/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:28:21,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:28:21,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:28:21,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:28:21,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:28:21,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:28:21,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:28:21,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:28:21,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:28:21,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:28:21,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:28:21,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:28:21,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:28:21,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:28:21,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:28:21,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:28:21,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:28:21,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:28:21,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:28:21,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:28:21,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:28:21,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:28:21,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:28:21,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:28:21,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:28:21,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:28:21,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:28:21,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:28:21,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:28:21,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:28:21,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:28:21,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:28:21,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:28:21,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:28:21,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:28:21,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:28:21,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:28:21,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:28:21,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:28:21,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:28:21,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:28:21,153 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 [2020-09-21 12:28:21,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:28:21,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:28:21,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:28:21,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:28:21,208 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:28:21,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:28:21,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:28:21,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:28:21,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:28:21,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:28:21,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:28:21,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:28:21,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:28:21,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:28:21,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:28:21,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:28:21,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:28:21,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:28:21,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:28:21,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:28:21,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:28:21,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:28:21,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:28:21,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:28:21,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:28:21,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:28:21,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:28:21,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:28:21,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:28:21,214 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:28:21,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:28:21,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:28:21,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:28:21,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:28:21,710 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:28:21,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-09-21 12:28:21,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33c396201/db5d807fd4d44c3d9ca8aa2f1c752ddc/FLAGf15fbcddd [2020-09-21 12:28:22,487 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:28:22,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-09-21 12:28:22,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33c396201/db5d807fd4d44c3d9ca8aa2f1c752ddc/FLAGf15fbcddd [2020-09-21 12:28:22,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33c396201/db5d807fd4d44c3d9ca8aa2f1c752ddc [2020-09-21 12:28:22,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:28:22,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:28:22,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:22,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:28:22,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:28:22,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:22" (1/1) ... [2020-09-21 12:28:22,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601fc90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:22, skipping insertion in model container [2020-09-21 12:28:22,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:22" (1/1) ... [2020-09-21 12:28:22,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:28:22,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:28:23,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:23,451 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:28:23,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:23,575 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:28:23,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23 WrapperNode [2020-09-21 12:28:23,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:23,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:28:23,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:28:23,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:28:23,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:28:23,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:28:23,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:28:23,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:28:23,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (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 [2020-09-21 12:28:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:28:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:28:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:28:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:28:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:28:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:28:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:28:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:28:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:28:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:28:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:28:25,091 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:28:25,092 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:28:25,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:25 BoogieIcfgContainer [2020-09-21 12:28:25,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:28:25,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:28:25,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:28:25,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:28:25,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:28:22" (1/3) ... [2020-09-21 12:28:25,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcddebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:25, skipping insertion in model container [2020-09-21 12:28:25,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (2/3) ... [2020-09-21 12:28:25,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcddebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:25, skipping insertion in model container [2020-09-21 12:28:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:25" (3/3) ... [2020-09-21 12:28:25,116 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2020-09-21 12:28:25,128 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:28:25,143 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:28:25,166 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:28:25,207 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:28:25,207 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:28:25,208 