/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:47:08,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:47:08,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:47:08,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:47:08,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:47:08,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:47:08,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:47:08,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:47:08,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:47:08,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:47:08,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:47:08,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:47:08,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:47:08,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:47:08,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:47:08,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:47:08,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:47:08,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:47:08,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:47:08,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:47:08,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:47:08,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:47:08,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:47:08,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:47:08,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:47:08,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:47:08,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:47:08,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:47:08,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:47:08,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:47:08,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:47:08,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:47:08,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:47:08,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:47:08,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:47:08,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:47:08,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:47:08,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:47:08,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:47:08,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:47:08,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:47:08,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:47:08,674 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:47:08,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:47:08,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:47:08,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:47:08,676 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:47:08,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:47:08,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:47:08,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:47:08,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:47:08,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:47:08,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:47:08,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:47:08,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:47:08,679 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:47:08,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:47:08,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:47:08,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:47:08,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:47:08,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:47:08,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:47:08,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:47:08,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:47:08,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:47:08,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:47:08,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:47:08,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:47:08,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:47:08,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:47:08,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:47:08,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:47:09,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:47:09,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:47:09,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:47:09,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:47:09,020 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:47:09,020 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-14 21:47:09,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e78bfcc7/726afe63e68d4930bd68ead9b661de3e/FLAGac50117d1 [2020-10-14 21:47:09,705 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:47:09,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2020-10-14 21:47:09,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e78bfcc7/726afe63e68d4930bd68ead9b661de3e/FLAGac50117d1 [2020-10-14 21:47:09,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e78bfcc7/726afe63e68d4930bd68ead9b661de3e [2020-10-14 21:47:09,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:47:09,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:47:09,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:47:09,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:47:09,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:47:09,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:47:09" (1/1) ... [2020-10-14 21:47:09,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83bebeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:09, skipping insertion in model container [2020-10-14 21:47:09,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:47:09" (1/1) ... [2020-10-14 21:47:09,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:47:09,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:47:10,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:47:10,632 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:47:10,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:47:10,792 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:47:10,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10 WrapperNode [2020-10-14 21:47:10,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:47:10,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:47:10,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:47:10,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:47:10,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... [2020-10-14 21:47:10,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:47:10,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:47:10,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:47:10,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:47:10,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:47:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:47:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:47:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:47:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:47:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:47:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:47:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:47:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:47:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:47:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:47:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:47:12,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:47:12,482 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:47:12,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:47:12 BoogieIcfgContainer [2020-10-14 21:47:12,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:47:12,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:47:12,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:47:12,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:47:12,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:47:09" (1/3) ... [2020-10-14 21:47:12,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5447f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:47:12, skipping insertion in model container [2020-10-14 21:47:12,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:47:10" (2/3) ... [2020-10-14 21:47:12,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5447f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:47:12, skipping insertion in model container [2020-10-14 21:47:12,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:47:12" (3/3) ... [2020-10-14 21:47:12,498 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label42.c [2020-10-14 21:47:12,511 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:47:12,521 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:47:12,539 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:47:12,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:47:12,569 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:47:12,569 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:47:12,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:47:12,570 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:47:12,570 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:47:12,570 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:47:12,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:47:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:47:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 21:47:12,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:12,606 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] [2020-10-14 21:47:12,606 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:12,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:12,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1174892051, now seen corresponding path program 1 times [2020-10-14 21:47:12,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:12,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136056330] [2020-10-14 21:47:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 21:47:13,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-14 21:47:13,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:47:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:47:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 21:47:13,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 21:47:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:13,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 21:47:13,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:47:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:47:13,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136056330] [2020-10-14 21:47:13,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:47:13,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:47:13,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078951248] [2020-10-14 21:47:13,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:47:13,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:13,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:47:13,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:47:13,398 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:47:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:15,140 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 21:47:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:47:15,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-14 21:47:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:15,159 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:47:15,160 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:47:15,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:47:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:47:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:47:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:47:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 21:47:15,246 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 48 [2020-10-14 21:47:15,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:15,247 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 21:47:15,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:47:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 21:47:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 21:47:15,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:15,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:15,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:47:15,254 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:15,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1760405091, now seen corresponding path program 1 times [2020-10-14 21:47:15,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:15,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777398284] [2020-10-14 21:47:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:16,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:47:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:47:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-10-14 21:47:16,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:16,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:47:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:47:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:47:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:47:16,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:16,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:16,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:16,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:47:16,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:16,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:16,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:47:16,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:16,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:47:16,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:47:16,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:16,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:16,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:16,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:16,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:47:16,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:47:16,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777398284] [2020-10-14 21:47:16,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:47:16,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:47:16,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007811617] [2020-10-14 21:47:16,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:16,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:16,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:16,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:16,842 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 7 states. [2020-10-14 21:47:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:18,800 INFO L93 Difference]: Finished difference Result 1140 states and 1706 transitions. [2020-10-14 21:47:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:47:18,801 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-10-14 21:47:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:18,808 INFO L225 Difference]: With dead ends: 1140 [2020-10-14 21:47:18,808 INFO L226 Difference]: Without dead ends: 770 [2020-10-14 21:47:18,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-10-14 21:47:18,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 752. [2020-10-14 