/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:51:37,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:51:37,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:51:37,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:51:37,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:51:37,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:51:37,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:51:37,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:51:37,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:51:37,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:51:37,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:51:37,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:51:37,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:51:37,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:51:37,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:51:37,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:51:37,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:51:37,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:51:37,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:51:37,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:51:37,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:51:37,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:51:37,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:51:37,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:51:37,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:51:37,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:51:37,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:51:37,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:51:37,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:51:37,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:51:37,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:51:37,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:51:37,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:51:37,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:51:37,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:51:37,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:51:37,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:51:37,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:51:37,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:51:37,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:51:37,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:51:37,069 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 [2020-10-13 08:51:37,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:51:37,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:51:37,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:51:37,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:51:37,121 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:51:37,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:51:37,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:51:37,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:51:37,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:51:37,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:51:37,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:51:37,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:51:37,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:51:37,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:51:37,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:51:37,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:51:37,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:51:37,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:51:37,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:51:37,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:51:37,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:51:37,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:51:37,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:51:37,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:51:37,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:51:37,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:51:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:51:37,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:51:37,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:51:37,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:51:37,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:51:37,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:51:37,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:51:37,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:51:37,494 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:51:37,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-13 08:51:37,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd369353/576b4942c573450395ddae975d80bee9/FLAG1dc8e0197 [2020-10-13 08:51:38,104 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:51:38,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-13 08:51:38,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd369353/576b4942c573450395ddae975d80bee9/FLAG1dc8e0197 [2020-10-13 08:51:38,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd369353/576b4942c573450395ddae975d80bee9 [2020-10-13 08:51:38,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:51:38,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:51:38,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:51:38,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:51:38,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:51:38,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:51:38" (1/1) ... [2020-10-13 08:51:38,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:38, skipping insertion in model container [2020-10-13 08:51:38,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:51:38" (1/1) ... [2020-10-13 08:51:38,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:51:38,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:51:39,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:51:39,139 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:51:39,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:51:39,340 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:51:39,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39 WrapperNode [2020-10-13 08:51:39,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:51:39,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:51:39,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:51:39,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:51:39,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (1/1) ... [2020-10-13 08:51:39,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:51:39,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:51:39,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:51:39,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:51:39,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (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 [2020-10-13 08:51:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:51:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:51:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:51:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:51:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:51:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:51:40,912 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:51:40,913 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:51:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:51:40 BoogieIcfgContainer [2020-10-13 08:51:40,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:51:40,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:51:40,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:51:40,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:51:40,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:51:38" (1/3) ... [2020-10-13 08:51:40,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34863db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:51:40, skipping insertion in model container [2020-10-13 08:51:40,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:51:39" (2/3) ... [2020-10-13 08:51:40,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34863db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:51:40, skipping insertion in model container [2020-10-13 08:51:40,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:51:40" (3/3) ... [2020-10-13 08:51:40,929 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-10-13 08:51:40,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:51:40,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:51:40,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:51:41,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:51:41,000 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:51:41,001 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:51:41,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:51:41,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:51:41,001 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:51:41,001 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:51:41,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:51:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:51:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 08:51:41,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:51:41,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:51:41,041 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:51:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:51:41,048 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2020-10-13 08:51:41,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:51:41,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523251360] [2020-10-13 