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:28:25,208 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:28:25,208 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:28:25,208 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:28:25,208 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:28:25,208 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:28:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 12:28:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 12:28:25,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:25,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:25,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:25,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1328102103, now seen corresponding path program 1 times [2020-09-21 12:28:25,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:25,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5545876] [2020-09-21 12:28:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:26,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:26,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:26,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 12:28:26,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:26,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:28:26,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:28:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:28:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 12:28:26,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:28:26,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:26,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:26,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:26,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:26,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:26,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:26,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:28:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:26,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5545876] [2020-09-21 12:28:26,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:28:26,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:28:26,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639397148] [2020-09-21 12:28:26,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:28:26,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:26,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:28:26,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:28:26,974 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-09-21 12:28:29,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:29,017 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-21 12:28:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:29,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-09-21 12:28:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:29,047 INFO L225 Difference]: With dead ends: 557 [2020-09-21 12:28:29,047 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 12:28:29,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 12:28:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 12:28:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 12:28:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-09-21 12:28:29,146 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 121 [2020-09-21 12:28:29,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:29,147 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-09-21 12:28:29,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:28:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-09-21 12:28:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-21 12:28:29,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:29,153 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:28:29,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:28:29,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:29,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1654189344, now seen corresponding path program 1 times [2020-09-21 12:28:29,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:29,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862800237] [2020-09-21 12:28:29,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:29,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 12:28:30,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:28:30,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 12:28:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 12:28:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:30,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:30,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:28:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:30,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:28:30,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:30,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:28:30,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:30,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:28:30,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:30,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862800237] [2020-09-21 12:28:30,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:30,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:30,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089763937] [2020-09-21 12:28:30,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:30,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:30,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:30,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:30,699 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-09-21 12:28:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:31,902 INFO L93 Difference]: Finished difference Result 659 states and 966 transitions. [2020-09-21 12:28:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:31,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-09-21 12:28:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:31,907 INFO L225 Difference]: With dead ends: 659 [2020-09-21 12:28:31,907 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 12:28:31,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 12:28:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 12:28:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 12:28:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 356 transitions. [2020-09-21 12:28:31,957 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 356 transitions. Word has length 131 [2020-09-21 12:28:31,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:31,957 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 356 transitions. [2020-09-21 12:28:31,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 356 transitions. [2020-09-21 12:28:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 12:28:31,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:31,963 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:28:31,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:28:31,964 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:31,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1679080988, now seen corresponding path program 1 times [2020-09-21 12:28:31,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:31,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241528540] [2020-09-21 12:28:31,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:32,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:32,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:33,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:33,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 12:28:33,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:28:33,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 12:28:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:28:33,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:33,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:33,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:33,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:33,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:33,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:33,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:28:33,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:28:33,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:28:33,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:33,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241528540] [2020-09-21 12:28:33,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:33,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:33,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224311598] [2020-09-21 12:28:33,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:33,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:33,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:33,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:33,630 INFO L87 Difference]: Start difference. First operand 280 states and 356 transitions. Second operand 5 states. [2020-09-21 12:28:34,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:34,781 