21:47:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-10-14 21:47:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1048 transitions. [2020-10-14 21:47:18,866 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1048 transitions. Word has length 117 [2020-10-14 21:47:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:18,867 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 1048 transitions. [2020-10-14 21:47:18,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1048 transitions. [2020-10-14 21:47:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 21:47:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:18,873 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:18,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:47:18,873 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:18,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1396713334, now seen corresponding path program 1 times [2020-10-14 21:47:18,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:18,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758938389] [2020-10-14 21:47:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:18,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:21,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 21:47:22,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3398 [2020-10-14 21:47:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:47:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:47:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:47:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:22,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:22,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:47:22,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:22,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:47:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:47:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:22,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:47:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:47:22,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:47:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-14 21:47:22,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:47:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 145 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:47:23,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758938389] [2020-10-14 21:47:23,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:23,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:47:23,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887180563] [2020-10-14 21:47:23,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:47:23,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:23,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:47:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:47:23,020 INFO L87 Difference]: Start difference. First operand 752 states and 1048 transitions. Second operand 6 states. [2020-10-14 21:47:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:24,598 INFO L93 Difference]: Finished difference Result 1890 states and 2713 transitions. [2020-10-14 21:47:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 21:47:24,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-10-14 21:47:24,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:24,620 INFO L225 Difference]: With dead ends: 1890 [2020-10-14 21:47:24,620 INFO L226 Difference]: Without dead ends: 1144 [2020-10-14 21:47:24,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-14 21:47:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 944. [2020-10-14 21:47:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-10-14 21:47:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1253 transitions. [2020-10-14 21:47:24,699 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1253 transitions. Word has length 199 [2020-10-14 21:47:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:24,704 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1253 transitions. [2020-10-14 21:47:24,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:47:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1253 transitions. [2020-10-14 21:47:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 21:47:24,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:24,710 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:24,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:47:24,718 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:24,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:24,719 INFO L82 PathProgramCache]: Analyzing trace with hash -489792702, now seen corresponding path program 1 times [2020-10-14 21:47:24,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:24,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644438839] [2020-10-14 21:47:24,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:25,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:28,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 21:47:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3686 [2020-10-14 21:47:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:28,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:47:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:47:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:28,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:28,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:28,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:28,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:28,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:28,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:47:28,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:47:28,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:28,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:47:28,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:47:28,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:47:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:28,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:28,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:28,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:47:28,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:47:28,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:28,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:47:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:47:28,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644438839] [2020-10-14 21:47:28,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:28,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:47:28,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563488180] [2020-10-14 21:47:28,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:47:28,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:28,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:47:28,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:47:28,951 INFO L87 Difference]: Start difference. First operand 944 states and 1253 transitions. Second operand 8 states. [2020-10-14 21:47:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:31,180 INFO L93 Difference]: Finished difference Result 2156 states and 2996 transitions. [2020-10-14 21:47:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:47:31,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-10-14 21:47:31,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:31,189 INFO L225 Difference]: With dead ends: 2156 [2020-10-14 21:47:31,189 INFO L226 Difference]: Without dead ends: 1026 [2020-10-14 21:47:31,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:47:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-10-14 21:47:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 948. [2020-10-14 21:47:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-10-14 21:47:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1250 transitions. [2020-10-14 21:47:31,236 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1250 transitions. Word has length 203 [2020-10-14 21:47:31,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:31,236 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1250 transitions. [2020-10-14 21:47:31,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:47:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1250 transitions. [2020-10-14 21:47:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 21:47:31,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:31,240 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:31,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:47:31,240 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:31,241 INFO L82 PathProgramCache]: Analyzing trace with hash -832836897, now seen corresponding path program 1 times [2020-10-14 21:47:31,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:31,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741840612] [2020-10-14 21:47:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:34,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:36,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:36,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 21:47:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 21:47:36,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:36,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:36,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:47:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:47:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:47:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:36,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:36,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:36,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:36,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:36,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:36,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:36,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:36,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:36,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:47:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:47:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:36,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:47:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:36,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:47:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:36,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:36,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:47:36,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:36,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:47:36,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:36,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:47:36,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:47:36,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741840612] [2020-10-14 21:47:36,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:36,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:36,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280320575] [2020-10-14 21:47:36,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:36,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:36,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:36,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:36,653 INFO L87 Difference]: Start difference. First operand 948 states and 1250 transitions. Second operand 7 states. [2020-10-14 21:47:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:38,832 INFO L93 Difference]: Finished difference Result 2460 states and 3216 transitions. [2020-10-14 21:47:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:47:38,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-10-14 21:47:38,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:38,840 INFO L225 Difference]: With dead ends: 2460 [2020-10-14 21:47:38,840 INFO L226 Difference]: Without dead ends: 1326 [2020-10-14 21:47:38,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:47:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-14 21:47:38,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1312. [2020-10-14 21:47:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1312 states. [2020-10-14 21:47:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1464 transitions. [2020-10-14 21:47:38,880 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1464 transitions. Word has length 204 [2020-10-14 21:47:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:38,881 INFO L479 AbstractCegarLoop]: Abstraction has 1312 states and 1464 transitions. [2020-10-14 21:47:38,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1464 transitions. [2020-10-14 21:47:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-14 21:47:38,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:38,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:38,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:47:38,888 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:38,889 INFO L82 PathProgramCache]: Analyzing trace with hash -321939026, now seen corresponding path program 1 times [2020-10-14 21:47:38,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:38,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098119190] [2020-10-14 21:47:38,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:39,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-14 21:47:43,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 21:47:43,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:47:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:47:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-14 21:47:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:44,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:44,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:44,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:44,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:47:44,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:44,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:47:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:47:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:44,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:44,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:44,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:44,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 21:47:44,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:44,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-14 21:47:44,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098119190] [2020-10-14 21:47:44,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:44,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:47:44,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114594717] [2020-10-14 21:47:44,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:44,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:44,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:44,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:44,807 INFO L87 Difference]: Start difference. First operand 1312 states and 1464 transitions. Second operand 7 states. [2020-10-14 21:47:46,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:46,319 INFO L93 Difference]: Finished difference Result 3012 states and 3356 transitions. [2020-10-14 21:47:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:46,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-10-14 21:47:46,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:46,330 INFO L225 Difference]: With dead ends: 3012 [2020-10-14 21:47:46,331 INFO L226 Difference]: Without dead