08:51:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:51:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:41,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 08:51:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-13 08:51:41,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:41,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:51:41,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:51:41,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 08:51:41,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:51:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:51:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:41,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:41,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:51:41,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:51:41,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:51:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:51:41,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:51:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:51:41,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523251360] [2020-10-13 08:51:41,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:51:41,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:51:41,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63423609] [2020-10-13 08:51:41,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:51:41,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:51:41,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:51:41,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:51:41,962 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:51:43,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:51:43,547 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-13 08:51:43,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:51:43,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-13 08:51:43,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:51:43,578 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:51:43,578 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:51:43,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:51:43,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:51:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:51:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:51:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-13 08:51:43,671 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 54 [2020-10-13 08:51:43,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:51:43,672 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-13 08:51:43,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:51:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-13 08:51:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 08:51:43,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:51:43,679 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:51:43,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:51:43,680 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:51:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:51:43,680 INFO L82 PathProgramCache]: Analyzing trace with hash -68647627, now seen corresponding path program 1 times [2020-10-13 08:51:43,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:51:43,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119457738] [2020-10-13 08:51:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:51:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:45,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:45,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 08:51:45,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:51:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1317 [2020-10-13 08:51:45,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:51:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:51:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:51:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:51:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:51:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:45,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:45,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:51:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:51:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:51:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:51:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:51:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:51:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:51:45,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:51:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:51:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:51:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:51:45,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119457738] [2020-10-13 08:51:45,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:51:45,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:51:45,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883868280] [2020-10-13 08:51:45,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:51:45,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:51:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:51:45,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:51:45,354 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-13 08:51:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:51:46,493 INFO L93 Difference]: Finished difference Result 783 states and 1143 transitions. [2020-10-13 08:51:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:51:46,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 08:51:46,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:51:46,498 INFO L225 Difference]: With dead ends: 783 [2020-10-13 08:51:46,498 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:51:46,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:51:46,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:51:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-13 08:51:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-13 08:51:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 506 transitions. [2020-10-13 08:51:46,529 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 506 transitions. Word has length 123 [2020-10-13 08:51:46,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:51:46,529 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 506 transitions. [2020-10-13 08:51:46,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:51:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2020-10-13 08:51:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 08:51:46,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:51:46,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:51:46,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:51:46,536 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:51:46,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:51:46,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1954829933, now seen corresponding path program 1 times [2020-10-13 08:51:46,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:51:46,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091632623] [2020-10-13 08:51:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:51:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:46,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:47,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:47,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:51:47,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:51:47,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 607 [2020-10-13 08:51:47,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:51:47,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:51:47,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 08:51:47,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:51:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:47,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:47,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:47,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:51:47,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:47,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:51:47,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:51:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:51:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:47,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:51:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:47,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:47,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:47,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:51:47,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:51:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:51:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:51:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:51:47,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091632623] [2020-10-13 08:51:47,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:51:47,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:51:47,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835668717] [2020-10-13 08:51:47,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:51:47,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:51:47,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:51:47,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:51:47,406 INFO L87 Difference]: Start difference. First operand 376 states and 506 transitions. Second operand 5 states. [2020-10-13 08:51:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:51:48,747 INFO L93 Difference]: Finished difference Result 934 states and 1292 transitions. [2020-10-13 08:51:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:51:48,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-13 08:51:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:51:48,758 INFO L225 Difference]: With dead ends: 934 [2020-10-13 08:51:48,758 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:51:48,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:51:48,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:51:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:51:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:51:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 699 transitions. [2020-10-13 08:51:48,789 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 699 transitions. Word has length 127 [2020-10-13 08:51:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:51:48,790 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 699 transitions. [2020-10-13 08:51:48,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:51:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 699 transitions. [2020-10-13 08:51:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-13 08:51:48,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:51:48,795 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:51:48,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:51:48,795 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:51:48,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:51:48,796 INFO L82 PathProgramCache]: Analyzing trace with hash 760149143, now seen corresponding path program 1 times [2020-10-13 08:51:48,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:51:48,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128746878] [2020-10-13 08:51:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:51:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:48,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:48,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:49,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:53,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 08:51:53,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:51:53,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 08:51:53,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:51:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 08:51:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:51:53,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:51:53,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:51:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:53,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:53,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:53,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:51:53,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:51:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:51:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:51:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:53,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:51:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:53,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:51:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:51:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:51:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:51:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:51:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:51:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:54,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:51:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:51:54,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:51:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:51:54,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:51:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:51:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:51:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:51:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:51:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:51:54,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128746878] [2020-10-13 08:51:54,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:51:54,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:51:54,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246724147] [2020-10-13 08:51:54,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:51:54,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:51:54,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:51:54,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:51:54,197 INFO L87 Difference]: Start difference. First operand 560 states and 699 transitions. Second operand 5 states. [2020-10-13 08:51:55,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:51:55,230 INFO L93 Difference]: Finished difference Result 1130 states and 1417 transitions. [2020-10-13 08:51:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:51:55,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2020-10-13 08:51:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:51:55,237 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 08:51:55,237 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:51:55,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:51:55,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:51:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:51:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:51:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 697 transitions. [2020-10-13 08:51:55,258 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 697 transitions. Word has length 210 [2020-10-13 08:51:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:51:55,259 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 697 transitions. [2020-10-13 08:51:55,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:51:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 697 transitions. [2020-10-13 08:51:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-13 08:51:55,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:51:55,264 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-13 08:51:55,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:51:55,265 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:51:55,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:51:55,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1730012353, now seen corresponding path program 1 times [2020-10-13 08:51:55,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:51:55,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611555187] [2020-10-13 08:51:55,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:51:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:51:55,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:55,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:51:58,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:00,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:00,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 08:52:00,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:52:00,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 08:52:00,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:52:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:52:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:00,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:00,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:00,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:52:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:00,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:00,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:00,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:52:00,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:52:00,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:52:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:00,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:00,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:52:00,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 08:52:00,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:52:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:52:00,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611555187] [2020-10-13 08:52:00,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:00,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:00,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111715657] [2020-10-13 08:52:00,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:00,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:00,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:00,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:00,794 INFO L87 Difference]: Start difference. First operand 560 states and 697 transitions. Second operand 5 states. [2020-10-13 08:52:01,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:01,837 INFO L93 Difference]: Finished difference Result 1131 states and 1414 transitions. [2020-10-13 08:52:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:01,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-13 08:52:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:01,845 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 08:52:01,846 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:52:01,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:52:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:52:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:52:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 695 transitions. [2020-10-13 08:52:01,872 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 695 transitions. Word has length 222 [2020-10-13 08:52:01,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:01,874 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 695 transitions. [2020-10-13 08:52:01,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 695 transitions. [2020-10-13 08:52:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-13 08:52:01,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:01,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:52:01,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:52:01,881 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash -222397767, now seen corresponding path program 1 times [2020-10-13 08:52:01,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:01,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548388307] [2020-10-13 08:52:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:01,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:02,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:03,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:03,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 08:52:03,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:52:03,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1552 [2020-10-13 08:52:03,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:03,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 08:52:03,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 08:52:03,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:03,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:03,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:03,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:03,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:03,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:03,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:52:03,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:03,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:03,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:03,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:03,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:03,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:03,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:03,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 08:52:03,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-13 08:52:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:52:03,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548388307] [2020-10-13 08:52:03,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:03,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:03,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100715241] [2020-10-13 08:52:03,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:03,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:03,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:03,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:03,902 INFO L87 Difference]: Start difference. First operand 560 states and 695 transitions. Second operand 5 states. [2020-10-13 08:52:05,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:05,574 INFO L93 Difference]: Finished difference Result 1302 states and 1670 transitions. [2020-10-13 08:52:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:05,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-10-13 08:52:05,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:05,580 INFO L225 Difference]: With dead ends: 1302 [2020-10-13 08:52:05,580 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:05,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:05,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:05,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 934 transitions. [2020-10-13 08:52:05,608 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 934 transitions. Word has length 233 [2020-10-13 08:52:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:05,609 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 934 transitions. [2020-10-13 08:52:05,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 934 transitions. [2020-10-13 08:52:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-13 08:52:05,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:05,614 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:52:05,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:52:05,614 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:05,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1726800564, now seen corresponding path program 1 times [2020-10-13 08:52:05,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:05,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669414473] [2020-10-13 08:52:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:05,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:05,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:05,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:06,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:10,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:10,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:10,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-13 08:52:10,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:52:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 08:52:10,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-13 08:52:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:52:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:10,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:10,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:10,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:10,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:52:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:10,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:10,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:10,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:52:10,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:10,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:10,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:10,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:52:10,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:10,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 08:52:10,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:10,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:52:10,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:52:11,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669414473] [2020-10-13 08:52:11,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:11,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:11,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789808405] [2020-10-13 08:52:11,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:11,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:11,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:11,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:11,119 INFO L87 Difference]: Start difference. First operand 744 states and 934 transitions. Second operand 5 states. [2020-10-13 08:52:12,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:12,351 INFO L93 Difference]: Finished difference Result 1504 states and 1895 transitions. [2020-10-13 08:52:12,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:12,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-10-13 08:52:12,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:12,361 INFO L225 Difference]: With dead ends: 1504 [2020-10-13 08:52:12,361 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:12,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:12,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 932 transitions. [2020-10-13 08:52:12,401 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 932 transitions. Word has length 307 [2020-10-13 08:52:12,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:12,402 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 932 transitions. [2020-10-13 08:52:12,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 932 transitions. [2020-10-13 08:52:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-13 08:52:12,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:12,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:52:12,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:52:12,414 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1358128584, now seen corresponding path program 1 times [2020-10-13 08:52:12,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:12,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250269754] [2020-10-13 08:52:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:12,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:15,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:15,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-13 08:52:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:52:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-13 08:52:17,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:52:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:52:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:17,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:17,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:52:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:17,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:17,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:17,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:17,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:17,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:52:17,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:17,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:17,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:17,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:17,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:17,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:17,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:52:17,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:17,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:52:17,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:52:17,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 