INFO L93 Difference]: Finished difference Result 642 states and 849 transitions. [2020-09-21 12:28:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:34,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-09-21 12:28:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:34,786 INFO L225 Difference]: With dead ends: 642 [2020-09-21 12:28:34,787 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 12:28:34,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:34,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 12:28:34,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 12:28:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 12:28:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 354 transitions. [2020-09-21 12:28:34,805 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 354 transitions. Word has length 133 [2020-09-21 12:28:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:34,806 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 354 transitions. [2020-09-21 12:28:34,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 354 transitions. [2020-09-21 12:28:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:28:34,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:34,808 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:28:34,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:28:34,809 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:34,809 INFO L82 PathProgramCache]: Analyzing trace with hash 982548902, now seen corresponding path program 1 times [2020-09-21 12:28:34,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:34,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241135926] [2020-09-21 12:28:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:34,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:34,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:35,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 12:28:35,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:28:35,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 12:28:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 12:28:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:36,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:36,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:36,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:36,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:36,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:36,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:36,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:36,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:36,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:36,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:36,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:36,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:28:36,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:36,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:36,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:28:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:36,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241135926] [2020-09-21 12:28:36,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:36,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:36,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272311865] [2020-09-21 12:28:36,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:36,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:36,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:36,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:36,140 INFO L87 Difference]: Start difference. First operand 280 states and 354 transitions. Second operand 5 states. [2020-09-21 12:28:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:37,342 INFO L93 Difference]: Finished difference Result 697 states and 902 transitions. [2020-09-21 12:28:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:37,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-09-21 12:28:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:37,346 INFO L225 Difference]: With dead ends: 697 [2020-09-21 12:28:37,346 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 12:28:37,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 12:28:37,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-09-21 12:28:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 12:28:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 521 transitions. [2020-09-21 12:28:37,371 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 521 transitions. Word has length 136 [2020-09-21 12:28:37,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:37,372 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 521 transitions. [2020-09-21 12:28:37,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 521 transitions. [2020-09-21 12:28:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-21 12:28:37,374 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:37,375 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:28:37,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:28:37,375 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:37,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:37,375 INFO L82 PathProgramCache]: Analyzing trace with hash -858722454, now seen corresponding path program 1 times [2020-09-21 12:28:37,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:37,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845861447] [2020-09-21 12:28:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:37,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:37,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-21 12:28:38,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:28:38,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:28:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 12:28:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:38,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:38,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:38,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:28:38,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:28:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:38,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845861447] [2020-09-21 12:28:38,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:38,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:38,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495108378] [2020-09-21 12:28:38,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:38,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:38,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:38,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:38,644 INFO L87 Difference]: Start difference. First operand 419 states and 521 transitions. Second operand 5 states. [2020-09-21 12:28:39,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:39,894 INFO L93 Difference]: Finished difference Result 1247 states and 1580 transitions. [2020-09-21 12:28:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:39,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-09-21 12:28:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:39,903 INFO L225 Difference]: With dead ends: 1247 [2020-09-21 12:28:39,903 INFO L226 Difference]: Without dead ends: 834 [2020-09-21 12:28:39,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-09-21 12:28:39,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 693. [2020-09-21 12:28:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-09-21 12:28:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 852 transitions. [2020-09-21 12:28:39,960 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 852 transitions. Word has length 138 [2020-09-21 12:28:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:39,962 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 852 transitions. [2020-09-21 12:28:39,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 852 transitions. [2020-09-21 12:28:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-21 12:28:39,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:39,970 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:39,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:28:39,971 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:39,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:39,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1440934099, now seen corresponding path program 1 times [2020-09-21 12:28:39,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:39,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727776900] [2020-09-21 12:28:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:40,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 12:28:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:28:41,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:28:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:28:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:28:41,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:28:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:41,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:28:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 