ends: 1706 [2020-10-14 21:47:46,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:47:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-14 21:47:46,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1684. [2020-10-14 21:47:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-10-14 21:47:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 1852 transitions. [2020-10-14 21:47:46,376 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 1852 transitions. Word has length 337 [2020-10-14 21:47:46,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:46,377 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 1852 transitions. [2020-10-14 21:47:46,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1852 transitions. [2020-10-14 21:47:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 21:47:46,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:46,384 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:46,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:47:46,384 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:46,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:46,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2100227369, now seen corresponding path program 1 times [2020-10-14 21:47:46,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:46,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034378637] [2020-10-14 21:47:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:46,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-14 21:47:51,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 21:47:51,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:47:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:47:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:51,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:51,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:47:51,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:47:51,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:47:51,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:47:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:47:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:51,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 21:47:51,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:47:52,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034378637] [2020-10-14 21:47:52,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:52,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:47:52,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006860314] [2020-10-14 21:47:52,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:47:52,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:52,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:47:52,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:47:52,312 INFO L87 Difference]: Start difference. First operand 1684 states and 1852 transitions. Second operand 8 states. [2020-10-14 21:47:54,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:54,558 INFO L93 Difference]: Finished difference Result 3942 states and 4408 transitions. [2020-10-14 21:47:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:47:54,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 360 [2020-10-14 21:47:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:54,578 INFO L225 Difference]: With dead ends: 3942 [2020-10-14 21:47:54,578 INFO L226 Difference]: Without dead ends: 2446 [2020-10-14 21:47:54,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:47:54,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-10-14 21:47:54,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2256. [2020-10-14 21:47:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2020-10-14 21:47:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2488 transitions. [2020-10-14 21:47:54,649 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2488 transitions. Word has length 360 [2020-10-14 21:47:54,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:54,650 INFO L479 AbstractCegarLoop]: Abstraction has 2256 states and 2488 transitions. [2020-10-14 21:47:54,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:47:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2488 transitions. [2020-10-14 21:47:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-10-14 21:47:54,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:54,664 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:54,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:47:54,664 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:54,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1695047559, now seen corresponding path program 1 times [2020-10-14 21:47:54,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:54,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208375553] [2020-10-14 21:47:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:54,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:55,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:55,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 551 [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:47:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:59,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:59,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:59,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:59,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:59,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:59,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:59,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:59,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:59,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:59,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:47:59,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:47:59,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:59,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:47:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:47:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:59,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:00,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:48:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:00,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:48:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:00,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 257 proven. 176 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-10-14 21:48:00,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208375553] [2020-10-14 21:48:00,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:00,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:00,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724402771] [2020-10-14 21:48:00,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:00,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:00,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:00,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:00,559 INFO L87 Difference]: Start difference. First operand 2256 states and 2488 transitions. Second operand 7 states. [2020-10-14 21:48:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:02,336 INFO L93 Difference]: Finished difference Result 4710 states and 5239 transitions. [2020-10-14 21:48:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:48:02,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 537 [2020-10-14 21:48:02,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:02,347 INFO L225 Difference]: With dead ends: 4710 [2020-10-14 21:48:02,348 INFO L226 Difference]: Without dead ends: 2634 [2020-10-14 21:48:02,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2020-10-14 21:48:02,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2442. [2020-10-14 21:48:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2442 states. [2020-10-14 21:48:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 2674 transitions. [2020-10-14 21:48:02,404 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 2674 transitions. Word has length 537 [2020-10-14 21:48:02,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:02,405 INFO L479 AbstractCegarLoop]: Abstraction has 2442 states and 2674 transitions. [2020-10-14 21:48:02,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2674 transitions. [2020-10-14 21:48:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2020-10-14 21:48:02,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:02,411 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:02,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:48:02,412 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:02,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1475036738, now seen corresponding path program 1 times [2020-10-14 21:48:02,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:02,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308422530] [2020-10-14 21:48:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:02,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:02,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 579 [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:48:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:48:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-14 21:48:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:07,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:07,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:07,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:07,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:07,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:07,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:48:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:48:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:07,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:08,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:08,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:08,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:48:08,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:08,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 707 proven. 6 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 21:48:08,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308422530] [2020-10-14 21:48:08,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:08,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:48:08,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584964864] [2020-10-14 21:48:08,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:48:08,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:08,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:48:08,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:48:08,243 INFO L87 Difference]: Start difference. First operand 2442 states and 2674 transitions. Second operand 8 states. [2020-10-14 21:48:09,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:09,751 INFO L93 Difference]: Finished difference Result 5818 states and 6469 transitions. [2020-10-14 21:48:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:48:09,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 563 [2020-10-14 21:48:09,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:09,766 INFO L225 Difference]: With dead ends: 5818 [2020-10-14 21:48:09,766 INFO L226 Difference]: Without dead ends: 3748 [2020-10-14 21:48:09,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:48:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3748 states. [2020-10-14 21:48:09,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3748 to 3556. [2020-10-14 21:48:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3556 states. [2020-10-14 21:48:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 3889 transitions. [2020-10-14 21:48:09,842 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 3889 transitions. Word has length 563 [2020-10-14 21:48:09,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:09,843 INFO L479 AbstractCegarLoop]: Abstraction has 3556 states and 3889 transitions. [2020-10-14 21:48:09,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:48:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 3889 transitions. [2020-10-14 21:48:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2020-10-14 21:48:09,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:09,850 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:09,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:48:09,850 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:09,851 INFO L82 PathProgramCache]: Analyzing trace with hash 752713718, now seen corresponding path program 1 times [2020-10-14 21:48:09,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:09,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28629764] [2020-10-14 21:48:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:09,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:11,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:14,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:14,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 410 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:48:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:15,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:15,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:15,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:15,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:15,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:15,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:15,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:15,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:48:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:48:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:15,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:15,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 561 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-14 21:48:15,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28629764] [2020-10-14 21:48:15,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:15,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:15,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451961109] [2020-10-14 21:48:15,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:15,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:15,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:15,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:15,657 INFO L87 Difference]: Start difference. First operand 3556 states and 3889 transitions. Second operand 7 states. [2020-10-14 21:48:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:17,220 INFO L93 Difference]: Finished difference Result 8034 states and 8952 transitions. [2020-10-14 21:48:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:48:17,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 623 [2020-10-14 21:48:17,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:17,240 INFO L225 Difference]: With dead ends: 8034 [2020-10-14 21:48:17,240 INFO L226 Difference]: Without dead ends: 4850 [2020-10-14 21:48:17,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2020-10-14 21:48:17,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4482. [2020-10-14 21:48:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4482 states. [2020-10-14 21:48:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 5013 transitions. [2020-10-14 21:48:17,339 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 5013 transitions. Word has length 623 [2020-10-14 21:48:17,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:17,340 INFO L479 AbstractCegarLoop]: Abstraction has 4482 states and 5013 transitions. [2020-10-14 21:48:17,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 5013 transitions. [2020-10-14 21:48:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2020-10-14 21:48:17,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:17,348 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:17,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:48:17,349 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1312775649, now seen corresponding path program 1 times [2020-10-14 21:48:17,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:17,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831183129] [2020-10-14 21:48:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:17,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:21,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:21,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 717 [2020-10-14 21:48:21,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4552 [2020-10-14 21:48:21,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:21,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:48:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:22,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:48:22,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:48:22,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:48:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:48:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:22,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:48:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:22,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:22,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:22,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:22,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 439 proven. 