/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:44:01,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:44:01,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:44:01,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:44:01,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:44:01,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:44:01,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:44:01,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:44:01,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:44:01,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:44:01,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:44:01,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:44:01,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:44:01,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:44:01,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:44:01,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:44:01,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:44:01,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:44:01,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:44:01,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:44:01,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:44:01,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:44:01,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:44:01,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:44:01,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:44:01,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:44:01,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:44:01,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:44:01,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:44:01,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:44:01,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:44:01,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:44:01,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:44:01,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:44:01,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:44:01,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:44:01,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:44:01,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:44:01,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:44:01,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:44:01,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:44:01,701 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 [2020-09-25 05:44:01,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:44:01,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:44:01,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:44:01,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:44:01,748 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:44:01,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:44:01,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:44:01,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:44:01,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:44:01,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:44:01,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:44:01,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:44:01,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:44:01,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:44:01,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:44:01,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:44:01,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:44:01,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:44:01,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:44:01,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:44:01,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:44:01,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:44:01,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:44:01,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:44:01,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:44:01,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:44:01,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:44:01,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:44:01,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:44:01,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:44:02,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:44:02,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:44:02,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:44:02,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:44:02,272 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:44:02,274 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-25 05:44:02,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08302ab84/98b8e037113842f6934878199eae3f1f/FLAG1a44dbbc5 [2020-09-25 05:44:02,955 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:44:02,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-25 05:44:02,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08302ab84/98b8e037113842f6934878199eae3f1f/FLAG1a44dbbc5 [2020-09-25 05:44:03,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08302ab84/98b8e037113842f6934878199eae3f1f [2020-09-25 05:44:03,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:44:03,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:44:03,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:44:03,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:44:03,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:44:03,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca427fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03, skipping insertion in model container [2020-09-25 05:44:03,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:44:03,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:44:03,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:44:03,715 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:44:03,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:44:03,870 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:44:03,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03 WrapperNode [2020-09-25 05:44:03,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:44:03,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:44:03,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:44:03,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:44:03,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:44:03,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:44:03,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:44:03,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:44:03,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (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 [2020-09-25 05:44:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:44:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:44:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:44:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:44:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:44:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:44:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:44:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 05:44:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:44:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:44:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:44:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:44:04,654 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:44:04,654 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:44:04,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:04 BoogieIcfgContainer [2020-09-25 05:44:04,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:44:04,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:44:04,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:44:04,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:44:04,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:44:03" (1/3) ... [2020-09-25 05:44:04,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa37e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:44:04, skipping insertion in model container [2020-09-25 05:44:04,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03" (2/3) ... [2020-09-25 05:44:04,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa37e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:44:04, skipping insertion in model container [2020-09-25 05:44:04,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:04" (3/3) ... [2020-09-25 05:44:04,685 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-25 05:44:04,698 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:44:04,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-25 05:44:04,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-25 05:44:04,774 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:44:04,774 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:44:04,774 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:44:04,774 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:44:04,775 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:44:04,775 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:44:04,775 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:44:04,775 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:44:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-25 05:44:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 05:44:04,812 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:04,813 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] [2020-09-25 05:44:04,814 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:04,820 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-25 05:44:04,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:04,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684634799] [2020-09-25 05:44:04,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:05,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:05,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:05,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 05:44:05,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:05,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-09-25 05:44:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:05,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 05:44:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:44:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:05,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:05,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:05,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:44:05,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:05,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:05,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684634799] [2020-09-25 05:44:05,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:05,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:05,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359906793] [2020-09-25 