO L225 Difference]: With dead ends: 10287 [2020-10-29 06:45:49,521 INFO L226 Difference]: Without dead ends: 5253 [2020-10-29 06:45:49,534 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 06:45:49,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2020-10-29 06:45:49,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5216. [2020-10-29 06:45:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5216 states. [2020-10-29 06:45:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 6531 transitions. [2020-10-29 06:45:49,677 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 6531 transitions. Word has length 272 [2020-10-29 06:45:49,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:49,678 INFO L481 AbstractCegarLoop]: Abstraction has 5216 states and 6531 transitions. [2020-10-29 06:45:49,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 6531 transitions. [2020-10-29 06:45:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-29 06:45:49,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:49,690 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:49,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:45:49,690 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:49,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:49,691 INFO L82 PathProgramCache]: Analyzing trace with hash -118082163, now seen corresponding path program 1 times [2020-10-29 06:45:49,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:49,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131505334] [2020-10-29 06:45:49,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:50,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:53,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:53,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-29 06:45:53,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:45:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3712 [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 06:45:53,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:53,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:53,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:53,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:53,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:53,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:53,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:53,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:53,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:53,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:45:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:45:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:53,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:54,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:45:54,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-10-29 06:45:54,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131505334] [2020-10-29 06:45:54,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:54,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:45:54,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448610736] [2020-10-29 06:45:54,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:45:54,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:54,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:45:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:45:54,157 INFO L87 Difference]: Start difference. First operand 5216 states and 6531 transitions. Second operand 6 states. [2020-10-29 06:45:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:58,413 INFO L93 Difference]: Finished difference Result 12768 states and 16964 transitions. [2020-10-29 06:45:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:45:58,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 332 [2020-10-29 06:45:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:58,452 INFO L225 Difference]: With dead ends: 12768 [2020-10-29 06:45:58,453 INFO L226 Difference]: Without dead ends: 9110 [2020-10-29 06:45:58,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 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 06:45:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9110 states. [2020-10-29 06:45:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9110 to 8899. [2020-10-29 06:45:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8899 states. [2020-10-29 06:45:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8899 states to 8899 states and 11148 transitions. [2020-10-29 06:45:58,699 INFO L78 Accepts]: Start accepts. Automaton has 8899 states and 11148 transitions. Word has length 332 [2020-10-29 06:45:58,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:58,700 INFO L481 AbstractCegarLoop]: Abstraction has 8899 states and 11148 transitions. [2020-10-29 06:45:58,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:45:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8899 states and 11148 transitions. [2020-10-29 06:45:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-29 06:45:58,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:58,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 06:45:58,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:45:58,727 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:58,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:58,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1207116944, now seen corresponding path program 1 times [2020-10-29 06:45:58,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:58,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281205643] [2020-10-29 06:45:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:02,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:03,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:03,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-29 06:46:03,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:46:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-29 06:46:03,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:03,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-29 06:46:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 06:46:03,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:04,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:04,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:04,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:04,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:04,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:46:04,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:04,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:04,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:04,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:04,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:04,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:46:04,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:04,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:46:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:04,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:04,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:46:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 06:46:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:04,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:46:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:04,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-29 06:46:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:04,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 06:46:04,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-29 06:46:04,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:04,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 06:46:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 312 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 06:46:05,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281205643] [2020-10-29 06:46:05,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:05,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:05,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320318717] [2020-10-29 06:46:05,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:05,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:05,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:05,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:05,200 INFO L87 Difference]: Start difference. First operand 8899 states and 11148 transitions. Second operand 7 states. [2020-10-29 06:46:08,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:08,374 INFO L93 Difference]: Finished difference Result 16986 states and 21323 transitions. [2020-10-29 06:46:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:46:08,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 393 [2020-10-29 06:46:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:08,377 INFO L225 Difference]: With dead ends: 16986 [2020-10-29 06:46:08,378 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:46:08,408 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 06:46:08,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:46:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:46:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:46:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:46:08,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-10-29 06:46:08,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:08,409 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:46:08,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:46:08,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:46:08,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:46:08,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:46:09,330 