08:52:18,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250269754] [2020-10-13 08:52:18,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:18,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:18,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560175641] [2020-10-13 08:52:18,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:18,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:18,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:18,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:18,146 INFO L87 Difference]: Start difference. First operand 744 states and 932 transitions. Second operand 5 states. [2020-10-13 08:52:19,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:19,134 INFO L93 Difference]: Finished difference Result 1517 states and 1904 transitions. [2020-10-13 08:52:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:19,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-10-13 08:52:19,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:19,141 INFO L225 Difference]: With dead ends: 1517 [2020-10-13 08:52:19,141 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:19,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:19,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 930 transitions. [2020-10-13 08:52:19,169 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 930 transitions. Word has length 313 [2020-10-13 08:52:19,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:19,169 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 930 transitions. [2020-10-13 08:52:19,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 930 transitions. [2020-10-13 08:52:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-13 08:52:19,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:19,176 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:52:19,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:52:19,176 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:19,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:19,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1878269732, now seen corresponding path program 1 times [2020-10-13 08:52:19,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:19,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955613145] [2020-10-13 08:52:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:19,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:19,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:20,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-13 08:52:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:52:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2780 [2020-10-13 08:52:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 277 [2020-10-13 08:52:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 08:52:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:52:22,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:22,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:22,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:22,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:22,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:52:22,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:22,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:22,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:22,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:22,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:22,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:52:22,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:22,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:22,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:52:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:52:22,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:52:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:52:22,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955613145] [2020-10-13 08:52:22,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:22,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:22,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542917470] [2020-10-13 08:52:22,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:22,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:22,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:22,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:22,405 INFO L87 Difference]: Start difference. First operand 744 states and 930 transitions. Second operand 5 states. [2020-10-13 08:52:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:23,941 INFO L93 Difference]: Finished difference Result 1670 states and 2136 transitions. [2020-10-13 08:52:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:23,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-13 08:52:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:23,946 INFO L225 Difference]: With dead ends: 1670 [2020-10-13 08:52:23,947 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:23,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:23,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 912 transitions. [2020-10-13 08:52:23,972 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 912 transitions. Word has length 319 [2020-10-13 08:52:23,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:23,973 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 912 transitions. [2020-10-13 08:52:23,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 912 transitions. [2020-10-13 08:52:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-13 08:52:23,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:23,979 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:52:23,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:52:23,980 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1557943280, now seen corresponding path program 1 times [2020-10-13 08:52:23,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:23,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751943127] [2020-10-13 08:52:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:24,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:24,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3722 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:52:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:27,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:27,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:27,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:27,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:27,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:52:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:52:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:52:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 08:52:28,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751943127] [2020-10-13 08:52:28,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:28,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:28,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933554202] [2020-10-13 08:52:28,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:28,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:28,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:28,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:28,079 INFO L87 Difference]: Start difference. First operand 744 states and 912 transitions. Second operand 5 states. [2020-10-13 08:52:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:28,983 INFO L93 Difference]: Finished difference Result 1501 states and 1848 transitions. [2020-10-13 08:52:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:28,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 325 [2020-10-13 08:52:28,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:28,992 INFO L225 Difference]: With dead ends: 1501 [2020-10-13 08:52:28,992 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:28,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 910 transitions. [2020-10-13 08:52:29,027 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 910 transitions. Word has length 325 [2020-10-13 08:52:29,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:29,028 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 910 transitions. [2020-10-13 08:52:29,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:29,028 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 910 transitions. [2020-10-13 08:52:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-13 08:52:29,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:29,031 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:52:29,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:52:29,032 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:29,032 INFO L82 PathProgramCache]: Analyzing trace with hash 690809420, now seen corresponding path program 1 times [2020-10-13 08:52:29,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:29,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69756628] [2020-10-13 08:52:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:29,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:31,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-13 08:52:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:52:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2238 [2020-10-13 