05:44:05,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:05,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:05,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:05,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:05,640 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-25 05:44:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:06,634 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-25 05:44:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:06,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 05:44:06,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:06,676 INFO L225 Difference]: With dead ends: 339 [2020-09-25 05:44:06,676 INFO L226 Difference]: Without dead ends: 287 [2020-09-25 05:44:06,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-25 05:44:06,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-25 05:44:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 05:44:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-25 05:44:06,779 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-25 05:44:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:06,780 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-25 05:44:06,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-25 05:44:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 05:44:06,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:06,781 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] [2020-09-25 05:44:06,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:44:06,782 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:06,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:06,790 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-25 05:44:06,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:06,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020645228] [2020-09-25 05:44:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:06,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:06,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 05:44:06,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 05:44:06,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:06,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:06,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 05:44:06,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:07,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:07,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:07,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:07,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:07,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:07,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020645228] [2020-09-25 05:44:07,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:07,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:07,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198191987] [2020-09-25 05:44:07,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:07,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:07,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:07,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:07,106 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-25 05:44:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:07,951 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-25 05:44:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:07,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 05:44:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:07,954 INFO L225 Difference]: With dead ends: 287 [2020-09-25 05:44:07,954 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 05:44:07,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:07,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 05:44:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-25 05:44:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-25 05:44:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-25 05:44:07,973 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-25 05:44:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:07,974 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-25 05:44:07,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-25 05:44:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 05:44:07,976 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:07,976 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] [2020-09-25 05:44:07,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:44:07,977 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:07,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:07,977 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-25 05:44:07,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:07,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192282401] [2020-09-25 05:44:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:08,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:09,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:44:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:44:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1720 [2020-09-25 05:44:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:09,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:44:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:09,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:09,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:09,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:09,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:09,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:09,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:09,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192282401] [2020-09-25 05:44:09,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:09,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:09,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954747577] [2020-09-25 05:44:09,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:09,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:09,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:09,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:09,808 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 8 states. [2020-09-25 05:44:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:10,297 INFO L93 Difference]: Finished difference Result 191 states and 195 transitions. [2020-09-25 05:44:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:10,298 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-25 05:44:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:10,300 INFO L225 Difference]: With dead ends: 191 [2020-09-25 05:44:10,300 INFO L226 Difference]: Without dead ends: 189 [2020-09-25 05:44:10,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-25 05:44:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-09-25 05:44:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-25 05:44:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-25 05:44:10,311 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-25 05:44:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:10,312 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-25 05:44:10,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-25 05:44:10,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 05:44:10,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:10,314 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] [2020-09-25 05:44:10,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:44:10,315 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:10,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:10,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-25 05:44:10,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:10,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221111529] [2020-09-25 05:44:10,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:11,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:11,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:44:11,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:44:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-09-25 05:44:11,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:11,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:44:11,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:11,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:11,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:11,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221111529] [2020-09-25 05:44:11,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:11,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:11,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127648040] [2020-09-25 05:44:11,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:11,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:11,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:11,778 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 8 states. [2020-09-25 05:44:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:12,239 INFO L93 Difference]: Finished difference Result 189 states and 193 transitions. [2020-09-25 05:44:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:12,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-25 05:44:12,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:12,242 INFO L225 Difference]: With dead ends: 189 [2020-09-25 05:44:12,242 INFO L226 Difference]: Without dead ends: 187 [2020-09-25 05:44:12,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-09-25 05:44:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-09-25 05:44:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-25 05:44:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-25 05:44:12,251 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-25 05:44:12,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:12,252 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-25 05:44:12,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-25 05:44:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:12,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:12,254 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] [2020-09-25 05:44:12,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:44:12,255 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:12,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:12,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-25 05:44:12,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:12,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273761656] [2020-09-25 05:44:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-09-25 05:44:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 05:44:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:13,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273761656] [2020-09-25 