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2020-10-29 06:46:10,692 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 200 DAG size of output: 49 [2020-10-29 06:46:10,912 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2020-10-29 06:46:11,193 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2020-10-29 06:46:11,589 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-10-29 06:46:11,593 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:46:11,594 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:46:11,594 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:46:11,594 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:46:11,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:46:11,594 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 06:46:11,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,595 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:46:11,596 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:46:11,597 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:46:11,598 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,598 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,598 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,599 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,599 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,599 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,599 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,599 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,600 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,601 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,602 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,603 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:46:11,604 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:46:11,604 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,604 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,604 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,605 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L270 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a25~0)| 12))) (.cse2 (not (<= |old(~a4~0)| 0))) (.cse3 (not (= 13 |old(~a25~0)|))) (.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) .cse1) (or .cse0 (not (<= |old(~a29~0)| 220)) .cse1) (or .cse0 (not (= 11 |old(~a25~0)|))) (or .cse1 .cse2) (or .cse3 .cse2) (or .cse0 .cse3) (or .cse0 (not (<= |old(~a25~0)| 10))))) [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:46:11,606 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a23~0 |old(~a23~0)|)) (.cse8 (= ~a29~0 |old(~a29~0)|))) (let ((.cse1 (not (= 13 |old(~a25~0)|))) (.cse2 (and .cse6 .cse7 .cse8 (= ~a4~0 |old(~a4~0)|))) (.cse4 (not (<= |old(~a4~0)| 0))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse5 (and .cse6 .cse7 .cse8 (= ~a4~0 1))) (.cse3 (not (<= |old(~a25~0)| 12)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 (not (= 11 |old(~a25~0)|))) (or .cse0 (not (<= |old(~a25~0)| 10)) .cse2) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) .cse5 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse5 (not (<= |old(~a29~0)| 220)) .cse3)))) [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,607 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:46:11,609 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,610 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,611 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:46:11,612 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:46:11,613 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:46:11,614 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,615 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,615 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:46:11,616 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:46:11,617 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:46:11,618 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,619 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,620 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,620 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:46:11,620 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,620 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,620 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,621 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:46:11,621 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:46:11,622 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:46:11,622 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,622 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:46:11,622 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,623 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,625 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:46:11,626 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-29 06:46:11,626 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:46:11,627 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:46:11,627 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)) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312))) [2020-10-29 06:46:11,627 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:46:11,627 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse2 (= ~a25~0 13)) (.cse1 (<= ~a25~0 12)) (.cse3 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and .cse0 .cse1) (and .cse0 .cse2) (and (= ~a25~0 11) .cse3) (not (= 312 |old(~a23~0)|)) (and .cse2 .cse3) (not (= 130 |old(~a29~0)|)) (and .cse1 .cse3 (<= 0 (+ ~a23~0 4))) (and (<= ~a25~0 10) .cse3) (and (= ~a25~0 12) (<= ~a29~0 220) .cse3))) [2020-10-29 06:46:11,627 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:46:11,627 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:46:11,627 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse2 (= ~a25~0 13)) (.cse1 (<= ~a25~0 12)) (.cse3 (= ~a4~0 1))) (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and .cse0 .cse1) (and .cse0 .cse2) (and (= ~a25~0 11) .cse3) (not (= 312 |old(~a23~0)|)) (and .cse2 .cse3) (not (= 130 |old(~a29~0)|)) (and .cse1 .cse3 (<= 0 (+ ~a23~0 4))) (and (<= ~a25~0 10) .cse3) (and (= ~a25~0 12) (<= ~a29~0 220) .cse3))) [2020-10-29 06:46:11,627 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:46:11,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:46:11 BoogieIcfgContainer [2020-10-29 06:46:11,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:46:11,659 INFO L168 Benchmark]: Toolchain (without parser) took 78907.09 ms. Allocated memory was 167.8 MB in the beginning and 1.0 GB in the end (delta: 881.9 MB). Free memory was 140.6 MB in the beginning and 432.0 MB in the end (delta: -291.5 MB). Peak memory consumption was 591.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:11,660 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.4 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:46:11,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.40 ms. Allocated memory is still 167.8 MB. Free memory was 140.0 MB in the beginning and 127.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:11,671 INFO L168 Benchmark]: Boogie Preprocessor took 197.25 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 120.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:11,671 INFO L168 Benchmark]: RCFGBuilder took 2335.00 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 119.6 MB in the beginning and 131.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:11,675 INFO L168 Benchmark]: TraceAbstraction took 75327.54 ms. Allocated memory was 201.3 MB in the beginning and 1.0 GB in the end (delta: 848.3 MB). Free memory was 131.0 MB in the beginning and 432.0 MB in the end (delta: -301.0 MB). Peak memory consumption was 547.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:46:11,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.4 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1034.40 ms. Allocated memory is still 167.8 MB. Free memory was 140.0 MB in the beginning and 127.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 197.25 ms. Allocated memory is still 167.8 MB. Free memory was 127.4 MB in the beginning and 120.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2335.00 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 119.6 MB in the beginning and 131.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 75327.54 ms. Allocated memory was 201.3 MB in the beginning and 1.0 GB in the end (delta: 848.3 MB). Free memory was 131.0 MB in the beginning and 432.0 MB in the end (delta: -301.0 MB). Peak memory consumption was 547.3 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)) || (a4 <= 0 && a25 <= 12)) || (a4 <= 0 && a25 == 13)) || (a25 == 11 && a4 == 1)) || !(312 == \old(a23))) || (a25 == 13 && a4 == 1)) || !(130 == \old(a29))) || ((a25 <= 12 && a4 == 1) && 0 <= a23 + 4)) || (a25 <= 10 && a4 == 1)) || ((a25 == 12 && a29 <= 220) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 40.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 520 SDtfs, 6007 SDslu, 885 SDs, 0 SdLazy, 15758 SolverSat, 2107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8899occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 429 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 377 PreInvPairs, 463 NumberOfFragments, 499 HoareAnnotationTreeSize, 377 FomulaSimplifications, 3871 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5060 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.9s InterpolantComputationTime, 2431 NumberOfCodeBlocks, 2431 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2420 ConstructedInterpolants, 0 QuantifiedInterpolants, 2154278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 1621/1637 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...