08:52:31,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 08:52:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:52:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:31,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:31,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:31,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:31,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:31,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:52:31,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:31,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:31,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:31,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:31,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:31,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:52:31,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:31,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:31,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:52:31,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:52:31,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69756628] [2020-10-13 08:52:31,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:31,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:31,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233794955] [2020-10-13 08:52:31,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:31,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:31,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:31,640 INFO L87 Difference]: Start difference. First operand 744 states and 910 transitions. Second operand 5 states. [2020-10-13 08:52:32,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:32,522 INFO L93 Difference]: Finished difference Result 1511 states and 1854 transitions. [2020-10-13 08:52:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:32,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 327 [2020-10-13 08:52:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:32,528 INFO L225 Difference]: With dead ends: 1511 [2020-10-13 08:52:32,529 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:32,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 908 transitions. [2020-10-13 08:52:32,553 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 908 transitions. Word has length 327 [2020-10-13 08:52:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:32,554 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 908 transitions. [2020-10-13 08:52:32,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 908 transitions. [2020-10-13 08:52:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-10-13 08:52:32,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:32,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:52:32,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:52:32,559 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:32,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1440963860, now seen corresponding path program 1 times [2020-10-13 08:52:32,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:32,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206491845] [2020-10-13 08:52:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:32,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:32,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:37,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:37,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-13 08:52:37,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:52:37,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 08:52:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 333 [2020-10-13 08:52:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:52:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:37,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:37,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:37,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:37,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:37,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:37,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:52:37,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:37,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:37,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:37,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:37,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:37,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:52:37,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:37,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:37,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:37,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:37,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:52:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-13 08:52:37,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206491845] [2020-10-13 08:52:37,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:37,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:37,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334946790] [2020-10-13 08:52:37,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:37,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:37,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:37,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:37,976 INFO L87 Difference]: Start difference. First operand 744 states and 908 transitions. Second operand 5 states. [2020-10-13 08:52:38,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:38,862 INFO L93 Difference]: Finished difference Result 1506 states and 1845 transitions. [2020-10-13 08:52:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:38,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2020-10-13 08:52:38,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:38,868 INFO L225 Difference]: With dead ends: 1506 [2020-10-13 08:52:38,868 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:52:38,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:52:38,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:52:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:52:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 906 transitions. [2020-10-13 08:52:38,890 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 906 transitions. Word has length 375 [2020-10-13 08:52:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:38,891 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 906 transitions. [2020-10-13 08:52:38,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 906 transitions. [2020-10-13 08:52:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-13 08:52:38,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:52:38,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:52:38,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:52:38,895 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:52:38,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:52:38,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2000216732, now seen corresponding path program 1 times [2020-10-13 08:52:38,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:52:38,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193604849] [2020-10-13 08:52:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:52:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:39,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:43,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:43,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-13 08:52:43,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:52:43,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 08:52:43,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:52:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-13 08:52:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:52:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:52:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:52:44,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:52:44,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:52:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:44,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:52:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:52:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:44,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 08:52:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:52:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:52:44,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:52:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:52:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-13 08:52:44,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193604849] [2020-10-13 08:52:44,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:52:44,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:52:44,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253860162] [2020-10-13 08:52:44,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:52:44,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:52:44,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:52:44,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:52:44,343 INFO L87 Difference]: Start difference. First operand 744 states and 906 transitions. Second operand 5 states. [2020-10-13 08:52:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:52:45,223 INFO L93 Difference]: Finished difference Result 1329 states and 1587 transitions. [2020-10-13 08:52:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:52:45,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 411 [2020-10-13 08:52:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:52:45,225 INFO L225 Difference]: With dead ends: 1329 [2020-10-13 08:52:45,225 