05:44:13,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:13,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:13,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020560342] [2020-09-25 05:44:13,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:13,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:13,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:13,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:13,171 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 6 states. [2020-09-25 05:44:13,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:13,490 INFO L93 Difference]: Finished difference Result 187 states and 191 transitions. [2020-09-25 05:44:13,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:13,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 05:44:13,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:13,492 INFO L225 Difference]: With dead ends: 187 [2020-09-25 05:44:13,492 INFO L226 Difference]: Without dead ends: 175 [2020-09-25 05:44:13,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-25 05:44:13,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-25 05:44:13,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-25 05:44:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-25 05:44:13,500 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-25 05:44:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:13,500 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-25 05:44:13,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-25 05:44:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:13,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:13,503 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] [2020-09-25 05:44:13,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:44:13,503 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:13,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:13,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-25 05:44:13,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:13,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803522687] [2020-09-25 05:44:13,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:13,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:13,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 05:44:13,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 05:44:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:13,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:13,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:13,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803522687] [2020-09-25 05:44:13,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:13,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:13,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844367264] [2020-09-25 05:44:13,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:13,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:13,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:13,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:13,851 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 7 states. [2020-09-25 05:44:14,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:14,465 INFO L93 Difference]: Finished difference Result 297 states and 304 transitions. [2020-09-25 05:44:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:14,466 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-25 05:44:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:14,474 INFO L225 Difference]: With dead ends: 297 [2020-09-25 05:44:14,475 INFO L226 Difference]: Without dead ends: 295 [2020-09-25 05:44:14,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-25 05:44:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-09-25 05:44:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-25 05:44:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-25 05:44:14,489 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-25 05:44:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:14,490 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-25 05:44:14,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-25 05:44:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:14,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:14,503 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] [2020-09-25 05:44:14,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:44:14,504 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:14,504 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-25 05:44:14,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:14,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219944030] [2020-09-25 05:44:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:14,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:14,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:14,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:14,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 05:44:14,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:14,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 05:44:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:14,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:14,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:14,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:14,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:14,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:14,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:14,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:14,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:14,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219944030] [2020-09-25 05:44:14,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:14,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:14,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663840392] [2020-09-25 05:44:14,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:14,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:14,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:14,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:14,903 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 7 states. [2020-09-25 05:44:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:15,392 INFO L93 Difference]: Finished difference Result 256 states and 262 transitions. [2020-09-25 05:44:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 05:44:15,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-25 05:44:15,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:15,396 INFO L225 Difference]: With dead ends: 256 [2020-09-25 05:44:15,396 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 05:44:15,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:44:15,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 05:44:15,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 171. [2020-09-25 05:44:15,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-25 05:44:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-25 05:44:15,408 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-25 05:44:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:15,409 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-25 05:44:15,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-25 05:44:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:15,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:15,412 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] [2020-09-25 05:44:15,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 05:44:15,413 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:15,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:15,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-25 05:44:15,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:15,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102663919] [2020-09-25 05:44:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:15,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-09-25 05:44:16,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 05:44:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:16,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:16,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:16,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:16,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:16,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:16,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:16,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:16,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:16,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102663919] [2020-09-25 05:44:16,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:16,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:16,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410987726] [2020-09-25 05:44:16,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:16,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:16,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:16,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:16,308 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 6 states. [2020-09-25 05:44:16,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:16,605 INFO L93 Difference]: Finished difference Result 171 states and 175 transitions. [2020-09-25 05:44:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:16,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 05:44:16,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:16,607 INFO L225 Difference]: With dead ends: 171 [2020-09-25 05:44:16,608 INFO L226 Difference]: Without dead ends: 159 [2020-09-25 05:44:16,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:16,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-25 05:44:16,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-09-25 05:44:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 05:44:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-25 05:44:16,614 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-25 05:44:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:16,614 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-25 05:44:16,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-25 05:44:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:16,615 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:16,616 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] [2020-09-25 05:44:16,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 05:44:16,616 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:16,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-25 05:44:16,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:16,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332095062] [2020-09-25 05:44:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:16,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-25 05:44:16,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:16,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:16,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:16,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:16,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:16,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:16,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332095062] [2020-09-25 