249 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2020-10-14 21:48:23,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831183129] [2020-10-14 21:48:23,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:23,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:48:23,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954099629] [2020-10-14 21:48:23,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:48:23,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:23,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:48:23,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:48:23,316 INFO L87 Difference]: Start difference. First operand 4482 states and 5013 transitions. Second operand 8 states. [2020-10-14 21:48:25,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:25,183 INFO L93 Difference]: Finished difference Result 8958 states and 10046 transitions. [2020-10-14 21:48:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:48:25,183 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 699 [2020-10-14 21:48:25,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:25,199 INFO L225 Difference]: With dead ends: 8958 [2020-10-14 21:48:25,200 INFO L226 Difference]: Without dead ends: 4292 [2020-10-14 21:48:25,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2020-10-14 21:48:25,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4290. [2020-10-14 21:48:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4290 states. [2020-10-14 21:48:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4290 states to 4290 states and 4687 transitions. [2020-10-14 21:48:25,290 INFO L78 Accepts]: Start accepts. Automaton has 4290 states and 4687 transitions. Word has length 699 [2020-10-14 21:48:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:25,291 INFO L479 AbstractCegarLoop]: Abstraction has 4290 states and 4687 transitions. [2020-10-14 21:48:25,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:48:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 4687 transitions. [2020-10-14 21:48:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2020-10-14 21:48:25,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:25,299 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:25,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:48:25,300 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:25,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:25,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1090525998, now seen corresponding path program 1 times [2020-10-14 21:48:25,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:25,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488455504] [2020-10-14 21:48:25,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:25,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 740 [2020-10-14 21:48:28,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3515 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:48:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:29,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:29,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:48:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:48:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:48:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:29,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:29,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:29,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:29,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:48:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:29,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 703 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 21:48:29,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488455504] [2020-10-14 21:48:29,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:29,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:29,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673243937] [2020-10-14 21:48:29,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:29,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:29,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:29,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:29,722 INFO L87 Difference]: Start difference. First operand 4290 states and 4687 transitions. Second operand 7 states. [2020-10-14 21:48:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:31,077 INFO L93 Difference]: Finished difference Result 8580 states and 9400 transitions. [2020-10-14 21:48:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:48:31,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 722 [2020-10-14 21:48:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:31,095 INFO L225 Difference]: With dead ends: 8580 [2020-10-14 21:48:31,095 INFO L226 Difference]: Without dead ends: 4662 [2020-10-14 21:48:31,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4662 states. [2020-10-14 21:48:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4662 to 4292. [2020-10-14 21:48:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4292 states. [2020-10-14 21:48:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 4692 transitions. [2020-10-14 21:48:31,187 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 4692 transitions. Word has length 722 [2020-10-14 21:48:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:31,188 INFO L479 AbstractCegarLoop]: Abstraction has 4292 states and 4692 transitions. [2020-10-14 21:48:31,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 4692 transitions. [2020-10-14 21:48:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2020-10-14 21:48:31,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:31,199 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:31,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:48:31,199 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:31,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:31,200 INFO L82 PathProgramCache]: Analyzing trace with hash -962172585, now seen corresponding path program 1 times [2020-10-14 21:48:31,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:31,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134066187] [2020-10-14 21:48:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 818 [2020-10-14 21:48:33,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:48:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1720 [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:48:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:33,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:33,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:48:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:48:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:48:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:48:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:48:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 569 proven. 75 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2020-10-14 21:48:33,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134066187] [2020-10-14 21:48:33,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:33,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:48:33,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357859551] [2020-10-14 21:48:33,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:48:33,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:33,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:48:33,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:48:33,987 INFO L87 Difference]: Start difference. First operand 4292 states and 4692 transitions. Second operand 8 states. [2020-10-14 21:48:35,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:35,718 INFO L93 Difference]: Finished difference Result 8958 states and 9922 transitions. [2020-10-14 21:48:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:48:35,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 798 [2020-10-14 21:48:35,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:35,733 INFO L225 Difference]: With dead ends: 8958 [2020-10-14 21:48:35,734 INFO L226 Difference]: Without dead ends: 5038 [2020-10-14 21:48:35,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:48:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5038 states. [2020-10-14 21:48:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5038 to 5032. [2020-10-14 21:48:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5032 states. [2020-10-14 21:48:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 5537 transitions. [2020-10-14 21:48:35,832 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 5537 transitions. Word has length 798 [2020-10-14 21:48:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:35,833 INFO L479 AbstractCegarLoop]: Abstraction has 5032 states and 5537 transitions. [2020-10-14 21:48:35,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:48:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 5537 transitions. [2020-10-14 21:48:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2020-10-14 21:48:35,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:35,847 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:35,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:48:35,848 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1370899562, now seen corresponding path program 1 times [2020-10-14 21:48:35,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:35,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550954491] [2020-10-14 21:48:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:36,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:40,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 910 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:48:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:48:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:41,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:48:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:48:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:41,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:48:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:48:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:48:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:48:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:48:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:41,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:48:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 21:48:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:48:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:48:41,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 21:48:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 653 proven. 325 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2020-10-14 21:48:42,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550954491] [2020-10-14 21:48:42,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:42,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:42,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863762897] [2020-10-14 21:48:42,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:42,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:42,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:42,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:42,034 INFO L87 Difference]: Start difference. First operand 5032 states and 5537 transitions. Second operand 7 states. [2020-10-14 21:48:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:43,362 INFO L93 Difference]: Finished difference Result 10424 states and 11490 transitions. [2020-10-14 21:48:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:48:43,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 888 [2020-10-14 21:48:43,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:43,389 INFO L225 Difference]: With dead ends: 10424 [2020-10-14 21:48:43,389 INFO L226 Difference]: Without dead ends: 5764 [2020-10-14 21:48:43,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2020-10-14 21:48:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5578. [2020-10-14 21:48:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5578 states. [2020-10-14 21:48:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 6108 transitions. [2020-10-14 21:48:43,484 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 6108 transitions. Word has length 888 [2020-10-14 21:48:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:43,485 INFO L479 AbstractCegarLoop]: Abstraction has 5578 states and 6108 transitions. [2020-10-14 21:48:43,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 6108 transitions. [2020-10-14 21:48:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2020-10-14 21:48:43,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:43,499 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:43,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:48:43,500 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:43,500 INFO L82 PathProgramCache]: Analyzing trace with hash -390154219, now seen corresponding path program 1 times [2020-10-14 21:48:43,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:43,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143892622] [2020-10-14 21:48:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:43,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:44,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1000 [2020-10-14 21:48:48,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-14 21:48:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:48,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:48,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:48,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:48,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:48,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:48,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:48,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:48:48,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:48,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:48,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:49,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:48:49,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:49,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:49,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:48:49,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:48:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:48:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2916 backedges. 