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:52:45,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:52:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:52:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:52:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:52:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:52:45,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-10-13 08:52:45,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:52:45,229 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:52:45,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:52:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:52:45,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:52:45,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:52:45,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:52:45,501 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 72 [2020-10-13 08:52:45,630 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 72 [2020-10-13 08:52:46,530 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 120 [2020-10-13 08:52:46,749 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-13 08:52:46,947 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-13 08:52:46,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:52:46,952 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:52:46,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:52:46,953 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:52:46,954 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,955 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,956 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:52:46,957 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:52:46,958 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:52:46,959 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:52:46,960 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:52:46,961 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse13 (= ~a24~0 1)) (.cse14 (= ~a15~0 |old(~a15~0)|)) (.cse6 (<= 6 ~a15~0)) (.cse7 (= ~a24~0 |old(~a24~0)|)) (.cse15 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse9 (<= ~a15~0 6))) (let ((.cse0 (not (<= 1 |old(~a24~0)|))) (.cse1 (not (<= |old(~a24~0)| 1))) (.cse2 (not (<= |old(~a15~0)| 6))) (.cse3 (not (<= 6 |old(~a15~0)|))) (.cse4 (and .cse6 .cse7 .cse15 .cse8 .cse9)) (.cse5 (and .cse7 .cse15 .cse8 .cse14)) (.cse10 (not (= |old(~a24~0)| 1))) (.cse11 (not (= 9 |old(~a21~0)|))) (.cse12 (and .cse13 (= ~a21~0 9) .cse8 .cse14))) (and (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)) (not (<= |old(~a21~0)| 8))) (or .cse5 (not (= 7 |old(~a15~0)|))) (or .cse0 .cse1 .cse2 (not (<= 10 |old(~a21~0)|)) .cse3 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41))) (not (<= |old(~a21~0)| 10)) (and .cse6 .cse7 (<= 10 ~a21~0) .cse8 (<= ~a21~0 10) .cse9)) (or .cse10 (not (<= 81 |old(~a12~0)|)) .cse11 .cse12) (or .cse0 (not (<= |old(~a12~0)| 46)) .cse1 .cse2 .cse3 (not (<= 13 |old(~a12~0)|)) (not (<= 6 |old(~a21~0)|)) (not (<= |old(~a21~0)| 6)) (and .cse6 .cse7 (<= 6 ~a21~0) .cse8 (<= ~a21~0 6) .cse9)) (or .cse10 (and (= ~a21~0 6) .cse13 .cse8 .cse14) (not (<= 12849 |old(~a12~0)|)) (not (= 6 |old(~a21~0)|))) (or .cse5 (not (= 8 |old(~a15~0)|))) (or .cse5 (not (<= |old(~a15~0)| 5))) (or .cse0 .cse1 .cse2 (not (<= |old(~a21~0)| 9)) (not (<= (+ |old(~a12~0)| 45) 0)) .cse3 .cse4 (not (<= 9 |old(~a21~0)|))) (or (not (<= 9 |old(~a15~0)|)) .cse5) (or .cse10 .cse11 (not (<= |old(~a12~0)| 11)) (not (<= 0 (+ |old(~a12~0)| 42))) .cse12)))) [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:52:46,962 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,963 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:52:46,964 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:52:46,965 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:52:46,966 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:52:46,967 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:52:46,968 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:52:46,969 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,970 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:52:46,971 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:52:46,972 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:52:46,973 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a15~0 8) [2020-10-13 08:52:46,973 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:52:46,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:52:46,974 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 8 |old(~a15~0)|))) [2020-10-13 08:52:46,974 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:52:46,974 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (= ~a21~0 9)) (.cse0 (<= ~a24~0 1)) (.cse1 (<= 1 ~a24~0)) (.cse2 (= ~a24~0 1))) (or (= 7 ~a15~0) (and .cse0 (<= 12 ~a12~0) (<= 8 ~a21~0) .cse1 (<= ~a12~0 80) (<= ~a21~0 8)) (<= ~a15~0 5) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 (<= 6 ~a21~0) (<= ~a21~0 6)) (and (<= 9 ~a21~0) .cse0 (<= (+ ~a12~0 45) 0) .cse1 (<= ~a21~0 9)) (= ~a15~0 8) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse2 .cse3) (and (<= 81 ~a12~0) .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse0 .cse1 (<= 10 ~a21~0) (<= ~a21~0 10)) (and (<= 12849 ~a12~0) (= ~a21~0 6) .cse2))) [2020-10-13 08:52:46,974 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:52:46,974 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:52:46,975 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (= ~a21~0 9)) (.cse0 (<= ~a24~0 1)) (.cse1 (<= 1 ~a24~0)) (.cse2 (= ~a24~0 1))) (or (= 7 ~a15~0) (and .cse0 (<= 12 ~a12~0) (<= 8 ~a21~0) .cse1 (<= ~a12~0 80) (<= ~a21~0 8)) (<= ~a15~0 5) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 (<= 6 ~a21~0) (<= ~a21~0 6)) (and (<= 9 ~a21~0) .cse0 (<= (+ ~a12~0 45) 0) .cse1 (<= ~a21~0 9)) (= ~a15~0 8) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse2 .cse3) (and (<= 81 ~a12~0) .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (<= 9 ~a15~0) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse0 .cse1 (<= 10 ~a21~0) (<= ~a21~0 10)) (and (<= 12849 ~a12~0) (= ~a21~0 6) .cse2))) [2020-10-13 08:52:46,975 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:52:47,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:52:47 BoogieIcfgContainer [2020-10-13 08:52:47,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:52:47,007 INFO L168 Benchmark]: Toolchain (without parser) took 68588.15 ms. Allocated memory was 148.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 102.1 MB in the beginning and 808.9 MB in the end (delta: -706.8 MB). Peak memory consumption was 337.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,008 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 922.89 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 101.9 MB in the beginning and 167.9 MB in the end (delta: -66.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,010 INFO L168 Benchmark]: Boogie Preprocessor took 133.25 ms. Allocated memory is still 207.6 MB. Free memory was 167.9 MB in the beginning and 162.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,011 INFO L168 Benchmark]: RCFGBuilder took 1442.93 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 162.3 MB in the beginning and 150.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,012 INFO L168 Benchmark]: TraceAbstraction took 66084.15 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 955.3 MB). Free memory was 149.4 MB in the beginning and 808.9 MB in the end (delta: -659.5 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:52:47,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 922.89 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 101.9 MB in the beginning and 167.9 MB in the end (delta: -66.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.25 ms. Allocated memory is still 207.6 MB. Free memory was 167.9 MB in the beginning and 162.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1442.93 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 162.3 MB in the beginning and 150.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66084.15 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 955.3 MB). Free memory was 149.4 MB in the beginning and 808.9 MB in the end (delta: -659.5 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((7 == a15 || (((((a24 <= 1 && 12 <= a12) && 8 <= a21) && 1 <= a24) && a12 <= 80) && a21 <= 8)) || a15 <= 5) || (((((a12 <= 46 && 13 <= a12) && a24 <= 1) && 1 <= a24) && 6 <= a21) && a21 <= 6)) || ((((9 <= a21 && a24 <= 1) && a12 + 45 <= 0) && 1 <= a24) && a21 <= 9)) || a15 == 8) || (((0 <= a12 + 42 && a12 <= 11) && a24 == 1) && a21 == 9)) || ((81 <= a12 && a24 == 1) && a21 == 9)) || !(8 == \old(a15))) || 9 <= a15) || (((((0 <= a12 + 41 && a12 <= 10) && a24 <= 1) && 1 <= a24) && 10 <= a21) && a21 <= 10)) || ((12849 <= a12 && a21 == 6) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.2s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 316 SDtfs, 3374 SDslu, 240 SDs, 0 SdLazy, 9849 SolverSat, 505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 96 SyntacticMatches, 10 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=744occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 48 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 90 NumberOfFragments, 670 HoareAnnotationTreeSize, 62 FomulaSimplifications, 565178 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 669 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 3346 NumberOfCodeBlocks, 3346 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3333 ConstructedInterpolants, 0 QuantifiedInterpolants, 2269909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1858/1879 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...