05:44:16,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:16,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:16,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796718251] [2020-09-25 05:44:16,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:16,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:16,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:16,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:16,968 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 7 states. [2020-09-25 05:44:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:17,432 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-25 05:44:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:17,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:17,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:17,434 INFO L225 Difference]: With dead ends: 229 [2020-09-25 05:44:17,435 INFO L226 Difference]: Without dead ends: 227 [2020-09-25 05:44:17,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:17,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-25 05:44:17,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-25 05:44:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 05:44:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-25 05:44:17,442 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-25 05:44:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:17,443 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-25 05:44:17,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-25 05:44:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:17,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:17,444 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] [2020-09-25 05:44:17,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 05:44:17,444 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:17,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-25 05:44:17,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:17,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659853841] [2020-09-25 05:44:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:17,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:17,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-25 05:44:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:17,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:17,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:17,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:17,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:17,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:17,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:17,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:17,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:17,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:17,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659853841] [2020-09-25 05:44:17,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:17,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:17,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817845220] [2020-09-25 05:44:17,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:17,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:17,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:17,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:17,799 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 7 states. [2020-09-25 05:44:18,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:18,201 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-25 05:44:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:18,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:18,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:18,203 INFO L225 Difference]: With dead ends: 210 [2020-09-25 05:44:18,203 INFO L226 Difference]: Without dead ends: 208 [2020-09-25 05:44:18,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-25 05:44:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-25 05:44:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 05:44:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-25 05:44:18,210 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-25 05:44:18,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:18,210 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-25 05:44:18,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-25 05:44:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:18,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:18,211 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] [2020-09-25 05:44:18,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 05:44:18,212 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:18,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:18,212 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-25 05:44:18,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:18,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556200202] [2020-09-25 05:44:18,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:18,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:18,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:18,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:18,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:18,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:18,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-09-25 05:44:18,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:18,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:18,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:18,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:18,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:18,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:18,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:18,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:18,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:18,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:18,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:18,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556200202] [2020-09-25 05:44:18,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:18,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:18,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989952244] [2020-09-25 05:44:18,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:18,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:18,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:18,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:18,588 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 7 states. [2020-09-25 05:44:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:19,061 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-25 05:44:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 05:44:19,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:19,064 INFO L225 Difference]: With dead ends: 161 [2020-09-25 05:44:19,065 INFO L226 Difference]: Without dead ends: 159 [2020-09-25 05:44:19,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:44:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-25 05:44:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-25 05:44:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-25 05:44:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-25 05:44:19,075 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-25 05:44:19,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:19,075 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-25 05:44:19,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-25 05:44:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:19,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:19,077 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] [2020-09-25 05:44:19,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 05:44:19,078 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:19,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:19,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-25 05:44:19,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:19,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049299284] [2020-09-25 05:44:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:19,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:19,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:19,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:19,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:19,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 670 [2020-09-25 05:44:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:19,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 05:44:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:19,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:19,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:19,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:19,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:19,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:19,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:19,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:19,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:19,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:19,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:19,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049299284] [2020-09-25 05:44:19,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:19,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:19,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490248648] [2020-09-25 05:44:19,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:19,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:19,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:19,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:19,884 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 8 states. [2020-09-25 05:44:20,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:20,539 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2020-09-25 05:44:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:20,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-25 05:44:20,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:20,542 INFO L225 Difference]: With dead ends: 257 [2020-09-25 05:44:20,542 INFO L226 Difference]: Without dead ends: 255 [2020-09-25 05:44:20,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:20,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-25 05:44:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 151. [2020-09-25 05:44:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-25 05:44:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2020-09-25 05:44:20,551 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53 [2020-09-25 05:44:20,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:20,551 