12:28:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:28:41,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:28:41,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:41,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:28:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:41,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727776900] [2020-09-21 12:28:41,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:41,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:41,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592906413] [2020-09-21 12:28:41,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:41,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:41,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:41,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:41,317 INFO L87 Difference]: Start difference. First operand 693 states and 852 transitions. Second operand 7 states. [2020-09-21 12:28:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:42,569 INFO L93 Difference]: Finished difference Result 1964 states and 2477 transitions. [2020-09-21 12:28:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:42,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-21 12:28:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:42,584 INFO L225 Difference]: With dead ends: 1964 [2020-09-21 12:28:42,585 INFO L226 Difference]: Without dead ends: 1277 [2020-09-21 12:28:42,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:28:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-09-21 12:28:42,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1120. [2020-09-21 12:28:42,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-09-21 12:28:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1380 transitions. [2020-09-21 12:28:42,654 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1380 transitions. Word has length 169 [2020-09-21 12:28:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:42,654 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1380 transitions. [2020-09-21 12:28:42,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1380 transitions. [2020-09-21 12:28:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-21 12:28:42,660 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:42,660 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:42,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:28:42,661 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:42,661 INFO L82 PathProgramCache]: Analyzing trace with hash -454012881, now seen corresponding path program 1 times [2020-09-21 12:28:42,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:42,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860020603] [2020-09-21 12:28:42,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:42,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:42,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:43,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:43,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:43,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:28:43,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:28:43,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-21 12:28:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 12:28:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:44,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:44,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:44,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:28:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:44,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:44,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:28:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:44,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 12:28:44,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:44,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 12:28:44,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:44,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 12:28:44,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:28:44,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860020603] [2020-09-21 12:28:44,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:44,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:44,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474573268] [2020-09-21 12:28:44,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:44,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:44,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:44,455 INFO L87 Difference]: Start difference. First operand 1120 states and 1380 transitions. Second operand 7 states. [2020-09-21 12:28:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:45,685 INFO L93 Difference]: Finished difference Result 2318 states and 2883 transitions. [2020-09-21 12:28:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:45,689 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-09-21 12:28:45,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:45,695 INFO L225 Difference]: With dead ends: 2318 [2020-09-21 12:28:45,696 INFO L226 Difference]: Without dead ends: 1126 [2020-09-21 12:28:45,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:28:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-09-21 12:28:45,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1120. [2020-09-21 12:28:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-09-21 12:28:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1377 transitions. [2020-09-21 12:28:45,751 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1377 transitions. Word has length 179 [2020-09-21 12:28:45,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:45,751 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1377 transitions. [2020-09-21 12:28:45,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1377 transitions. [2020-09-21 12:28:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-21 12:28:45,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:45,757 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:28:45,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:28:45,757 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:45,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:45,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1739640243, now seen corresponding path program 1 times [2020-09-21 12:28:45,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:45,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765318000] [2020-09-21 12:28:45,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:46,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:46,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:46,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 12:28:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:28:46,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:46,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:28:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:28:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:47,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:47,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:47,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:47,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:47,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:47,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:47,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:28:47,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:47,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:28:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:47,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:47,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 12:28:47,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:47,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:28:47,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 12:28:47,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:28:47,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765318000] [2020-09-21 12:28:47,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:47,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:47,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695760754] [2020-09-21 12:28:47,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:47,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:47,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:47,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:47,333 INFO L87 Difference]: Start difference. First operand 1120 states and 1377 transitions. Second operand 5 states. [2020-09-21 12:28:48,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:48,359 INFO L93 Difference]: Finished difference Result 2314 states and 2895 transitions. [2020-09-21 12:28:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:48,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2020-09-21 12:28:48,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:48,365 