1472 proven. 6 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2020-10-14 21:48:49,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143892622] [2020-10-14 21:48:49,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:49,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:48:49,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281599198] [2020-10-14 21:48:49,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:48:49,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:49,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:48:49,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:48:49,883 INFO L87 Difference]: Start difference. First operand 5578 states and 6108 transitions. Second operand 9 states. [2020-10-14 21:48:52,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:52,364 INFO L93 Difference]: Finished difference Result 12636 states and 13989 transitions. [2020-10-14 21:48:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 21:48:52,368 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 976 [2020-10-14 21:48:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:52,388 INFO L225 Difference]: With dead ends: 12636 [2020-10-14 21:48:52,388 INFO L226 Difference]: Without dead ends: 7248 [2020-10-14 21:48:52,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-14 21:48:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7248 states. [2020-10-14 21:48:52,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7248 to 6870. [2020-10-14 21:48:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6870 states. [2020-10-14 21:48:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6870 states to 6870 states and 7635 transitions. [2020-10-14 21:48:52,527 INFO L78 Accepts]: Start accepts. Automaton has 6870 states and 7635 transitions. Word has length 976 [2020-10-14 21:48:52,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:52,529 INFO L479 AbstractCegarLoop]: Abstraction has 6870 states and 7635 transitions. [2020-10-14 21:48:52,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:48:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 6870 states and 7635 transitions. [2020-10-14 21:48:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2020-10-14 21:48:52,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:52,551 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:52,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:48:52,551 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:52,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:52,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1011107431, now seen corresponding path program 1 times [2020-10-14 21:48:52,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:52,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084854179] [2020-10-14 21:48:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:52,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:53,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:57,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:57,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1153 [2020-10-14 21:48:57,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-14 21:48:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:57,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:57,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:48:57,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:57,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:58,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:48:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:58,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:58,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:48:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:48:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:48:58,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:48:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:58,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:58,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:48:58,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:48:58,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:58,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:48:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2360 proven. 222 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-10-14 21:49:00,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084854179] [2020-10-14 21:49:00,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:00,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:49:00,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006434142] [2020-10-14 21:49:00,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:49:00,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:00,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:49:00,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:49:00,370 INFO L87 Difference]: Start difference. First operand 6870 states and 7635 transitions. Second operand 11 states. [2020-10-14 21:49:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:03,051 INFO L93 Difference]: Finished difference Result 13752 states and 15302 transitions. [2020-10-14 21:49:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:49:03,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1127 [2020-10-14 21:49:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:03,083 INFO L225 Difference]: With dead ends: 13752 [2020-10-14 21:49:03,084 INFO L226 Difference]: Without dead ends: 7072 [2020-10-14 21:49:03,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:49:03,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7072 states. [2020-10-14 21:49:03,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7072 to 6868. [2020-10-14 21:49:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6868 states. [2020-10-14 21:49:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 7630 transitions. [2020-10-14 21:49:03,234 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 7630 transitions. Word has length 1127 [2020-10-14 21:49:03,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:03,236 INFO L479 AbstractCegarLoop]: Abstraction has 6868 states and 7630 transitions. [2020-10-14 21:49:03,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:49:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 7630 transitions. [2020-10-14 21:49:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1268 [2020-10-14 21:49:03,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:03,264 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:03,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:49:03,264 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:03,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1587241264, now seen corresponding path program 1 times [2020-10-14 21:49:03,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:03,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739205244] [2020-10-14 21:49:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:03,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1295 [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:49:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:49:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:49:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:08,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:08,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:08,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:08,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:49:08,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:08,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:49:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:08,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:09,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:49:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:09,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:09,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:49:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 21:49:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:49:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:09,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:09,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:09,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5004 backedges. 1772 proven. 583 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2020-10-14 21:49:10,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739205244] [2020-10-14 21:49:10,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:10,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:49:10,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925085818] [2020-10-14 21:49:10,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:49:10,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:10,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:49:10,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:49:10,739 INFO L87 Difference]: Start difference. First operand 6868 states and 7630 transitions. Second operand 11 states. [2020-10-14 21:49:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:13,752 INFO L93 Difference]: Finished difference Result 13576 states and 15096 transitions. [2020-10-14 21:49:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 21:49:13,757 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1267 [2020-10-14 21:49:13,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:13,774 INFO L225 Difference]: With dead ends: 13576 [2020-10-14 21:49:13,774 INFO L226 Difference]: Without dead ends: 6898 [2020-10-14 21:49:13,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2020-10-14 21:49:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2020-10-14 21:49:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 6878. [2020-10-14 21:49:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6878 states. [2020-10-14 21:49:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6878 states to 6878 states and 7633 transitions. [2020-10-14 21:49:13,898 INFO L78 Accepts]: Start accepts. Automaton has 6878 states and 7633 transitions. Word has length 1267 [2020-10-14 21:49:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:13,899 INFO L479 AbstractCegarLoop]: Abstraction has 6878 states and 7633 transitions. [2020-10-14 21:49:13,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:49:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6878 states and 7633 transitions. [2020-10-14 21:49:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1386 [2020-10-14 21:49:13,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:13,925 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:13,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:49:13,926 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:13,927 INFO L82 PathProgramCache]: Analyzing trace with hash 2128189971, now seen corresponding path program 2 times [2020-10-14 21:49:13,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:13,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321571054] [2020-10-14 21:49:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1415 [2020-10-14 21:49:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:49:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:49:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:19,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:49:19,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:19,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:49:19,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:19,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:49:19,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:19,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:49:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:19,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:49:19,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:20,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:20,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:20,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:20,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:49:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:49:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:20,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:20,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 21:49:20,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:49:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:20,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:49:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-14 21:49:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:49:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:49:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:21,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:21,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:49:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6122 backedges. 2354 proven. 6 refuted. 0 times theorem prover too weak. 3762 trivial. 