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2020-09-25 05:44:20,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2020-09-25 05:44:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:20,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:20,553 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] [2020-09-25 05:44:20,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 05:44:20,553 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:20,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:20,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-25 05:44:20,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:20,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437960439] [2020-09-25 05:44:20,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:20,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:20,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:21,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:21,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:21,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-09-25 05:44:21,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:21,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 05:44:21,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:21,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:21,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:21,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:21,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:21,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:21,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:21,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:21,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:21,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:21,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437960439] [2020-09-25 05:44:21,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:21,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:21,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847749862] [2020-09-25 05:44:21,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:21,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:21,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:21,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:21,341 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 8 states. [2020-09-25 05:44:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:21,962 INFO L93 Difference]: Finished difference Result 225 states and 231 transitions. [2020-09-25 05:44:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:44:21,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-25 05:44:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:21,964 INFO L225 Difference]: With dead ends: 225 [2020-09-25 05:44:21,964 INFO L226 Difference]: Without dead ends: 223 [2020-09-25 05:44:21,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 05:44:21,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-25 05:44:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 149. [2020-09-25 05:44:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-25 05:44:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2020-09-25 05:44:21,977 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53 [2020-09-25 05:44:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:21,978 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2020-09-25 05:44:21,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2020-09-25 05:44:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:21,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:21,980 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] [2020-09-25 05:44:21,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 05:44:21,980 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:21,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-25 05:44:21,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:21,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207300829] [2020-09-25 05:44:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:22,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:22,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:22,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 922 [2020-09-25 05:44:22,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:22,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:23,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:23,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207300829] [2020-09-25 05:44:23,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:23,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:23,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154976341] [2020-09-25 05:44:23,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:23,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:23,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:23,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:23,071 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 9 states. [2020-09-25 05:44:23,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:23,708 INFO L93 Difference]: Finished difference Result 373 states and 384 transitions. [2020-09-25 05:44:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:23,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:23,710 INFO L225 Difference]: With dead ends: 373 [2020-09-25 05:44:23,711 INFO L226 Difference]: Without dead ends: 371 [2020-09-25 05:44:23,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:23,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-25 05:44:23,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 178. [2020-09-25 05:44:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-25 05:44:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 185 transitions. [2020-09-25 05:44:23,722 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 185 transitions. Word has length 58 [2020-09-25 05:44:23,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:23,723 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 185 transitions. [2020-09-25 05:44:23,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 185 transitions. [2020-09-25 05:44:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:23,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:23,728 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] [2020-09-25 05:44:23,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 05:44:23,729 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:23,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:23,730 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-25 05:44:23,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:23,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546849465] [2020-09-25 05:44:23,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:23,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:24,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 946 [2020-09-25 05:44:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:24,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:24,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:24,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:24,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546849465] [2020-09-25 05:44:24,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:24,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:24,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079754462] [2020-09-25 05:44:24,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:24,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:24,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:24,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:24,853 INFO L87 Difference]: Start difference. First operand 178 states and 185 transitions. Second operand 9 states. [2020-09-25 05:44:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:25,431 INFO L93 Difference]: Finished difference Result 356 states and 367 transitions. [2020-09-25 05:44:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:25,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:25,438 INFO L225 Difference]: With dead ends: 356 [2020-09-25 05:44:25,438 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 05:44:25,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 05:44:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 188. [2020-09-25 05:44:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-25 05:44:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2020-09-25 05:44:25,457 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 58 [2020-09-25 05:44:25,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:25,457 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2020-09-25 05:44:25,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2020-09-25 05:44:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:25,458 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:25,459 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] [2020-09-25 05:44:25,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-25 05:44:25,459 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:25,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:25,459 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-25 05:44:25,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:25,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358669610] [2020-09-25 05:44:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:26,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:26,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:26,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 912 [2020-09-25 05:44:26,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:26,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:26,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:26,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:26,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:26,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:26,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:26,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:26,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:26,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:26,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358669610] [2020-09-25 05:44:26,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:26,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:26,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678472341] [2020-09-25 05:44:26,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:26,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:26,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:26,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:26,561 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 9 states. [2020-09-25 05:44:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:26,983 INFO L93 Difference]: Finished difference Result 241 states and 248 