INFO L225 Difference]: With dead ends: 2314 [2020-09-21 12:28:48,365 INFO L226 Difference]: Without dead ends: 1126 [2020-09-21 12:28:48,369 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 [2020-09-21 12:28:48,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-09-21 12:28:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1120. [2020-09-21 12:28:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-09-21 12:28:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1373 transitions. [2020-09-21 12:28:48,410 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1373 transitions. Word has length 181 [2020-09-21 12:28:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:48,411 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1373 transitions. [2020-09-21 12:28:48,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1373 transitions. [2020-09-21 12:28:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-09-21 12:28:48,416 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:48,416 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, 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] [2020-09-21 12:28:48,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:28:48,417 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:48,417 INFO L82 PathProgramCache]: Analyzing trace with hash 2094224685, now seen corresponding path program 1 times [2020-09-21 12:28:48,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:48,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395729903] [2020-09-21 12:28:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:49,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:49,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 12:28:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:28:49,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 12:28:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:28:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:49,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:49,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:49,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:49,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 12:28:49,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 12:28:49,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:28:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:28:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:49,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:28:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 12:28:49,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:28:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:49,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395729903] [2020-09-21 12:28:49,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:49,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:28:49,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112382845] [2020-09-21 12:28:49,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:28:49,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:49,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:28:49,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:28:49,915 INFO L87 Difference]: Start difference. First operand 1120 states and 1373 transitions. Second operand 8 states. [2020-09-21 12:28:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:51,310 INFO L93 Difference]: Finished difference Result 2792 states and 3490 transitions. [2020-09-21 12:28:51,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:51,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 186 [2020-09-21 12:28:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:51,324 INFO L225 Difference]: With dead ends: 2792 [2020-09-21 12:28:51,324 INFO L226 Difference]: Without dead ends: 1678 [2020-09-21 12:28:51,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:28:51,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-09-21 12:28:51,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1390. [2020-09-21 12:28:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-09-21 12:28:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1713 transitions. [2020-09-21 12:28:51,373 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1713 transitions. Word has length 186 [2020-09-21 12:28:51,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:51,373 INFO L479 AbstractCegarLoop]: Abstraction has 1390 states and 1713 transitions. [2020-09-21 12:28:51,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:28:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1713 transitions. [2020-09-21 12:28:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-21 12:28:51,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:51,378 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:51,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:28:51,379 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:51,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1399651525, now seen corresponding path program 1 times [2020-09-21 12:28:51,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:51,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959868243] [2020-09-21 12:28:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:52,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:52,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-21 12:28:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:28:52,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-21 12:28:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:28:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:52,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:52,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:52,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:28:52,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:52,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:52,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:52,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:52,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:52,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:52,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:28:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:52,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:52,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:28:52,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:52,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 12:28:52,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:52,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:52,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 12:28:52,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:28:52,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959868243] [2020-09-21 12:28:52,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:52,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:52,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558114831] [2020-09-21 12:28:52,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:52,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:52,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:52,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:52,998 INFO L87 Difference]: Start difference. First operand 1390 states and 1713 transitions. Second operand 5 states. [2020-09-21 12:28:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:54,053 INFO L93 Difference]: Finished difference Result 2537 states and 3152 transitions. [2020-09-21 12:28:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:54,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-09-21 12:28:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:54,056 INFO L225 Difference]: With dead ends: 2537 [2020-09-21 12:28:54,056 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:28:54,062 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 [2020-09-21 12:28:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:28:54,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:28:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:28:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:28:54,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-09-21 12:28:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:54,063 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:28:54,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:54,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:28:54,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:28:54,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:28:54,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:28:55,215 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 106 [2020-09-21 12:28:55,667 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 106 [2020-09-21 12:28:56,285 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 59 [2020-09-21 12:28:56,529 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 40 [2020-09-21 12:28:56,667 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 40 [2020-09-21 12:28:56,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:28:56,672 