0 not checked. [2020-10-14 21:49:22,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321571054] [2020-10-14 21:49:22,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:22,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:49:22,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255077790] [2020-10-14 21:49:22,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:49:22,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:22,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:49:22,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:49:22,087 INFO L87 Difference]: Start difference. First operand 6878 states and 7633 transitions. Second operand 7 states. [2020-10-14 21:49:24,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:24,285 INFO L93 Difference]: Finished difference Result 14678 states and 16318 transitions. [2020-10-14 21:49:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:49:24,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1385 [2020-10-14 21:49:24,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:24,301 INFO L225 Difference]: With dead ends: 14678 [2020-10-14 21:49:24,301 INFO L226 Difference]: Without dead ends: 7806 [2020-10-14 21:49:24,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:49:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2020-10-14 21:49:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 7612. [2020-10-14 21:49:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7612 states. [2020-10-14 21:49:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7612 states to 7612 states and 8355 transitions. [2020-10-14 21:49:24,433 INFO L78 Accepts]: Start accepts. Automaton has 7612 states and 8355 transitions. Word has length 1385 [2020-10-14 21:49:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:24,434 INFO L479 AbstractCegarLoop]: Abstraction has 7612 states and 8355 transitions. [2020-10-14 21:49:24,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:49:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7612 states and 8355 transitions. [2020-10-14 21:49:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1449 [2020-10-14 21:49:24,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:24,459 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:24,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:49:24,459 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:24,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:24,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1425232440, now seen corresponding path program 1 times [2020-10-14 21:49:24,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:24,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411504786] [2020-10-14 21:49:24,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:25,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1478 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:49:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 21:49:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:26,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:49:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:49:26,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:26,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:49:26,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:26,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:49:26,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:49:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:26,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:26,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:26,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:26,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:26,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:49:26,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:26,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:27,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:27,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:49:27,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:49:27,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:27,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:27,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:27,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:49:27,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:27,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:27,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:49:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6258 backedges. 470 proven. 11 refuted. 0 times theorem prover too weak. 5777 trivial. 0 not checked. [2020-10-14 21:49:28,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411504786] [2020-10-14 21:49:28,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:28,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:49:28,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387523121] [2020-10-14 21:49:28,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:49:28,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:28,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:49:28,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:49:28,207 INFO L87 Difference]: Start difference. First operand 7612 states and 8355 transitions. Second operand 5 states. [2020-10-14 21:49:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:29,363 INFO L93 Difference]: Finished difference Result 15774 states and 17421 transitions. [2020-10-14 21:49:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:49:29,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1448 [2020-10-14 21:49:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:29,384 INFO L225 Difference]: With dead ends: 15774 [2020-10-14 21:49:29,384 INFO L226 Difference]: Without dead ends: 8352 [2020-10-14 21:49:29,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:49:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2020-10-14 21:49:29,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 8168. [2020-10-14 21:49:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8168 states. [2020-10-14 21:49:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8168 states to 8168 states and 8972 transitions. [2020-10-14 21:49:29,539 INFO L78 Accepts]: Start accepts. Automaton has 8168 states and 8972 transitions. Word has length 1448 [2020-10-14 21:49:29,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:29,541 INFO L479 AbstractCegarLoop]: Abstraction has 8168 states and 8972 transitions. [2020-10-14 21:49:29,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:49:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8168 states and 8972 transitions. [2020-10-14 21:49:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2020-10-14 21:49:29,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:29,573 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:29,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:49:29,574 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:29,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:29,574 INFO L82 PathProgramCache]: Analyzing trace with hash -796915569, now seen corresponding path program 1 times [2020-10-14 21:49:29,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:29,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713085607] [2020-10-14 21:49:29,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:30,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:32,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:34,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:34,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1572 [2020-10-14 21:49:34,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5117 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:49:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:35,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:35,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:49:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:49:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:35,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:49:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:35,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:49:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 21:49:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7284 backedges. 1494 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:49:36,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713085607] [2020-10-14 21:49:36,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:36,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:49:36,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846946094] [2020-10-14 21:49:36,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:49:36,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:36,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:49:36,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:49:36,881 INFO L87 Difference]: Start difference. First operand 8168 states and 8972 transitions. Second operand 8 states. [2020-10-14 21:49:38,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:38,777 INFO L93 Difference]: Finished difference Result 16308 states and 18033 transitions. [2020-10-14 21:49:38,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:49:38,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1540 [2020-10-14 21:49:38,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:38,787 INFO L225 Difference]: With dead ends: 16308 [2020-10-14 21:49:38,787 INFO L226 Difference]: Without dead ends: 5558 [2020-10-14 21:49:38,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:49:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5558 states. [2020-10-14 21:49:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5558 to 4820. [2020-10-14 21:49:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4820 states. [2020-10-14 21:49:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 5067 transitions. [2020-10-14 21:49:38,872 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 5067 transitions. Word has length 1540 [2020-10-14 21:49:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:38,874 INFO L479 AbstractCegarLoop]: Abstraction has 4820 states and 5067 transitions. [2020-10-14 21:49:38,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:49:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 5067 transitions. [2020-10-14 21:49:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1593 [2020-10-14 21:49:38,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:38,917 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:38,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:49:38,917 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2017164889, now seen corresponding path program 1 times [2020-10-14 21:49:38,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:38,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096968168] [2020-10-14 21:49:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:41,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1624 [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4772 [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:49:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 21:49:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:44,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:44,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:49:44,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:44,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:49:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:49:44,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:44,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:49:44,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:44,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:44,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:49:44,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:49:44,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:44,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:49:44,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:44,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:44,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:44,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:49:44,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:49:44,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:44,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:49:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:49:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:44,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:45,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:45,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:49:45,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:49:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7601 backedges. 1799 proven. 2 refuted. 0 times theorem prover too weak. 5800 trivial. 0 not checked. [2020-10-14 21:49:46,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096968168] [2020-10-14 21:49:46,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:46,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:49:46,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371576296] [2020-10-14 21:49:46,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:49:46,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:46,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:49:46,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:49:46,383 INFO L87 Difference]: Start difference. First operand 4820 states and 5067 transitions. Second operand 7 states. [2020-10-14 21:49:47,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:47,597 INFO L93 Difference]: Finished difference Result 9456 states and 9949 transitions. [2020-10-14 21:49:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:49:47,597 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1592 [2020-10-14 21:49:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:47,606 INFO L225 Difference]: With dead ends: 9456 [2020-10-14 21:49:47,606 INFO L226 Difference]: Without dead ends: 4826 [2020-10-14 21:49:47,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:49:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-14 21:49:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4820. [2020-10-14 21:49:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4820 states. [2020-10-14 21:49:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 5061 transitions. [2020-10-14 21:49:47,674 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 5061 transitions. Word has length 1592 [2020-10-14 21:49:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:47,676 INFO L479 AbstractCegarLoop]: Abstraction has 4820 states and 5061 transitions. [2020-10-14 21:49:47,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:49:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 5061 transitions. [2020-10-14 21:49:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1626 [2020-10-14 21:49:47,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:47,714 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:47,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:49:47,715 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:47,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:47,716 INFO L82 PathProgramCache]: Analyzing trace with hash -862455096, now seen corresponding path program 1 times [2020-10-14 21:49:47,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:47,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352888351] [2020-10-14 21:49:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:48,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:52,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1657 [2020-10-14 21:49:52,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:49:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4856 [2020-10-14 21:49:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:53,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:49:53,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:53,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:49:53,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:53,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:49:53,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:53,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:53,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:53,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:49:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:53,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:49:53,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:49:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:49:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:53,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:53,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:53,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 21:49:53,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-14 21:49:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7700 backedges. 1845 proven. 51 refuted. 0 times theorem prover too weak. 5804 trivial. 