transitions. [2020-09-25 05:44:26,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:44:26,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:26,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:26,986 INFO L225 Difference]: With dead ends: 241 [2020-09-25 05:44:26,986 INFO L226 Difference]: Without dead ends: 229 [2020-09-25 05:44:26,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:26,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-09-25 05:44:26,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 188. [2020-09-25 05:44:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-25 05:44:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions. [2020-09-25 05:44:26,999 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 58 [2020-09-25 05:44:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:26,999 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions. [2020-09-25 05:44:26,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions. [2020-09-25 05:44:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-25 05:44:27,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:27,001 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] [2020-09-25 05:44:27,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-25 05:44:27,001 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:27,001 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-25 05:44:27,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:27,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971634413] [2020-09-25 05:44:27,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:32,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:32,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:44:32,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:44:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:44:32,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:32,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 05:44:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:32,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:32,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:32,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:32,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:32,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:32,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:32,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:32,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:32,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971634413] [2020-09-25 05:44:32,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:32,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:32,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610360444] [2020-09-25 05:44:32,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:32,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:32,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:32,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:32,085 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand 8 states. [2020-09-25 05:44:32,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:32,509 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-09-25 05:44:32,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:32,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-25 05:44:32,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:32,511 INFO L225 Difference]: With dead ends: 188 [2020-09-25 05:44:32,511 INFO L226 Difference]: Without dead ends: 186 [2020-09-25 05:44:32,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:32,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-25 05:44:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-09-25 05:44:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-25 05:44:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions. [2020-09-25 05:44:32,519 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 66 [2020-09-25 05:44:32,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:32,519 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions. [2020-09-25 05:44:32,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2020-09-25 05:44:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 05:44:32,520 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:32,520 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] [2020-09-25 05:44:32,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-25 05:44:32,521 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:32,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-25 05:44:32,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:32,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663927286] [2020-09-25 05:44:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:32,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:32,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2225 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:34,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:34,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:34,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:34,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:34,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:34,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:34,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:34,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663927286] [2020-09-25 05:44:34,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:34,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:34,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234519039] [2020-09-25 05:44:34,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:34,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:34,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:34,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:34,820 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand 6 states. [2020-09-25 05:44:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:35,162 INFO L93 Difference]: Finished difference Result 186 states and 192 transitions. [2020-09-25 05:44:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:35,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-25 05:44:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:35,164 INFO L225 Difference]: With dead ends: 186 [2020-09-25 05:44:35,164 INFO L226 Difference]: Without dead ends: 174 [2020-09-25 05:44:35,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-09-25 05:44:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-09-25 05:44:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-09-25 05:44:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions. [2020-09-25 05:44:35,178 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 71 [2020-09-25 05:44:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:35,179 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 180 transitions. [2020-09-25 05:44:35,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions. [2020-09-25 05:44:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 05:44:35,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:35,180 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] [2020-09-25 05:44:35,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-25 05:44:35,181 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:35,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:35,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1231856020, now seen corresponding path program 1 times [2020-09-25 05:44:35,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:35,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535817779] [2020-09-25 05:44:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:35,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:35,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3550 [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:38,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 05:44:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:38,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:38,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:38,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:38,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:38,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:38,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:38,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:38,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535817779] [2020-09-25 05:44:38,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:38,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:38,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669108625] [2020-09-25 05:44:38,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:38,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:38,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:38,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:38,876 INFO L87 Difference]: Start difference. First operand 174 states and 180 transitions. Second operand 8 states. [2020-09-25 05:44:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:39,339 INFO L93 Difference]: Finished difference Result 225 states and 233 transitions. [2020-09-25 05:44:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:39,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-25 05:44:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:39,341 INFO L225 Difference]: With dead ends: 225 [2020-09-25 05:44:39,341 INFO L226 Difference]: Without dead ends: 223 [2020-09-25 05:44:39,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:39,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-09-25 05:44:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 162. [2020-09-25 05:44:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-25 05:44:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions. [2020-09-25 05:44:39,352 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 71 [2020-09-25 05:44:39,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:39,352 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions. [2020-09-25 05:44:39,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2020-09-25 05:44:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 05:44:39,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:39,354 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] [2020-09-25 05:44:39,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-25 05:44:39,354 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-25 05:44:39,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:39,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451907800] [2020-09-25 05:44:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:39,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:42,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:42,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:44:42,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3540 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 