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 12:28:56,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,673 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 12:28:56,674 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,675 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 12:28:56,676 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 12:28:56,677 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,678 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 12:28:56,679 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 12:28:56,680 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 12:28:56,680 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,680 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,680 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,681 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,681 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,681 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 12:28:56,681 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 12:28:56,681 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 12:28:56,682 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 12:28:56,684 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:28:56,684 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 12:28:56,684 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 12:28:56,684 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,685 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 12:28:56,686 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,687 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 12:28:56,688 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 12:28:56,689 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 12:28:56,690 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,691 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,692 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,692 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,692 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:28:56,693 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 12:28:56,693 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 12:28:56,693 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 12:28:56,693 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 12:28:56,693 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 12:28:56,694 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:28:56,694 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 12:28:56,694 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 12:28:56,694 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 12:28:56,696 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a8~0 |old(~a8~0)|)) (.cse2 (= |old(~a20~0)| 1)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a20~0 |old(~a20~0)|))) (let ((.cse1 (not (= |old(~a8~0)| 13))) (.cse3 (= |old(~a17~0)| 1)) (.cse8 (= |old(~a7~0)| 1)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse5 (and .cse10 .cse9 (= ~a21~0 1) .cse11 (= ~a8~0 13) (= ~a16~0 4))) (.cse6 (not (= ~a12~0 8))) (.cse7 (not (= 4 |old(~a16~0)|))) (.cse14 (not .cse2)) (.cse0 (and .cse9 .cse10 (= ~a21~0 |old(~a21~0)|) .cse11 .cse12 .cse13))) (and (or (not (<= 14 |old(~a8~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or (not (= 0 |old(~a21~0)|)) (and .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a21~0 0))) (or .cse1 (not .cse3) (not .cse8) .cse14 .cse4 .cse5 .cse6 .cse7) (or (not (<= |old(~a7~0)| 0)) .cse14 .cse0)))) [2020-09-21 12:28:56,696 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 12:28:56,696 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,696 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,696 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,696 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 12:28:56,697 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,698 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 12:28:56,699 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 12:28:56,700 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 12:28:56,701 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 12:28:56,702 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 12:28:56,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:28:56,703 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (<= ~a7~0 0) (= ~a20~0 1)) [2020-09-21 12:28:56,703 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:28:56,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:28:56,703 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a7~0)| 0)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= |old(~a20~0)| 1)) (not (= 15 |old(~a8~0)|))) [2020-09-21 12:28:56,703 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:28:56,703 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse6 (= ~a17~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a8~0 13)) (.cse5 (= ~a16~0 4)) (.cse1 (= ~a7~0 1)) (.cse4 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (<= 14 ~a8~0) (and (<= ~a7~0 0) .cse4) (not (<= |old(~a7~0)| 0)) (not (= |old(~a20~0)| 1)) (= ~a21~0 0) (and .cse0 (not .cse6) .cse2 .cse3 .cse5 (not .cse1) (not .cse4)) (not (= 15 |old(~a8~0)|)))) [2020-09-21 12:28:56,704 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 12:28:56,704 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 12:28:56,704 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse6 (= ~a17~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a8~0 13)) (.cse5 (= ~a16~0 4)) (.cse1 (= ~a7~0 1)) (.cse4 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (<= 14 ~a8~0) (and (<= ~a7~0 0) .cse4) (not (<= |old(~a7~0)| 0)) (not (= |old(~a20~0)| 1)) (= ~a21~0 0) (and .cse0 (not .cse6) .cse2 .cse3 .cse5 (not .cse1) (not .cse4)) (not (= 15 |old(~a8~0)|)))) [2020-09-21 12:28:56,704 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:28:56,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:28:56 BoogieIcfgContainer [2020-09-21 12:28:56,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:28:56,744 INFO L168 Benchmark]: Toolchain (without parser) took 33972.32 ms. Allocated memory was 137.4 MB in the beginning and 642.8 MB in the end (delta: 505.4 MB). Free memory was 97.7 MB in the beginning and 555.9 MB in the end (delta: -458.1 MB). Peak memory consumption was 528.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,746 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.68 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 97.1 MB in the beginning and 167.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,750 INFO L168 Benchmark]: Boogie Preprocessor took 139.64 ms. Allocated memory is still 202.4 MB. Free memory was 167.7 MB in the beginning and 162.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,753 INFO L168 Benchmark]: RCFGBuilder took 1383.94 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 162.6 MB in the beginning and 176.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,755 INFO L168 Benchmark]: TraceAbstraction took 31636.71 ms. Allocated memory was 231.2 MB in the beginning and 642.8 MB in the end (delta: 411.6 MB). Free memory was 176.5 MB in the beginning and 555.9 MB in the end (delta: -379.4 MB). Peak memory consumption was 513.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:28:56,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.68 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 97.1 MB in the beginning and 167.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.64 ms. Allocated memory is still 202.4 MB. Free memory was 167.7 MB in the beginning and 162.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1383.94 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 162.6 MB in the beginning and 176.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31636.71 ms. Allocated memory was 231.2 MB in the beginning and 642.8 MB in the end (delta: 411.6 MB). Free memory was 176.5 MB in the beginning and 555.9 MB in the end (delta: -379.4 MB). Peak memory consumption was 513.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((a21 == 1 && a7 == 1) && a12 == 8) && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1) || 14 <= a8) || (a7 <= 0 && a20 == 1)) || !(\old(a7) <= 0)) || !(\old(a20) == 1)) || a21 == 0) || ((((((a21 == 1 && !(a17 == 1)) && a12 == 8) && a8 == 13) && a16 == 4) && !(a7 == 1)) && !(a20 == 1))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 246 SDtfs, 2909 SDslu, 228 SDs, 0 SdLazy, 5719 SolverSat, 817 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1390occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 620 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 97 NumberOfFragments, 417 HoareAnnotationTreeSize, 69 FomulaSimplifications, 390771 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1496 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1551 ConstructedInterpolants, 0 QuantifiedInterpolants, 2168828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 381/395 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...