0 not checked. [2020-10-14 21:49:55,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352888351] [2020-10-14 21:49:55,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:55,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:49:55,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343466486] [2020-10-14 21:49:55,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:49:55,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:55,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:49:55,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:49:55,065 INFO L87 Difference]: Start difference. First operand 4820 states and 5061 transitions. Second operand 6 states. [2020-10-14 21:49:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:56,286 INFO L93 Difference]: Finished difference Result 10396 states and 10960 transitions. [2020-10-14 21:49:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:49:56,287 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1625 [2020-10-14 21:49:56,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:56,298 INFO L225 Difference]: With dead ends: 10396 [2020-10-14 21:49:56,298 INFO L226 Difference]: Without dead ends: 5578 [2020-10-14 21:49:56,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:49:56,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5578 states. [2020-10-14 21:49:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5578 to 5004. [2020-10-14 21:49:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5004 states. [2020-10-14 21:49:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5004 states to 5004 states and 5192 transitions. [2020-10-14 21:49:56,367 INFO L78 Accepts]: Start accepts. Automaton has 5004 states and 5192 transitions. Word has length 1625 [2020-10-14 21:49:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:56,368 INFO L479 AbstractCegarLoop]: Abstraction has 5004 states and 5192 transitions. [2020-10-14 21:49:56,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:49:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5004 states and 5192 transitions. [2020-10-14 21:49:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1759 [2020-10-14 21:49:56,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:56,401 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 8, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:56,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:49:56,401 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1654835161, now seen corresponding path program 1 times [2020-10-14 21:49:56,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:56,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318769535] [2020-10-14 21:49:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:56,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:57,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:00,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:00,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:01,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:01,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1794 [2020-10-14 21:50:01,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:01,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 221 [2020-10-14 21:50:01,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:01,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:01,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:01,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:50:01,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:01,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:50:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:02,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:50:02,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:50:02,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:02,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:50:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:50:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:50:02,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:50:02,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:50:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:50:02,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:50:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:50:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:50:02,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:50:02,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:50:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:50:02,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:50:02,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:50:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:50:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:50:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:50:02,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:02,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:50:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:50:02,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:50:02,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:50:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:50:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 21:50:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 21:50:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:02,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:50:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:02,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2020-10-14 21:50:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:50:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2020-10-14 21:50:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:03,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 21:50:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9919 backedges. 2879 proven. 182 refuted. 0 times theorem prover too weak. 6858 trivial. 0 not checked. [2020-10-14 21:50:04,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318769535] [2020-10-14 21:50:04,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:04,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:04,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343966453] [2020-10-14 21:50:04,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:04,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:04,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:04,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:04,393 INFO L87 Difference]: Start difference. First operand 5004 states and 5192 transitions. Second operand 7 states. [2020-10-14 21:50:06,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:06,463 INFO L93 Difference]: Finished difference Result 10188 states and 10574 transitions. [2020-10-14 21:50:06,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:50:06,464 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1758 [2020-10-14 21:50:06,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:06,474 INFO L225 Difference]: With dead ends: 10188 [2020-10-14 21:50:06,474 INFO L226 Difference]: Without dead ends: 5190 [2020-10-14 21:50:06,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:50:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5190 states. [2020-10-14 21:50:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5190 to 5002. [2020-10-14 21:50:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5002 states. [2020-10-14 21:50:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5002 states to 5002 states and 5189 transitions. [2020-10-14 21:50:06,553 INFO L78 Accepts]: Start accepts. Automaton has 5002 states and 5189 transitions. Word has length 1758 [2020-10-14 21:50:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:06,554 INFO L479 AbstractCegarLoop]: Abstraction has 5002 states and 5189 transitions. [2020-10-14 21:50:06,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5189 transitions. [2020-10-14 21:50:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1795 [2020-10-14 21:50:06,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:06,592 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:06,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:50:06,593 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:06,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:06,594 INFO L82 PathProgramCache]: Analyzing trace with hash 948157711, now seen corresponding path program 1 times [2020-10-14 21:50:06,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:06,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234767022] [2020-10-14 21:50:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:09,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1830 [2020-10-14 21:50:09,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3039 [2020-10-14 21:50:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:09,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1782 [2020-10-14 21:50:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 21:50:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:50:10,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:10,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:50:10,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:50:10,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:50:10,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:50:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:50:10,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:50:10,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:50:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:50:10,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:50:10,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:50:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:50:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:50:10,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:50:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:50:10,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:50:10,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:50:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:50:10,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:50:10,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:50:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:10,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:50:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:50:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:10,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:50:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:11,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:50:11,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:50:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:11,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:11,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:50:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:11,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:11,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:50:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:11,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:11,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:50:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:11,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:50:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:50:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:50:11,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:11,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:50:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10143 backedges. 599 proven. 14 refuted. 0 times theorem prover too weak. 9530 trivial. 0 not checked. [2020-10-14 21:50:12,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234767022] [2020-10-14 21:50:12,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:12,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:50:12,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610056644] [2020-10-14 21:50:12,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:50:12,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:50:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:50:12,645 INFO L87 Difference]: Start difference. First operand 5002 states and 5189 transitions. Second operand 5 states. [2020-10-14 21:50:13,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:13,721 INFO L93 Difference]: Finished difference Result 5188 states and 5375 transitions. [2020-10-14 21:50:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:50:13,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1794 [2020-10-14 21:50:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:13,730 INFO L225 Difference]: With dead ends: 5188 [2020-10-14 21:50:13,730 INFO L226 Difference]: Without dead ends: 5000 [2020-10-14 21:50:13,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:50:13,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2020-10-14 21:50:13,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4998. [2020-10-14 21:50:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4998 states. [2020-10-14 21:50:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 5177 transitions. [2020-10-14 21:50:13,784 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 5177 transitions. Word has length 1794 [2020-10-14 21:50:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:13,786 INFO L479 AbstractCegarLoop]: Abstraction has 4998 states and 5177 transitions. [2020-10-14 21:50:13,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:50:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 5177 transitions. [2020-10-14 21:50:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2136 [2020-10-14 21:50:13,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:13,820 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:13,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:50:13,820 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:13,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:13,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1494895316, now seen corresponding path program 1 times [2020-10-14 21:50:13,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:13,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004694485] [2020-10-14 21:50:13,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:15,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:17,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:18,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2175 [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 21:50:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 21:50:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1080 [2020-10-14 21:50:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:19,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:50:19,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:50:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:50:19,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:50:19,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:19,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:50:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:50:19,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:50:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:50:19,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:19,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:50:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:50:19,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:19,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:50:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:50:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:50:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:50:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:50:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 21:50:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:50:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:50:20,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:50:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:50:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:50:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:50:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:50:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:50:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:50:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:50:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:20,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:20,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:50:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:20,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1741 [2020-10-14 21:50:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:50:21,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:50:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:21,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:50:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1920 [2020-10-14 21:50:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:21,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-14 21:50:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:21,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13705 backedges. 