05:44:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:43,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:43,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:43,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:43,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:43,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:43,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451907800] [2020-09-25 05:44:43,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:43,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:43,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553105513] [2020-09-25 05:44:43,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:43,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:43,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:43,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:43,055 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states. [2020-09-25 05:44:43,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:43,597 INFO L93 Difference]: Finished difference Result 210 states and 218 transitions. [2020-09-25 05:44:43,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:43,598 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-25 05:44:43,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:43,600 INFO L225 Difference]: With dead ends: 210 [2020-09-25 05:44:43,600 INFO L226 Difference]: Without dead ends: 208 [2020-09-25 05:44:43,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:43,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-25 05:44:43,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145. [2020-09-25 05:44:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-25 05:44:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2020-09-25 05:44:43,607 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78 [2020-09-25 05:44:43,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:43,607 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2020-09-25 05:44:43,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2020-09-25 05:44:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 05:44:43,608 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:43,609 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] [2020-09-25 05:44:43,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-25 05:44:43,609 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-25 05:44:43,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:43,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344062975] [2020-09-25 05:44:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:43,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:43,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3215 [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 05:44:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:46,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:46,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:46,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:46,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:46,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:46,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344062975] [2020-09-25 05:44:46,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:46,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:46,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25372333] [2020-09-25 05:44:46,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:46,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:46,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:46,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:46,956 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states. [2020-09-25 05:44:47,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:47,389 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2020-09-25 05:44:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:44:47,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-25 05:44:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:47,390 INFO L225 Difference]: With dead ends: 145 [2020-09-25 05:44:47,390 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:44:47,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:44:47,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:44:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:44:47,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:44:47,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-25 05:44:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:47,392 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:44:47,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:44:47,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:44:47,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-25 05:44:47,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:44:47,618 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-09-25 05:44:47,756 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 38 [2020-09-25 05:44:48,030 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 7 [2020-09-25 05:44:48,189 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:44:48,189 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 05:44:48,189 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 05:44:48,189 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 05:44:48,189 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:44:48,190 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 05:44:48,190 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 05:44:48,190 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 05:44:48,191 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:48,191 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:48,191 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-25 05:44:48,191 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) the Hoare annotation is: (and (not (= main_~__tmp_14~0 0)) (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0)) [2020-09-25 05:44:48,191 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-25 05:44:48,191 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-25 05:44:48,191 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-25 05:44:48,192 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-25 05:44:48,193 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-25 05:44:48,194 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-25 05:44:48,195 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-25 05:44:48,196 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-25 05:44:48,197 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-25 05:44:48,198 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-25 05:44:48,199 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-25 05:44:48,200 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-25 05:44:48,201 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-25 05:44:48,202 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-25 05:44:48,203 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1))) [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-25 05:44:48,204 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-25 05:44:48,205 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-25 05:44:48,206 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-25 05:44:48,207 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-25 05:44:48,208 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-25 05:44:48,209 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-25 05:44:48,209 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-25 05:44:48,210 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-25 05:44:48,211 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 05:44:48,212 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-25 05:44:48,213 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-25 05:44:48,214 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-25 05:44:48,215 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-25 05:44:48,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:44:48 BoogieIcfgContainer [2020-09-25 05:44:48,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 05:44:48,242 INFO L168 Benchmark]: Toolchain (without parser) took 44939.38 ms. Allocated memory was 138.9 MB in the beginning and 465.6 MB in the end (delta: 326.6 MB). Free memory was 102.1 MB in the beginning and 417.6 MB in the end (delta: -315.5 MB). Peak memory consumption was 343.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:48,243 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 05:44:48,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.51 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 101.5 MB in the beginning and 178.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:48,244 INFO L168 Benchmark]: Boogie Preprocessor took 47.41 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 177.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:48,245 INFO L168 Benchmark]: RCFGBuilder took 752.20 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 139.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:48,246 INFO L168 Benchmark]: TraceAbstraction took 43565.84 ms. Allocated memory was 200.8 MB in the beginning and 465.6 MB in the end (delta: 264.8 MB). Free memory was 139.6 MB in the beginning and 417.6 MB in the end (delta: -278.0 MB). Peak memory consumption was 319.4 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:48,249 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 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 558.51 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 101.5 MB in the beginning and 178.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.41 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 177.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 752.20 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 139.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43565.84 ms. Allocated memory was 200.8 MB in the beginning and 465.6 MB in the end (delta: 264.8 MB). Free memory was 139.6 MB in the beginning and 417.6 MB in the end (delta: -278.0 MB). Peak memory consumption was 319.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t < main__tagbuf_len + 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.6s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3531 SDtfs, 7093 SDslu, 7286 SDs, 0 SdLazy, 8389 SolverSat, 248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 64 SyntacticMatches, 18 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 1224 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 72 HoareAnnotationTreeSize, 9 FomulaSimplifications, 546576 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3944 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 30.4s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 222663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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...