2682 proven. 202 refuted. 0 times theorem prover too weak. 10821 trivial. 0 not checked. [2020-10-14 21:50:22,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004694485] [2020-10-14 21:50:22,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:22,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:22,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908949153] [2020-10-14 21:50:22,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:22,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:22,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:22,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:22,862 INFO L87 Difference]: Start difference. First operand 4998 states and 5177 transitions. Second operand 7 states. [2020-10-14 21:50:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:24,742 INFO L93 Difference]: Finished difference Result 8698 states and 8984 transitions. [2020-10-14 21:50:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:50:24,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 2135 [2020-10-14 21:50:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:24,744 INFO L225 Difference]: With dead ends: 8698 [2020-10-14 21:50:24,745 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:50:24,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:50:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:50:24,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:50:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:50:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:50:24,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2135 [2020-10-14 21:50:24,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:24,754 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:50:24,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:50:24,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:50:24,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 21:50:24,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:50:25,916 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 201 [2020-10-14 21:50:26,260 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 222 [2020-10-14 21:50:26,406 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 32 [2020-10-14 21:50:29,211 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 311 DAG size of output: 128 [2020-10-14 21:50:30,708 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 99 [2020-10-14 21:50:32,341 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 231 DAG size of output: 121 [2020-10-14 21:50:32,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,347 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,348 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:50:32,349 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:50:32,350 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:50:32,351 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,352 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:50:32,353 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:50:32,354 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:50:32,355 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:50:32,356 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:50:32,357 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:50:32,357 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:50:32,357 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:50:32,357 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse25 (= ~a15~0 8)) (.cse23 (= ~a24~0 |old(~a24~0)|)) (.cse24 (= ~a21~0 |old(~a21~0)|)) (.cse20 (= ~a24~0 1)) (.cse21 (= ~a12~0 |old(~a12~0)|)) (.cse22 (= ~a15~0 |old(~a15~0)|))) (let ((.cse2 (not (<= (+ |old(~a12~0)| 526767) 0))) (.cse10 (not (<= |old(~a24~0)| 1))) (.cse3 (not (<= |old(~a21~0)| 6))) (.cse4 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse19 (= 8 |old(~a21~0)|)) (.cse9 (not (<= |old(~a15~0)| 7))) (.cse6 (and .cse24 .cse20 .cse21 .cse22)) (.cse17 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse18 (not (<= |old(~a12~0)| 2))) (.cse1 (not (<= 10 |old(~a21~0)|))) (.cse13 (not (<= 80 |old(~a12~0)|))) (.cse16 (= 10 |old(~a21~0)|)) (.cse11 (and .cse23 .cse24 .cse21 .cse22)) (.cse5 (not (= 9 |old(~a15~0)|))) (.cse14 (= 6 |old(~a21~0)|)) (.cse15 (not (<= 19 |old(~a12~0)|))) (.cse0 (not (= |old(~a24~0)| 1))) (.cse7 (not (= 8 |old(~a15~0)|))) (.cse8 (and .cse24 .cse25 .cse20 .cse21)) (.cse12 (not (<= |old(~a21~0)| 8)))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse3 .cse4)) .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse12) (or .cse9 .cse1 .cse11) (or .cse1 .cse11 .cse5 .cse13) (or .cse9 .cse11 .cse12 .cse14) (or .cse15 .cse9 .cse16 .cse11 .cse14) (or .cse0 .cse5 .cse6 .cse17 .cse12 .cse18 .cse14) (or .cse0 (not .cse19) .cse5 (and .cse20 (= ~a21~0 8) .cse21 .cse22) .cse2) (or .cse15 .cse10 .cse11 .cse5 .cse12) (or .cse11 .cse7 (and (or .cse0 .cse1 (not (<= |old(~a12~0)| 10)) .cse17) (or .cse15 .cse10 .cse3))) (or .cse15 .cse16 .cse0 .cse7 .cse8 (not (<= |old(~a12~0)| 76))) (or .cse9 .cse16 (not (<= |old(~a15~0)| 6)) .cse11 .cse14) (or (and (= 5 ~a15~0) .cse23 .cse24 .cse21) .cse4 (not (= 5 |old(~a15~0)|))) (or .cse19 (not (= (+ |old(~a12~0)| 49) 0)) (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse25 .cse20 .cse21) .cse0 .cse7 (not (<= 7 |old(~a21~0)|)) .cse12) (or .cse0 .cse1 .cse6 .cse5 .cse17 .cse18) (or .cse0 .cse7 .cse17 .cse8 .cse18 .cse14) (or .cse9 .cse0 .cse6 .cse17 .cse18) (or .cse1 .cse7 (and .cse23 .cse24 .cse25 .cse21) .cse13) (or .cse15 .cse16 .cse11 .cse5 .cse14) (or .cse15 .cse0 (not (<= |old(~a12~0)| 73282)) .cse7 .cse8 .cse12)))) [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:50:32,358 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,359 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:50:32,360 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:50:32,361 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:50:32,362 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:50:32,363 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:50:32,364 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:50:32,365 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:50:32,366 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:50:32,367 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:50:32,368 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,369 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,370 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,371 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:50:32,372 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:50:32,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:50:32,374 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= ~a24~0 1) (= (+ ~a12~0 49) 0)) [2020-10-14 21:50:32,374 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:50:32,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:50:32,374 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (not (= (+ |old(~a12~0)| 49) 0)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8))) [2020-10-14 21:50:32,374 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:50:32,375 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (<= (+ ~a12~0 526767) 0)) (.cse15 (<= ~a21~0 6)) (.cse13 (<= ~a24~0 1)) (.cse6 (<= ~a15~0 7)) (.cse3 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 2)) (.cse7 (not (= ~a21~0 6))) (.cse14 (<= ~a21~0 8)) (.cse12 (<= (+ ~a12~0 43) 0)) (.cse10 (= ~a15~0 8)) (.cse9 (<= 80 ~a12~0)) (.cse5 (<= 10 ~a21~0)) (.cse1 (= ~a15~0 9)) (.cse11 (not (= ~a21~0 10))) (.cse0 (= ~a24~0 1)) (.cse8 (<= 19 ~a12~0)) (.cse16 (= ~a15~0 |old(~a15~0)|))) (or (and .cse0 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (= ~a21~0 8) .cse1 .cse2) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse3 .cse4 .cse0 .cse5 .cse1) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse5) (and .cse11 .cse7 .cse1 .cse8) (and (= 5 ~a15~0) .cse12) (and .cse3 .cse10 .cse4 .cse0 .cse7) (and .cse3 .cse6 .cse4 .cse0) (and .cse6 .cse13 .cse14) (and (or (and .cse5 .cse2) (and .cse12 .cse15)) .cse0 .cse1) (and .cse6 .cse7 (<= ~a15~0 6)) (and (or (and .cse13 .cse15 .cse8) (and .cse3 (<= ~a12~0 10) .cse0 .cse5)) .cse16) (and .cse13 .cse1 .cse8 .cse14) (and .cse6 .cse7 .cse14) (not (<= |old(~a21~0)| 7)) (and .cse0 (<= ~a12~0 73282) .cse8 .cse16 .cse14) (and .cse6 .cse5) (and (<= 7 ~a21~0) (<= ~a21~0 7) .cse10 .cse0 (= (+ ~a12~0 49) 0)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse3 .cse4 .cse0 .cse7 .cse1 .cse14) (and .cse12 .cse10 .cse0 .cse5) (not (<= 7 |old(~a21~0)|)) (and .cse9 .cse5 .cse1) (and .cse11 .cse0 .cse8 .cse16 (<= ~a12~0 76)))) [2020-10-14 21:50:32,375 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:50:32,375 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:50:32,375 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse12 (<= (+ ~a12~0 526767) 0)) (.cse15 (<= ~a21~0 6)) (.cse13 (<= ~a24~0 1)) (.cse5 (<= ~a15~0 7)) (.cse0 (<= 0 (+ ~a12~0 41))) (.cse1 (<= ~a12~0 2)) (.cse6 (not (= ~a21~0 6))) (.cse14 (<= ~a21~0 8)) (.cse11 (<= (+ ~a12~0 43) 0)) (.cse9 (= ~a15~0 8)) (.cse8 (<= 80 ~a12~0)) (.cse3 (<= 10 ~a21~0)) (.cse4 (= ~a15~0 9)) (.cse10 (not (= ~a21~0 10))) (.cse2 (= ~a24~0 1)) (.cse7 (<= 19 ~a12~0)) (.cse16 (= ~a15~0 |old(~a15~0)|))) (or (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse3) (and .cse10 .cse6 .cse4 .cse7) (and (= 5 ~a15~0) .cse11) (and .cse0 .cse9 .cse1 .cse2 .cse6) (and .cse2 (= ~a21~0 8) .cse12 .cse4) (and .cse0 .cse5 .cse1 .cse2) (and .cse5 .cse13 .cse14) (and (or (and .cse3 .cse12) (and .cse11 .cse15)) .cse2 .cse4) (and .cse5 .cse6 (<= ~a15~0 6)) (and (or (and .cse13 .cse15 .cse7) (and .cse0 (<= ~a12~0 10) .cse2 .cse3)) .cse16) (and .cse13 .cse4 .cse7 .cse14) (and .cse5 .cse6 .cse14) (not (<= |old(~a21~0)| 7)) (and .cse2 (<= ~a12~0 73282) .cse7 .cse16 .cse14) (and .cse5 .cse3) (and (<= 7 ~a21~0) (<= ~a21~0 7) .cse9 .cse2 (= (+ ~a12~0 49) 0)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse14) (and .cse11 .cse9 .cse2 .cse3) (not (<= 7 |old(~a21~0)|)) (and .cse8 .cse3 .cse4) (and .cse10 .cse2 .cse7 .cse16 (<= ~a12~0 76)))) [2020-10-14 21:50:32,375 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:50:32,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:50:32 BoogieIcfgContainer [2020-10-14 21:50:32,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:50:32,405 INFO L168 Benchmark]: Toolchain (without parser) took 202525.80 ms. Allocated memory was 147.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.8 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,406 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.51 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 169.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,407 INFO L168 Benchmark]: Boogie Preprocessor took 165.82 ms. Allocated memory is still 207.6 MB. Free memory was 169.5 MB in the beginning and 164.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,407 INFO L168 Benchmark]: RCFGBuilder took 1530.23 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 152.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,408 INFO L168 Benchmark]: TraceAbstraction took 199912.68 ms. Allocated memory was 237.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 152.5 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:50:32,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 911.51 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 100.4 MB in the beginning and 169.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.82 ms. Allocated memory is still 207.6 MB. Free memory was 169.5 MB in the beginning and 164.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1530.23 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 152.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 199912.68 ms. Allocated memory was 237.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 152.5 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(\old(a24) == 1) || !(8 == \old(a15))) || ((((0 <= a12 + 41 && a12 <= 2) && a24 == 1) && 10 <= a21) && a15 == 9)) || ((a15 <= 7 && !(a21 == 6)) && 19 <= a12)) || ((80 <= a12 && a15 == 8) && 10 <= a21)) || (((!(a21 == 10) && !(a21 == 6)) && a15 == 9) && 19 <= a12)) || (5 == a15 && a12 + 43 <= 0)) || ((((0 <= a12 + 41 && a15 == 8) && a12 <= 2) && a24 == 1) && !(a21 == 6))) || (((a24 == 1 && a21 == 8) && a12 + 526767 <= 0) && a15 == 9)) || (((0 <= a12 + 41 && a15 <= 7) && a12 <= 2) && a24 == 1)) || ((a15 <= 7 && a24 <= 1) && a21 <= 8)) || ((((10 <= a21 && a12 + 526767 <= 0) || (a12 + 43 <= 0 && a21 <= 6)) && a24 == 1) && a15 == 9)) || ((a15 <= 7 && !(a21 == 6)) && a15 <= 6)) || ((((a24 <= 1 && a21 <= 6) && 19 <= a12) || (((0 <= a12 + 41 && a12 <= 10) && a24 == 1) && 10 <= a21)) && a15 == \old(a15))) || (((a24 <= 1 && a15 == 9) && 19 <= a12) && a21 <= 8)) || ((a15 <= 7 && !(a21 == 6)) && a21 <= 8)) || !(\old(a21) <= 7)) || ((((a24 == 1 && a12 <= 73282) && 19 <= a12) && a15 == \old(a15)) && a21 <= 8)) || (a15 <= 7 && 10 <= a21)) || ((((7 <= a21 && a21 <= 7) && a15 == 8) && a24 == 1) && a12 + 49 == 0)) || !(\old(a12) + 49 == 0)) || (((((0 <= a12 + 41 && a12 <= 2) && a24 == 1) && !(a21 == 6)) && a15 == 9) && a21 <= 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && 10 <= a21)) || !(7 <= \old(a21))) || ((80 <= a12 && 10 <= a21) && a15 == 9)) || ((((!(a21 == 10) && a24 == 1) && 19 <= a12) && a15 == \old(a15)) && a12 <= 76) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 192.1s, OverallIterations: 25, TraceHistogramMax: 17, AutomataDifference: 46.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 711 SDtfs, 18235 SDslu, 977 SDs, 0 SdLazy, 29199 SolverSat, 2963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 782 GetRequests, 520 SyntacticMatches, 3 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8168occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 25 MinimizatonAttempts, 4330 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 537 PreInvPairs, 637 NumberOfFragments, 1492 HoareAnnotationTreeSize, 537 FomulaSimplifications, 333925 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12080 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 124.7s InterpolantComputationTime, 22945 NumberOfCodeBlocks, 22945 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 22920 ConstructedInterpolants, 0 QuantifiedInterpolants, 50300903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 88360/90488 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...